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All Seasons

Season 1

  • S01E01 Repairing a Window Screen; Saving the Rain; Looking for Headroom

    • October 10, 2002
    • PBS

    In the debut episode, Steve joined Richard, Roger and Tom in the Ask This Old House loft to give viewers a chance to ask questions and get expert advice about their homes. Tom shows Steve how to build a replacement window screen using inexpensive parts purchased from a home center. Roger demonstrates how an old barrel can be used to water a garden. Responding to a letter from a homeowner, Richard and Steve demonstrate how to fix and a leak in a 20-year-old dishwasher. Roger demonstrates the proper technique for sharpening lawn mower blades. Tom hits the road for the first House Call of the season, to a tall homeowner whose low ceiling threatens to knock him out on his way to the basement.

  • S01E02 Plumbing Toolkit; Park the Car Quietly; Safe Swinging

    • October 17, 2002
    • PBS

    At the Ask This Old House barn loft, Roger demonstrates different ways to mend a damaged garden hose. Richard shows the basic plumbing tools he recommends for homeowners. Tom explains how to use a square as a guide for cross-cutting with a circular saw. Tom then makes a House Call to homeowners struggling with a muddy lawn under the swings.

  • S01E03 Concrete Stoop Covering; Battling the Skeeters

    • October 24, 2002
    • PBS

    Tom visits homeowners in search of a modest way to hide an ugly back stoop. Back in the barn loft he shows the different adhesives and fasteners used, as well as more traditional types of decking. Steve and Roger demonstrate a new product that promises to rid backyards of mosquitoes. Richard shows the proper technique for installing a thermostat on an old radiator.

  • S01E04 Air Eliminator; Saving the Trim; Filling the Gaps

    • October 31, 2002
    • PBS

    Richard visits a homeowner and installs an air eliminator valve on her hydronic heating system, reducing the need for annual maintenance. At the Ask This Old House barn loft, Tom shows how to remove nails without damaging the trim on a door frame. Steve and Roger perform annual maintenance on a snow blower. Steve consults with Jim on ways to clean and maintain old paintbrushes. Tom makes a House Call to a young couple and shows them how to use sisal and jute rope to fill the gaps in their 160-year-old pine floor.

  • S01E05 Sanding Options; Digging Post Holes; Better Boiling

    • November 7, 2002
    • PBS

    Tom and Steve demonstrate two types of floor sanders: a traditional drum sander. Roger and Steve use manual and power tools to dig post holes for a new fence. Richard travels to a historic district in Pittsburgh, Pennsylvania, to replace a corroded pipe on a viewer's boiler. Back in the loft, Tom gives Steve a lesson in proper caulking technique.

  • S01E06 Ceiling Repair; Grinding the Stump; Shop Specs

    • November 14, 2002
    • PBS

    Tom visits a young couple and teaches them how to repair a cracked plaster ceiling in their condominium. In the workshop loft, Richard and Steve rebuild a toilet to prevent it from continuously filling. Roger uses a stump grinder to remove an old tree stump from a homeowner's front yard. Back in the loft, Tom replaces a broken pane of glass and reglazes a window sash.

  • S01E07 Jacking It Up; Chainsaw Smarts

    • November 21, 2002
    • PBS

    Tom works with a homeowner to repair a sagging floor in a three-family house. Together, they jack up the failing beam, pour new concrete footings, and install several new lally columns. Back at the barn, Roger works with chainsaw expert Tim Ard to sharpen and maintain his saws.

  • S01E08 Wooden Bung Holes; What Is It? Lattice Project

    • November 28, 2002
    • PBS

    In the workshop loft, Tom shows Steve how to cut wooden bung holes and install them in decking. Jim visits a viewer and shows her why the new paint in her bathroom is cracking and peeling. In the loft, Tom, Steve and Roger examine two unfamiliar objects and try to guess what they're used for. Tom makes a House Call and shows a young couple how to build an attractive outdoor lattice.

  • S01E09 Basement Window; Painting Panels; Weed Trimmers

    • December 5, 2002
    • PBS

    Tom hits the road on a House Call to replace a rotting basement window and install a new dryer vent for a homeowner. Back in the Ask This Old House loft, Jim shows the proper technique for painting a pre-hung six-panel door. Electrician Allen Gallant visits homeowners and installs a new power outlet in their dining room, and Roger shows Steve how to replace the string on a weed trimmer.

  • S01E10 Washer Repair; Pressure-Washed Brick; Drip-Free Faucet

    • December 12, 2002
    • PBS

    In the Ask This Old House loft, Richard and Steve take apart an old washing machine to determine why it's making a loud rumbling sound. Roger pays a visit to a homeowner and uses a pressure washer to clean off his slippery brick walkway. Back in the loft, Steve, Tom, Roger and Richard examine two unfamiliar objects and try to guess how they've used. Tom demonstrates different types of spirit levels, and Richard sets out to help a homeowner with a leaky kitchen faucet.

  • S01E11 Garden Pruners; Shutters; What Is It? A Tankless Job

    • December 19, 2002
    • PBS

    In the Ask This Old House loft, Roger and garden tool expert Paul Schneider discuss different types of hand pruners. Tom helps two homeowners repair and reinstall their broken shutters. Back in the loft, Steve, Tom, Roger and Richard examine two unfamiliar objects and try to guess how they're used. Richard shows Steve several models of instantaneous water heaters, then visit a local homeowner to examine his tankless hot water system.

  • S01E12 Sawhorses; Frost-Free Faucet; What Is It? Composting Leaves

    • December 26, 2002
    • PBS

    In the loft, Tom shows different types of store-bought sawhorses and teaches Steve how to build a pair from scratch. Richard hits the road and installs a new frost-proof outdoor faucet for a homeowner. Back in the loft, Tom, Richard, Roger and Steve examine two unfamiliar objects and try to guess how they're used. Roger then shows Steve how to collect and compost leaves.

  • S01E13 Spray-Painting; Chimney Dampers; What Is It? Splitting Logs

    • January 2, 2003
    • PBS

    In the loft, Jim shows the several different types of paint sprayers and demonstrates the proper technique for using a spray painter to paint a shutter. Steve enlists the help of chimney expert Mark Schaub to replace a broken fireplace damper for a homeowner. Back in the loft, Steve, Tom, Roger and Richard examine two unfamiliar objects and try to guess how they're used. Steve and Roger head outside to demonstrate different ways to split logs for firewood.

  • S01E14 No More Scalding; Robotic Mowers; Critter-Proofing

    • January 9, 2003
    • PBS

    Richard visits a homeowner and installs a new shower faucet that will eliminate the chance of scalding. Roger and Steve head outside to test the latest robotic lawn mowers. Tom and an animal control expert visit a homeowner and help her "critter-proof" her house.

  • S01E15 Stubborn Ivy; What Is It? Replacing a Bathroom Window

    • January 16, 2003
    • PBS

    Roger helps homeowner Mark Wegener remove the ivy covering his home in Madison, Wisconsin. Back in the loft, Roger, Steve, Tom and Richard examine two unfamiliar objects and try to guess how they're used. Tom then helps homeowner Christian Hansen replace the window in his third-floor condominium bathroom. Afterward, Tom explains the proper way to measure for a replacement window.

  • S01E16 Aerating the Lawn; What Is It? Hanging Pictures

    • January 23, 2003
    • PBS

    In the barn loft, Jim shows Steve the proper way to paint the exterior of a double-hung window. Roger helps homeowners Paul and Claire Blumenfeld aerate and fertilize their lawn. Then Roger, Steve, Tom and Richard examine two unfamiliar objects and try to guess how they're used. Tom then shows Steve different ways to hang a picture on a hollow wall.

  • S01E17 Washer-Dryer Shutoff; What Is It? Drywall; Plumbing Torches

    • January 30, 2003
    • PBS

    Richard visits a homeowner and installs an automatic water shutoff valve on her combination washer/dryer. Then Richard, Tom, Roger and Steve examine two unfamiliar objects and try to guess how they're used. Tom then shows Steve the proper technique for preparing drywall joints and Richard discusses different types of plumbing torches.

  • S01E18 Gutter Protection; What Is It? Steadying the Toilet

    • February 6, 2003
    • PBS

    Tom visits homeowners Roy and Sandra Lynn and shows them several products that are designed to keep leaves and other debris out of rain gutters. Then Tom, Richard, Roger and Steve examine two unfamiliar objects and try to guess how they're used. Richard then visits homeowners Steve and Maureen Parker and helps them repair their wobbly toilet.

  • S01E19 Insulating Windows; What Is It? Sewage Injection Pump

    • February 13, 2003
    • PBS

    Tom helps homeowner John Hill prevent drafts near his windows by installing insulation around the weight pockets. Then Tom, Richard, Roger and Steve examine two unfamiliar objects and try to guess how they're used. Richard makes a House Call to help homeowner John Johnstone install a sewage ejection pump for a new basement toilet.

  • S01E20 New Sill; What Is It? Rolling Paint; Sharpening Knives

    • February 20, 2003
    • PBS

    Tom helps homeowners Annette Ritchie and Charlie Bubar remove the aluminum siding around their window and repair the damaged sill. Back in the loft, Tom, Richard, Roger and Steve examine two unfamiliar objects and try to guess how they're used. Then Jim shows Steve how to use different types of paint rollers while Roger and knife sharpening expert Stan Watson sharpen kitchen knives.

  • S01E21 Snow Removal; What Is It? Fixing a Sash

    • February 27, 2003
    • PBS

    Steve and Roger head outside to demonstrate different types of snow shovels and snow throwers. Back in the loft, Steve, Roger, Richard and Tom examine two unfamiliar objects and try to guess how they're used. Tom then visits homeowner Bernice Robinson and helps her repair the broken sash cords on an old window.

  • S01E22 Leaky Faucet; What Is It? Removing Wallpaper; Glue Guns

    • March 6, 2003
    • PBS

    Richard examines homeowner Kerry Goodwin's leaky shower tub faucet. Together, they purchase the replacement parts from a local plumbing supply company and repair the fixture. Then Richard, Tom, Roger and Steve examine an unfamiliar object and try to guess how it's used. Jim helps homeowners Kathleen and Kevin O'Connor remove painted wallpaper. And back in the loft, Tom and Steve demonstrate several hot glue guns, including a new cordless model.

  • S01E23 Crown Molding; What Is It? Keeping Out the Cold

    • March 13, 2003
    • PBS

    Tom installs crown molding with homeowners Sheila and Karen Fitzpatrick. Back in the loft, Tom, Richard, Roger and Steve examine two unfamiliar objects and try to guess how they're used. Then Richard helps a Chicago-area homeowner install insulation to prevent his bathroom pipes from freezing.

  • S01E24 Kitchen Disposer; What Is It? Hearing Protection

    • March 20, 2003
    • PBS

    Richard is off to Chicago to help homeowner Dave Skena install a new garbage disposer. Back in the loft, Ricard, Tom, Roger and Steve examine two unfamiliar objects and try to guess how they're used. Outside the barn, Roger and hearing protection expert Dr. Mark Stephenson test the decibel level of several power tools. Inside, they show Tom several new types of hearing protection.

  • S01E25 The Dutchman; What Is It? Flood Prevention

    • March 27, 2003
    • PBS

    Tom helps Chicago-area homeowners Daryl and Catherine Katauskas repair their exterior door jamb by installing a dutchman. Back in the loft, Tom, Richard, Roger and Steve examine two unfamiliar objects and try to guess how they're used. Then Richard prevents a basement from flooding by installing a leak sensor and automatic water shutoff valve on a water heater.

  • S01E26 Clearing a Toilet; What Is It? Attic Access; Tomatoes

    • April 3, 2003
    • PBS

    In the loft, Richard shows Steve several different ways to clear a toilet stoppage. Then Richard, Steve, Tom and Roger examine an unfamiliar object and try to guess how it's used. Tom and homeowner Tom Flannery install a new set of folding attic stairs and Roger shows Steve how to start tomato plants from seeds.

Season 2

  • S02E01 Deadbolt Installation; Hedge Trimming; Hot Water Heater

    • October 9, 2003
    • PBS

    New host Kevin O'Connor arrives at the barn (a little late) and meets landscape contractor Roger Cook, plumbing and heating expert Richard Trethewey, and general contractor Tom Silva. Roger, Richard, and Tom welcome Kevin to the team and put him right to work. First, Tom and Kevin discuss different types of deadbolts and demonstrate how to install one on a solid wood door. Then Roger makes a House call to help homeowner Paul Garside trim his hedges. And Richard and Kevin visit homeowner Jinny Troiano to fix a heating system that can't provide enough hot water to fill a bathtub.

  • S02E02 Newel Renewal; What Is It? Replacing a Water Heater

    • October 16, 2003
    • PBS

    General contractor Tom Silva visits homeowner Christian Dierkes to help him secure a shaky newel post at the top of his stairway. Back in the loft, Tom, landscape contractor Roger Cook, plumbing and heating expert Richard Trethewey, and host Kevin O'Connor try to guess "What is it?" Then Richard makes a House call and finds a 50-year-old water heater that's dangerously close to the end of its life. Just in time, he replaces it with a new model designed to meet strict new national safety regulations.

  • S02E03 Slate Walkway; What Is It? Shower Stall Leak

    • October 23, 2003
    • PBS

    Landscape contractor Roger Cook helps homeowner Molly Simmons turn her neglected slate walkway into an attractive and safe footpath. Back in the loft, Roger, plumbing and heating expert Richard Trethewey, general contractor Tom Silva, and host Kevin O'Connor try to guess "What is it?" Then Richard helps homeowner Mark Harney diagnose and repair a frustrating leak in a fiberglass shower stall.

  • S02E04 Fixing a Hole; What Is It? 14-Inch Rough-in Toilet

    • October 30, 2003
    • PBS

    General contractor Tom Silva shows host Kevin O'Connor how to repair different size holes in drywall. Tom and Kevin are then joined by plumbing and heating expert Richard Trethewey and landscape contractor Roger Cook as they try to guess "What is it?" Then Richard helps homeowner Kent Portney replace a large 1920s wall-mounted toilet with a new model designed to fit his existing flange.

  • S02E05 Drywell Installation; What Is It? Getting a Grip

    • November 8, 2003
    • PBS

    Landscape contractor Roger Cook helps homeowner Rob Faris install a backyard drywell to handle the torrent of the rainfall from his roof gutters. Back in the loft, Roger, plumbing and heating expert Richard Trethewey, general contractor Tom Silva and host Kevin O'Connor try to guess "What is it?" Then Tom makes a House call and shows homeowners Sal and Joanne Scarpato how to install a safety grab bar in their bathtub.

  • S02E06 Window Trimming; Utility Boxes; What Is It? Kitchen Faucet

    • November 15, 2003
    • PBS

    General contractor Tom Silva shows host Kevin O'Connor how to install interior window trim. Landscape contractor Roger Cook enlists the help of landscape architect Tom Wirth to help hide a group of unsightly utility boxes in front of a saltbox style house. Back in the loft, Roger, Kevin, Tom, and plumbing and heating expert Richard Trethewey try to guess "What is it?" On a House call, Richard shows homeowner Rick Thompson a simple fix for the broken kitchen spray hose that his mother, Jean, has had in her house for years.

  • S02E07 Groundcover Planting; Opening Stuck Windows

    • November 20, 2003
    • PBS

    Landscape contractor Roger Cook helps homeowner Roseann Ferrini plant ivy and pachysandra on the slope in her front yard. Then general contractor Tom Silva heads off to Florida to help Miami homeowner Marc Jacobson unstick the sash on his double-hung windows.

  • S02E08 Prefinished Engineered Floor; Replacing a Sink Stopper

    • November 27, 2003
    • PBS

    General contractor Tom Silva helps homeowners John and Mary Kiley install a pre-finished wood floor in their sons' bedroom. Then Richard takes off for Minneapolis to help homeowner Anne McCandless replace a bathroom sink stopper that's being held together with an old Popsicle stick.

  • S02E09 Poison Ivy Removal; What Is It? Installing a Shingles Corner

    • December 4, 2003
    • PBS

    Landscape contractor Roger Cook helps homeowner Brian Grace remove poison ivy from his backyard without the use of herbicides. Back in the loft, Roger, plumbing and heating expert Richard Trethewey, general contractor Tom Silva and host Kevin O'Connor try to guess "What is it?" Then Tom shows homeowner Dan Nutton how to install cedar shingles and weave an outside corner on his house in Lowell, Massachusetts.

  • S02E10 Chimney Liner; What Is It? Toilet Tank Condensation

    • December 11, 2003
    • PBS

    Chimney expert Mark Schaub helps homeowner Terry Peterson repair the water heater flue in his chimney, preventing fireplace smoke from entering his basement. Back in the loft, plumbing and heating expert Richard Trethewey, general contractor Tom Silva, landscape contractor Roger Cook and host Kevin O'Connor try to guess "What is it?" Then Richard and homeowner Ajay Chebbi install an "anti-sweat" valve to prevent condensation on a toilet tank.

  • S02E11 Stairway Handrail; What Is It? Transplanting a Rhododendron

    • December 18, 2003
    • PBS

    General contractor Tom Silva helps homeowner Leverett Flint install a handrail in his spilt-level stairway. Back in the loft, Tom, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook, and host Kevin O'Connor try to guess "What is it?" Then Roger shows homeowners Mario and Jennifer Finocchiaro how to transplant a large rhododendron to another area of their yard.

  • S02E12 Drip Irrigation Repair; What Is It? Leaky Tile Tub

    • December 25, 2003
    • PBS

    Landscape contractor Roger Cook travels to the California desert to repair the drip irrigation system of homeowner Sherry Steele. With the help of specialist Bob Galbreath, they fix the system and restore water to the plants surrounding her home just outside Los Angeles. Back in the loft, Roger, plumbing and heating expert Richard Trethewey, general contractor Tom Silva, and host Kevin O'Connor try to guess "What is it?" Then Richard and tile expert Joe Ferrante help Melrose, Massachusetts, homeowner Bobby DiFraia repair his leaky bathtub once and for all.

  • S02E13 Squeaky Hardwood Floors; What Is It? Building Timber Stairs

    • January 1, 2004
    • PBS

    General contractor Tom Silva travels to Chicago, Illinois, to help a viewer quiet the squeaky hardwood floors in his fifth-floor apartment. Back in the loft, Tom, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook, and host Kevin O'Connor try to guess "What is it?" Then Roger helps a homeowner build a set of timber steps on a short slope outside her home.

  • S02E14 Walkway Installation; What Is It? Cutting Accurate Miters

    • January 8, 2004
    • PBS

    Landscape contractor Roger Cook helps a homeowner install a brick walkway at the front entrance to his house. Back in the loft, Roger, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, and host Kevin O'Connor try to guess "What is it?" Then Tom shows Kevin different ways to cut a perfect miter in wood trim.

  • S02E15 Sliding Closet Doors; What Is It? Electric Heat; Paint Colors

    • January 15, 2004
    • PBS

    General contractor Tom Silva travels to Venice, California, to help two homeowners fix their stubborn sliding closet doors. Back at the loft, Tom, landscape contractor Roger Cook, plumbing and heating expert Richard Trethewey, and host Kevin O'Connor try to guess "What is it?" Richard shows Kevin the basics of electric radiant floor heat. Then Kevin and preservation specialist Sally Zimmerman use a new software package to help homeowners select historically appropriate exterior paint colors for their Queen Anne Victorian.

  • S02E16 Water Quality Testing; What Is It? Damaged Floorboard

    • January 22, 2004
    • PBS

    Plumbing and heating expert Richard Trethewey and a water specialist examine a homeowner's water quality and discuss the installation of a water softener and sediment filter. Back at the loft, Richard, general contractor Tom Silva, landscape contractor Roger Cook, and host Kevin O'Connor try to guess "What is it?" Then Tom makes a House call to help a homeowner replace a rotten board in her oak hardwood flooring.

  • S02E17 Snaking Speaker Wire; What Is It? Planting a Tree

    • January 29, 2004
    • PBS

    General contractor Tom Silva helps a homeowner snake wire for a pair of outdoor speakers. Together they run the wires behind a wooden baseboard, under a baseboard radiator, up a stud bay, and through the exterior wall of her house. Back at the loft, Tom, landscape contractor Roger Cook, plumbing and heating expert Richard Trethewey, and host Kevin O'Connor try to identify an unfamiliar object in the "What is it?" segment. Then, Roger and Kevin head outside to plant a magnolia tree in front of the barn.

  • S02E18 Deterring Deer; PVC Pipe; What Is It? Sagging Shower Door

    • February 5, 2004
    • PBS

    Landscape contractor Roger Cook shows a homeowner how to protect his ornamental shrubs from the ravages of hungry deer. Back in the loft, plumbing and heating expert Richard Trethewey answers a viewer's question about PVC pipe connections. Then Roger, Richard, general contractor Tom Silva, and host Kevin O'Connor try to identify unfamiliar objects in the "What is it?" segment. Afterwards, Tom heads out to help the Ryan family fix a shower door that won't close properly.

  • S02E19 Cutting Glass; Climbing Vines; What Is It? Portable Aircon

    • February 12, 2004
    • PBS

    General contractor Tom Silva shows host Kevin O'Connor how to cut a pane of glass safely and accurately. Then landscape contractor Roger Cook helps a homeowner beautify a fieldstone wall behind her home with two varieties of flowering vines. Back in the loft, Tom, Roger, Kevin, and plumbing and heating expert Richard Trethewey try to guess "What is it?" Then Richard helps two viewers install a portable air conditioning unit in their overheated attic apartment.

  • S02E20 Programmable Thermostat; What Is It? Plaster and Lath Wall

    • February 19, 2004
    • PBS

    Plumbing and heating expert Richard Trethewey shows a homeowner how to install a programmable thermostat to reduce his heating bills. Back in the loft, Richard, general contractor Tom Silva, landscape contractor Roger Cook, and host Kevin O'Connor try to guess "What is it?" Then Tom helps a homeowner repair a cracked plaster and lath wall in her daughter's bedroom.

  • S02E21 Steam Radiator; What Is It? Preparing Raised Garden Beds

    • February 26, 2004
    • PBS

    Plumbing and heating expert Richard Trethewey makes a House call to repair an old steam radiator that squeals and leaks. With the help of the homeowners (and their Great Dane), he replaces the air vent and repairs the shutoff valve. Back in the loft, Richard, general contractor Tom Silva, landscape contractor Roger Cook, and host Kevin O'Connor try to guess "What is it?" Then Roger helps a homeowner prepare his raised garden beds for a long, cold winter.

  • S02E22 Curved Molding; Buying Wire Foot; What Is It? Maple Syrup

    • March 4, 2004
    • PBS

    General contractor Tom Silva helps install basecap molding on top of a curved skirtboard that winds along a staircase. Then master electrician Allen Gallant shows host Kevin O'Connor how to purchase electrical wire by the foot. Back in the loft, Tom, Kevin, plumbing and heating expert Richard Trethewey, and landscape contractor Roger Cook try to identify unfamiliar objects in the "What is it?" segment. Then Roger visits a family and shows them how to collect sap from a maple tree and turn it into maple syrup.

  • S02E23 Radiant Heat; What Is It? Prep Aluminum Siding for Paint

    • March 11, 2004
    • PBS

    Plumbing and heating expert Richard Trethewey helps a homeowner remove a baseboard heater to prepare for a complete remodeling of his bathroom. After the bathroom is transformed, Richard returns to help the homeowner install radiant heat. Back in the loft, Richard, general contractor Tom Silva, landscape contractor Roger Cook, and host Kevin O'Connor try to identify unfamiliar objects in the "What is it?" segment. Then painting expert Jim Clark helps a homeowner prepare his aluminum siding for a brand-new paint job.

  • S02E24 Track Light; Drywall Repair Clips; Noisy Baseboard Heaters

    • March 18, 2004
    • PBS

    Master electrician Allen Gallant helps a viewer install track lighting in the kitchen of her condominium. Back in the loft, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook, and host Kevin O'Connor try to identify unfamiliar objects in the "What is it?" segment. Then Richard makes a house call to help homeowners quiet their noisy baseboard heaters.

  • S02E25 Copper Pipe Corrosion; What Is It? Stripping a Drafty Door

    • March 25, 2004
    • PBS

    Plumbing and heating expert Richard Trethewey examines a viewer's corroded copper pipes and identifies the source of the corrosion: a rusty hot water heater. Back in the loft, Richard, general contractor Tom Silva, landscape contractor Roger Cook and host Kevin O'Connor try to identify unfamiliar objects in the "What is it?" segment. Then Tom helps a homeowner replace the worn-out weather stripping around his drafty kitchen door.

  • S02E26 Door Jamb and Storm Door; What Is It? Garden Tools

    • April 1, 2004
    • PBS

    When a gust of wind blew the storm door off this family's home, they wrote to "Ask This Old House" for help. General contractor Tom Silva answered the call, showing them how to repair the damaged jamb and install a new storm door. Back in the loft, Tom, plumbing and heating expert Richard Trethewey, landscape contractor Roger Cook, and host Kevin O'Connor try to identify unfamiliar objects in the "What is it?" segment. Then Roger helps Kevin choose the right garden tools for his spring cleanup.

Season 3

  • S03E01 Edging a Lawn; Selecting Drill Bits; What Is It? Fighting Fire

    • October 4, 2004
    • PBS

    Our first House call of the season takes us to Beverly, Massachusetts, where Roger shows new homeowners Todd and Chrissy Fratzel the proper way to edge a lawn and flower bed. Back in the loft, Tom gives some lessons on choosing drill bits. Then the guys ask "What Is It?" Finally, Kevin visits Captain Hugh Duffy at the Boston Fire Department Training Center for some lessons on choosing the right type of fire extinguisher.

  • S03E02 Clogged Trap; Brick Walkway Patterns; Fixing Ceiling Cracks

    • October 11, 2004
    • PBS

    Richard makes a House call in Wellesley, Massachusetts, to help homeowner Ziad Tarawneh replace a trap under his bathroom sink. Back in the loft, Roger shows Kevin a few design options for laying out a brick walkway. Then Tom shows homeowners Rudd Coffey and Melissa Liazos of Watertown, Massachusetts, how to make their cracked plaster ceiling look like new by covering it with drywall.

  • S03E03 Broken Fence; What Is It? Shower Valve; Keyless Chuck

    • October 18, 2004
    • PBS

    Roger repairs a broken fence with teenage neighbor Amanda Rao. Back inside, the guys ask, "What Is It?" Then, Richard restores hot-water flow to a shower for a house-sitter by repairing an anti-scald shower valve. Back in the loft, Tom shows how to upgrade an old drill by installing a "keyless" chuck.

  • S03E04 Pass-Through Opening; What Is It? Stopping a Running Toilet

    • October 25, 2004
    • PBS

    Tom visits homeowners David and Patti Dobrindt in Milton, Massachusetts, to help them cut a pass-through in their kitchen wall. Back in the loft, the guys ask, "What Is It?" After that, Rich repairs a continuously running toilet in West Roxbury, Massachusetts, for homeowner Peter Fay.

  • S03E05 Screw Extractors; Cobblestone Edging; Rotting Porch Post

    • November 1, 2004
    • PBS

    Tom shows Kevin how to remove bolts and screws with stripped or damaged heads. Roger visits homeowner Lauren Speisman of Waltham, Massachusetts, to help create an edge along a concrete walkway using jumbo cobblestones. Back in the loft, Tom, Roger, Kevin and Richard ask, "What Is It?" as they identify unknown objects. Then Tom heads to Wenham, Massachusetts, to help homeowner Francine Molay jack up the roof of her front porch and fix a rotting post.

  • S03E06 Flower Boxes; What Is It? New Lawn with Sod

    • November 8, 2004
    • PBS

    Tom helps spruce up the front of homeowner Stacy Keller's Acton, Massachusetts, house by building window boxes for flowers. Then Tom, Roger, Richard and Kevin ask, "What Is It?" Then Roger installs sod to create a brad-new lawn in the backyard of Needham, Massachusetts, homeowner Peter Burdick, just in time for his family's annual barbecue.

  • S03E07 Anode Rod Replacement; Water Diverter; Too Much Heat!

    • November 15, 2004
    • PBS

    In the workshop loft, Richard demonstrates how to extend the life of a hot water heater by replacing the sacrificial anode rod. Tom visits homeowner Alison Hardy of Topsfield, Massachusetts, and installs a "cricket," or rain diverter, to keep water away from her front steps. Then Richard, Tom, Roger and Kevin ask, "What Is It" Then it's off to Brighton, Massachusetts, where Richard helps homeowner Kim McMahon cool off by installing thermostatic valves on her stream radiators.

  • S03E08 Hanging Shelves; Soil Testing; Hot Water Recirculator

    • November 22, 2004
    • PBS

    Tom helps homeowners Rich and Sarah Paisner of Brighton, Massachusetts, get organized by installing adjustable shelves on the wall in their den. Back in the loft, Tom, Richard, Roger and Kevin ask, "What Is It?" Then Roger is joined by soil expert Roberta Clark from the University of Massachusetts for some tips on testing soil before planting. Then Richard gets Tewksbury, Massachusetts, homeowner Paige Impink into hot water by installing a hot water recirculator pump in her upstairs bathroom.

  • S03E09 Plumbing Valves; Old Bulkhead; Drip Irrigation Repair

    • November 29, 2004
    • PBS

    Inside the loft, Richard gives Kevin some lessons on leaky valves and how to repair them. Then, Tom heads to Waltham, Massachusetts to help homeowners David Anderson and Alica Beneteau replace an old, rusty cellar door with a new fiberglass model. Back in the loft, Tom, Richard, Roger and Kevin ask, "What Is It?" Then, Roger helps homeowner Christine Dinardo of Carlisle, Massachusetts repair a leaky drip irrigation hose.

  • S03E10 Noisy Toilet; What Is It? Cutting Crown Molding; Broken Tile

    • December 6, 2004
    • PBS

    Richard visits Stephen Davidson of Littleton, Massachusetts to find the source of a strange "fog horn" sound coming from his plumbing system. Then Richard, Tom, Roger and Kevin ask, "What Is It?" Back in the loft, Tom shows the three basic cuts necessary to install crown molding. And tile contractor Joe Ferrante helps homeowner Brandon Ingersoll of Cambridge, Massachusetts replace some hard-to-find broken bathroom tiles.

  • S03E11 Ladder Safety; What Is It? Replacing an Old Retaining Wall

    • December 13, 2004
    • PBS

    Kevin heads outside the barn to learn about ladder safety from expert John Drengenberg. Up at the loft, Kevin, Tom, Richard and Roger ask, "What Is It?" Then, Roger rebuilds a crumbling retaining wall with homeowner Colin White of Wakefield, Massachusetts using interlocking concrete blocks.

  • S03E12 Cracked Stucco; Cleaning a Lawnmower; Dehumidifier Pumps

    • December 20, 2004
    • PBS

    Tom heads to sunny Los Angeles, California where he helps homeowner Joshua Tano repair some cracked stucco. Back in the loft, Tom, Richard, Roger and Kevin ask, "What Is It?" Then, Roger shows Kevin how to keep a lawnmower humming all summer long by cleaning underneath the deck. Then, Richard helps water-logged homeowner Karen Kostegan of Bedford, Massachusetts install a pump to remove condensate from her basement dehumidifier.

  • S03E13 Planting a New Lawn; What Is It? Replacing a Kitchen Sink

    • December 27, 2004
    • PBS

    Roger re-seeds a damaged lawn for homeowner Mary Brintnall of Beverly, Massachusetts. Back in the loft, Roger, Tom, Richard and Kevin ask, "What Is It?" Then, Richard heads to Detroit suburb of Sterling Heights, Michigan to install a new kitchen sink for homeowners Donna and Tim Mackey.

  • S03E14 Chicago Door Glass; Glass Expert; Pruning a Pin Oak

    • January 3, 2005
    • PBS

    Tom heads to the windy city suburb of Park Ridge, Illinois, where he helps homeowner Richard Westphal replace the broken window pane in an exterior door. Back in the loft, Tom and glass expert Larry Rosenfield show Kevin different kinds of safety glass. Afterwards, Tom, Kevin, Richard and Roger ask, "What Is It?" Then Roger is off to Brookline, Massachusetts to "let the sunshine in" for homeowner Elizabeth Choi by pruning her Pin Oak tree with the help of arborist Matt Foti.

  • S03E15 Old Storm Window; Shrubs; Carbon Monoxide Detectors

    • January 10, 2005
    • PBS

    Tom helps homeowner Tarah Hirschey of Wellesley, Massachusetts make her old windows more efficient by installing new storm windows. Then, Roger offers tips for getting your shrubs ready for winter. Afterwards, Tom, Roger, Richard and Kevin ask, "What Is It?" in the Ask This Old House loft. Finally, Roger heads to New York City where he meets up with home inspector Stephen Gladstone and homeowners Roy and Sophia Pachecano for some potentially life-saving lessons on carbon monoxide detectors.

  • S03E16 Replicating Moldings; Unlevel Patio; Stripping Wallpaper

    • January 17, 2005
    • PBS

    In the Ask This Old House loft, Tom shows Kevin a few ways to recreate different molding profiles. Then, Roger heads to Skokie, Illinois where he has some "uplifting" advice for a homeowner with a sinking brick patio. After that, Tom, Roger, Richard and Kevin guess "What Is It?" in the loft, Then, Jim shows Kevin and homeowner Caroline Pooler of Andover, Massachusetts a new way to strip wallpaper.

  • S03E17 Rotted Deck Balusters; What Is It? Connecting an Icemaker

    • January 24, 2005
    • PBS

    Homeowner Martin D'Agostino of Swampscott, Massachusetts receives a visit from Tom who knows him how to repair and replace his rotting deck balusters. Then Tom, Richard, Roger and Kevin ask, "What Is It?" in the Ask This Old House loft. Afterwards, Richard heads off to Salem, Massachusetts to hook up a refrigerator's ice-maker and water dispenser for homeowner Joe Cole.

  • S03E18 Unclogging Drains; Window Weights; Low-Maintenance Garden

    • January 31, 2005
    • PBS

    In the barn loft, Richard "clears up" the mysteries of clogged bathtub drains. Then, Tom helps Marblehead, Massachusetts homeowner Terry Lavelle replace his double-hung window weights with spring loaded sash balancers. Afterwards, Tom shows Kevin how to insulate the empty window weight pockets to prevent cold winter drafts. Then Tom, Richard, Kevin and Roger ask, "What Is It?" Finally, Roger helps a very thoughtful tenant, Brett Campbell of Arlington, Massachusetts, plant a low-maintenance garden for his elderly landlady.

  • S03E19 Composting; What Is It? Removing a House Trap

    • February 7, 2005
    • PBS

    Roger shows homeowner Doug Ferguson of Hudson, Massachusetts how to recycle his yard waste through composting. They visit a compost bin test site where they meet compost expert Ann McGovern from the Massachusetts Department of Environmental Protection. Then Roger, Tom, Richard and Kevin ask, "What Is It?" in the Ask This Old House loft. Later, Richard helps homeowner Kate Smukler of Arlington, Massachusetts remove an old cast-iron house trap on her main sewer line so that a clog can be easily cleared.

  • S03E20 Floor Leveling; What Is It? Leaky Water Valve; Air Compressors

    • February 14, 2005
    • PBS

    Tom helps homeowner Mark Andrews of Charleston, Massachusetts level an uneven concrete floor so that he can install hardwood flooring. Then Tom, Richard, Roger and Kevin ask, "What Is It?" in the Ask This Old House loft. Then, Richard shows homeowner Jenna Williams of Rex, Georgia a simple repair for a leaky water shut-off valve. Then, up in the loft, Tom teaches Kevin about air-compressors and how to select the right one for the job.

  • S03E21 220-Volt Receptacle; Gardening Hand Tools; Macerating Toilet

    • February 21, 2005
    • PBS

    Tom shows Kevin what's inside a typical residential electrical service panel. Then, master electrician Allen Gallant helps homeowner Steve Bankowitz of Burlington, Massachusetts install a 220-volt receptacle in his garage-turned-woodshop. Roger shows Kevin what types of hand tools every home gardener should own. Then, the crew ask, "Whats Is It?" in the Ask This Old House loft. Later, Richard helps homeowner Scott Jones of Arlington, Massachusetts install a macerating toilet in his basement.

  • S03E22 Riding Lawnmowers; Garbage Disposers; Rotting Threshold

    • February 28, 2005
    • PBS

    Roger heads to Alpharetta, Georgia to help homeowner Dale Eneberg shop for a new riding lawnmower. Then Roger, Richard, Tom and Kevin ask, "What Is It?" Later, Tom replaces a rotting wooden threshold for homeowners Steve Chapman and Maggie Hale of Arlington, Massachusetts. And, back in the loft, Richard shows Kevin how garbage disposers work and explains how to keep them working like new.

  • S03E23 Clogged Vent Stack; What Is It? Backyard Ice Rink

    • March 7, 2005
    • PBS

    Richard helps homeowner Tom Pulkowski of Chelmsford, Massachusetts clear a clogged vent stack with the aid of a fiberoptic plumbing snake. Then Richard, Roger, Tom and Kevin ask, "What Is It?" Then Roger helps homeowner Dennis Cronin of Duxbury, Massachusetts build an ice skating rink in his backyard.

  • S03E24 Air Cleaner; Walkway Ice Removal; Bathroom Venting

    • March 14, 2005
    • PBS

    Richard helps a pair of homeowners from Arlington, Massachusetts install an electronic air cleaner on their forced-air furnace. Then Roger shows Kevin some tools and materials for removing ice from concrete walkways. And Tom shows homeowner Enza Sheehan of Swampscott, Massachusetts how to properly vent a bathroom fan to the outside of the house.

  • S03E25 Florescent Light; Landscaping Software; Aluminum Heat Cover

    • March 21, 2005
    • PBS

    Up in the loft, Tom shows Kevin a few tricks for using one of the most basic tools, a tape measure. Then master electrician Allen Gallant visit homeowner Kristen Berger of Leominster, Massachusetts and brightens up a dimly-lit basement with new fluorescent fixtures. Then Tom, Kevin, Richard and Roger ask, "What Is It?" Later, Kevin shows Roger a software package that can be used to create a three-dimensional landscape plan. And Richard makes a house call to homeowner Wendy Smith in Duxbury, Massachusetts and shows her how to replace the banged-up aluminum cover on an old baseboard heater.

  • S03E26 Window Boxes; What Is It? Plumbing Connections

    • March 28, 2005
    • PBS

    Tom makes a house call to Atlanta, Georgia to show homeowner Terry Andrews how to use masonry fasteners to install window boxes on his brick townhouse. Then Tom, Richard, Roger and Kevin ask, "What Is It?" Then, back in the loft, Richard shows Kevin several different ways to make copper pipe connections, including a new solderless system. Then, Roger helps homeowner Alan Lear of Carlisle, Massachusetts install a perimeter drain to catch rainwater running off of his roof.

Season 4

  • S04E01 Mortared Stone Walkway Repair; Patching an Oak Floor

    • October 6, 2005
    • PBS

    Our 4th season begins with a house call from landscaping contractor Roger Cook who helps a homeowner repair a loose flagstone in his mortared front walkway. Then Roger, along with general contractor Tom Silva, plumbing and heating expert Richard Trethewey, and host Kevin O'Connor ask, "What is it?" Then, Tom helps a handy homeowner patch a hardwood floor where an interior wall once stood.

  • S04E02 Creaky Stairs; Static Cling Solution; Electric Shut-Off Valve

    • October 13, 2005
    • PBS

    General contractor Tom Silva quiets a homeowner's squeaky stairs and replaces a broken baluster. Then Tom, along with plumbing and heating expert Richard Trethewey, landscaping contractor Roger Cook, and host Kevin O'Connor ask, "What is it?" Then, Richard helps a homeowner prevent a damaging flood by installing an automatic shut-off valve for her washing machine.

  • S04E03 Under-Sink Water Filter; Planting a Drought Resistant Tree

    • October 20, 2005
    • PBS

    Plumbing and heating expert Richard Trethewey helps a homeowner improve the quality of her drinking water by installing an under-sink filter. After that, Richard and host Kevin O'Connor are joined in the loft by water-filtration expert Bill McTighe who explains several other types of residential water filters. Then, landscaping contractor Roger Cook helps a homeowner select a drought-resistant tree and plant it properly in her sloped front yard.

  • S04E04 Flat Tire; Aluminum Rain Gutter; Thermal Expansion Tank

    • October 27, 2005
    • PBS

    Up in the loft, landscaping contractor Roger Cook shows host Kevin O'Connor how to repair a flat wheelbarrow tire. He also shows a new type of flat-free tire. Then, general contractor Tom Silva helps a homeowner repair an aluminum rain gutter. Then, back in the loft, Kevin and Tom demonstrate a tip sent in from a viewer on how to drill a hole in ceramic tile. Then, plumbing and heating expert Richard Trethewey helps a homeowner with a leaking T&P valve on his water heater by installing a thermal expansion tank.

  • S04E05 Rose Bushes; Wobbly Toilet; Water Leak; Hydraulic Cement

    • November 3, 2005
    • PBS

    Landscaping contractor Roger Cook heads to Grandview, Missouri to help a homeowner care for an ailing rose bush. Then Roger, along with general contractor Tom Silva, plumbing and heating expert Richard Trethewey, and host Kevin O'Connor ask, "What is it?" Up in the loft, Richard shows Kevin a number of ways to steady a wobbly toilet. Then, Tom helps a homeowner prevent water from leaking through a hole in his foundation into his basement.

  • S04E06 Raised Garden Bed with Timbers; Clearing a Bathtub Drain

    • November 10, 2005
    • PBS

    Landscaping contractor Roger Cook helps a young couple build a raised garden bed using composite landscape timbers made from recycled plastic and sawdust. Back in the loft, Roger shows host Kevin O'Connor several other types of landscape timbers, including one that has been pressure-treated with liquid glass. Then, plumbing and heating expert Richard Trethewey helps a homeowner clear a slow-draining bathtub using a plumbing snake.

  • S04E07 Moss, Algae and Lichen; Leaky Water Valve; Planting Shade

    • November 17, 2005
    • PBS

    General contractor Tom Silva shows a homeowner how to remove moss and lichen from his shade-covered roof and keep them from coming back. Then Tom, along with plumbing and heating expert Richard Trethewey, landscaping contractor Roger Cook, and host Kevin O'Connor ask, "What is it?" Up in the loft, Richard shows Kevin how to repair a leaky valve by replacing the washer and valve seat. Then, Roger helps a homeowner plant shade-loving groundcover under a 100-year-old beech tree.

  • S04E08 Circular Saw 101; Outdoor PEX Faucet; Cabling an Oak Tree

    • November 24, 2005
    • PBS

    Up in the loft, general contractor Tom Silva gives host Kevin O'Connor a few lessons on the proper use of a circular saw. Then, plumbing and heating expert Richard Trethewey installs a new outdoor faucet for a homeowner using flexible plastic tubing called PEX. Then Richard, along with Tom, Kevin and landscaping contractor Roger Cook ask, "What is it?" And arborist Matt Foti prevents a tree from splitting in half by installing steel cables and through-bolts to hold it together.

  • S04E09 Garage Roof Re-Shingling with Asphalt; Fiberglass Shingles

    • December 1, 2005
    • PBS

    Plumbing and heating expert Richard Trethewey starts the show with a suggestion sent in by a viewer. Richard shows how to use a common wire nut to save a partially-used tube of caulk and demonstrates a new replacement caulk tip. Then, general contractor Tom Silva helps a pair of homeowners replace the worn-out roof on an old garage. Together, they tear off the old roof, lay down felt paper, and re-shingle the roof using new asphalt-fiberglass shingles.

  • S04E10 Pruning an Overgrown Privet Hedge; New Laundry Sink

    • December 8, 2005
    • PBS

    Landscaping contractor Roger Cook helps a pair of homeowners tame an overgrown privet hedge with some "rejuvenation pruning." Then, plumbing and heating expert Richard Trethewey helps a homeowner install a laundry sink in the basement of her new townhouse. Together, they run the copper pipes for the water supply, make the new PVC drain connection, and connect the plumbing vent.

  • S04E11 Snowthrowers; What Is It? Installing A New Exterior Door

    • December 15, 2005
    • PBS

    Landscaping contractor Roger Cook and host Kevin O'Connor bundle up and head outside for a few lessons on the different types of snowthrowers and how to use them properly. Back in the barn loft, Roger and Kevin, along with plumbing and heating expert Richard Trethewey and general contractor Tom Silva ask, "What is it?" Then, Tom makes a housecall to help a homeowner replace an old, drafty exterior door with a new pre-hung, energy-efficient unit.

  • S04E12 Washing Windows; What Is It? Flushing an Electric Water Heater

    • December 22, 2005
    • PBS

    Host Kevin O'Connor heads to southern California and meets with a local expert to learn about the proper tools techniques for window washing. Then back in the loft, Kevin, along with landscaping contractor Roger Cook, plumbing and heating expert Richard Trethewey, and general contractor Tom Silva ask, "What is it?" Then, Richard helps a pair of homeowners flush the sediment out of their aging electric water heater. Later, up in the loft, Richard demonstrates several water heater maintenance tips.

  • S04E13 New Vinyl Floor; What Is It? Preventing Frozen Pipes

    • December 29, 2005
    • PBS

    General contractor Tom Silva heads to New York's "lower east side" to help a pair of apartment-dwellers install a new vinyl floor. Then Tom, along with plumbing and heating expert Richard Trethewey, landscaping contractor Roger Cook and host Kevin O'Connor ask, "What is it?" Then, up in the loft, Richard shows Kevin a few ways to prevent plumbing pipes from freezing in the winter and the proper way to thaw pipes if they do freeze.

  • S04E14 Radon Mitigation System; Pruning an Apple Tree

    • January 5, 2006
    • PBS

    Host Kevin O'Connor heads to Minneapolis, Minnesota to help a pair of homeowners who have discovered dangerous levels of radon gas in their finished basement. Then, up in the loft, Kevin shows a number of radon test kits available at home centers and local health departments. Then, landscaping contractor Roger Cook shows a homeowner how to prune his apple tree to produce healthy fruit.

  • S04E15 In-Ground Sprinkler System; Pouring a Concrete Footing

    • January 12, 2006
    • PBS

    Landscaping contractor Roger Cook heads to Dallas, Texas to help a homeowner install a low cost in-ground sprinkler system. Then Roger, along with plumbing and heating expert Richard Trethewey, general contractor Tom Silva, and host Kevin O'Connor ask, "What is it?" Then, Tom helps a homeowner pour new concrete footings for a backyard deck.

  • S04E16 Choosing Hammers; Pressure-Assisted Toilet; Plastered Wall

    • January 19, 2006
    • PBS

    Up in the loft, general contractor Tom Silva shows host Kevin O'Connor several different types of hammers and how to use them properly. Then, plumbing and heating expert Richard Trethewey helps a homeowner repair a pressure-assisted toilet. Tom then gives Kevin some lessons on how to patch a large hole in a wall using veneer plaster and blueboard.

  • S04E17 Residential Well Repair; Repairing a Hole in Vinyl Siding

    • January 26, 2006
    • PBS

    Plumbing and heating expert Richard Trethewey and a specialist repair a residential well system for a homeowner by replacing the pump and pressurized well tank. Then general contractor Tom Silva helps a homeowner repair a small hole in his vinyl siding.

  • S04E18 Transplanting a White Spruce; Extending a Staircase Handrail

    • February 2, 2006
    • PBS

    Landscaping contractor Roger Cook shows a homeowner how to transplant a spruce tree that was originally planted too close to her house. Then Roger, along with plumbing and heating expert Richard Trethewey, general contractor Tom Silva, and host Kevin O'Connor ask, "What is it?" Then, Tom heads off to Seattle to help a homeowner extend a staircase handrail using a new type of fastening system.

  • S04E19 Custom Radiator Cover; Installing a Steam Humidifier

    • February 9, 2006
    • PBS

    General contractor Tom Silva shows host Kevin O'Connor how to build a custom cover for a radiator. Then plumbing and heating expert Richard Trethewey shows Kevin several different types of humidifiers and then makes a housecall to help a homeowner install a steam humidifier on her forced-air heating system.

  • S04E20 Granite Driveway Marker; Hot Water Radiator System

    • February 16, 2006
    • PBS

    Landscaping contractor Roger Cook and a specialist help a homeowner install a granite driveway marker so that visitors can more easily find his house. Then Roger, along with plumbing and heating expert Richard Trethewey, general contractor Tom Silva, and host Kevin O'Connor ask, "What is it?" Afterward, Richard heads to Pennsylvania to fix a hot water radiator that is not providing any heat.

  • S04E21 Water Heater; Planting Trees to Save Energy; Cellulose Insulation

    • February 23, 2006
    • PBS

    This special episode is all about making your home more energy-efficient. Plumbing and heating expert Richard Trethewey heads to Atlanta where he helps a homeowner install an instantaneous water heater to save on rising fuel costs. Then, up in the loft, landscaping contractor Roger Cook shows how proper planting of deciduous and evergreen trees can help reduce the costs of heating and cooling your house. Then, general contractor Tom Silva helps a pair of homeowners insulate the walls of their antique Victorian using blown-in cellulose insulation. Back in the loft, Tom demonstrates how to add additional fiberglass insulation to an attic.

  • S04E22 Cast-Iron Radiator and Bathtub; Grading; Wobbly Newel Post

    • March 2, 2006
    • PBS

    Up in the loft, plumbing and heating expert Richard Trethewey shows host Kevin O'Connor how to repair damaged threads on a radiator using a drill and "tap." Then, landscaping contractor Roger Cook helps a homeowner solve a grading problem that is causing wood rot on the side of her house. Then Richard and Kevin, along with general contractor Tom Silva and host Kevin O'Connor ask, "What is it?" Afterward, Tom shows Kevin how to stabilize a wobbly newel post. Then, Kevin and a tub refinisher help a homeowner refinish her old cast-iron bathtub and make it look like new.

  • S04E23 Replacing an Interior Door; Leaky Kitchen Faucet

    • March 9, 2006
    • PBS

    General contractor Tom Silva helps a homeowner replace an interior "hollow-core" door with a heavier, more attractive, "solid-core" door. Then, up in the loft, Tom and host Kevin O'Connor cut several doors in half to reveal how different types of doors are constructed. Then, plumbing and heating expert Richard Trethewey heads to Philadelphia to repair a leaky kitchen faucet. Afterward, back in the loft, Richard shows Kevin several types of kitchen faucets and a few tips on repairing them.

  • S04E24 Replacing a Dishwasher; Sharpening a Chisel; Lawn Spreaders

    • March 16, 2006
    • PBS

    Plumbing and heating expert Richard Trethewey helps a homeowner select and install a new dishwasher. Then, Richard, along with general contractor Tom Silva, landscaping contractor Roger Cook and host Kevin O'Connor ask, "What is it?" Then, up in the loft, Tom shows Kevin how to sharpen wood chisels using different types of sharpening stones. Then, Roger and Kevin head outside for some lessons on proper use of lawn spreaders.

  • S04E25 Cutting Ceramic and Stone Tile; Installing a Sump Pump

    • March 23, 2006
    • PBS

    Up in the loft, tile expert Joe Ferrante shows host Kevin O'Connor the proper way to cut several different types of tile. Then, general contractor Tom Silva helps a homeowner with a wet basement install a sump pump. Back in the loft, Tom and plumbing and heating expert Richard Trethewey discuss emergency backup systems for sump pumps.

  • S04E26 Mini-Split Air Conditioning System; De-Thatching a Lawn

    • March 30, 2006
    • PBS

    Plumbing and heating expert Richard Trethewey visits a homeowner in Kansas to help install a mini-split air conditioning system. Then, Richard, along with general contractor Tom Silva, landscaping contractor Roger Cook, and host Kevin O'Connor ask, "What is it?" Then, Roger helps a homeowner "wake up the lawn" in preparation for spring by using a de-thatching machine.

Season 5

  • S05E01 Door Latch; Bamboo Privacy Screen

    • October 5, 2006
    • PBS

    Our 5th season kicks off with general contractor Tom Silva helping a homeowner repair an interior door that won't latch shut. Then Tom, along with landscaping contractor Roger Cook, plumbing and heating expert Richard Trethewey and host Kevin O'Connor ask, "What is it?" Then, Roger heads for "fabulous" Las Vegas, Nevada, where he helps a pair of homeowners select and plant a privacy screen using bamboo plants.

  • S05E02 Faucet Aerator; Houseplants; Squeaky Floors

    • October 12, 2006
    • PBS

    Plumbing and heating expert Richard Trethewey helps a homeowner replace a clogged aerator on his bathroom faucet. Then, up in the loft, landscaping contractor Roger Cook is joined by plant expert Carrie Kelly to learn about caring for houseplants. Then, general contractor Tom Silva helps a homeowner quiet a squeaky subfloor hidden underneath wall-to-wall carpeting using special "breakaway" screws.

  • S05E03 Shower Pan; Tile Backerboard; Rain Barrel

    • October 19, 2006
    • PBS

    Plumbing and heating expert Richard Trethewey helps a homeowner begin to remodel his bathroom by installing a new acrylic shower base. Back in the loft, Tom demonstrates the proper way to install backerboard and tile around a new shower base. Then, landscaping contractor Roger Cook helps a homeowner save water by installing a rain barrel to catch rainwater from the roof.

  • S05E04 Garage Cabinets; Ceiling Fan

    • October 26, 2006
    • PBS

    General contractor Tom Silva heads to Las Vegas to help a young homeowner organize her garage by installing new cabinets designed especially for garages. Then, in the "What is it?" segment, host Kevin O'Connor and landscaper Roger Cook test a new type of vacuum-assisted post hole digger. Afterward, electrician John Barros visits a homeowner who needs help installing a new ceiling fan. Then, up in the loft, John shows Kevin a few other ways of installing fan-rated electrical boxes.

  • S05E05 Plant Bulbs; Ripping Plywood; Water Hammer

    • November 2, 2006
    • PBS

    Landscaping contractor Roger Cook and host Kevin O'Connor plant flower bulbs outside the barn. Then, up in the loft, general contractor Tom Silva shows Kevin how to makes straight rip cuts with a circular saw using a customized jig. Then Tom, Kevin, Roger and plumbing and heating expert Richard Trethewey ask, "What is it?" Afterward, Richard helps a homeowner eliminate the water hammer noise from his pipes by installing shock suppressors.

  • S05E06 Building a Small Deck

    • November 9, 2006
    • PBS

    General contractor Tom Silva helps a homeowner with a large carpentry project: rebuilding a small exterior deck. They start by removing the existing deck, which has rotted and become unstable. Together, they build a new deck, including stairs and handrails, using pressure-treated lumber and composite deck boards.

  • S05E07 Energy Audit; Toilet Seat Bolts

    • November 16, 2006
    • PBS

    Host Kevin O'Connor and energy efficiency expert Bruce Torrey conduct an energy audit of a house. Using an infra-red camera, they locate areas where weather-stripping and insulation can be improved. Then Kevin, along with plumbing and heating expert Richard Trethewey, landscaping contractor Roger Cook, and general contractor Tom Silva ask, "What is it?" Afterward, Richard demonstrates how to remove an old toilet seat that has corroded bolts.

  • S05E08 Countertops; Chain Link Fence

    • November 23, 2006
    • PBS

    Up in the loft, stone countertop expert Jason Keefe shows host Kevin O'Connor how to maintain stone countertops and prevent stains. Then Kevin, along with landscaping contractor Roger Cook, plumbing and heating expert Richard Trethewey, and general contractor Tom Silva ask, "What is it?" Afterward, Roger and fence contractor Mike McLaughlin help a homeowner install a chain link fence.

  • S05E09 Childproofing; Sump Pump

    • November 30, 2006
    • PBS

    Host Kevin O'Connor and child safety expert Jeff Baril visit a homeowner to "childproof" her home. Then Kevin, along with general contractor Tom Silva, landscaping contractor Roger Cook, and plumbing and heating expert Richard Trethewey ask, "What is it?" Afterward, Richard helps a homeowner install a back-up sump pump that is powered by municipal water pressure instead of electricity.

  • S05E10 Tile Backsplash; Lawn Repair

    • December 7, 2006
    • PBS

    Tile contractor Joe Ferrante helps a homeowner install a brand new kitchen backsplash using glass tile. Then, landscaping contractor Roger Cook helps a homeowner replace a damaged section of lawn using sod.

  • S05E11 Damaged Clapboards; Felling Trees

    • December 14, 2006
    • PBS

    General contractor Tom Silva shows host Kevin O'Connor how to replace damaged cedar clapboards on the exterior of a house. Then Kevin and Tom, along with landscaping contractor Roger Cook and plumbing and heating expert Richard Trethewey ask, "What is it?" Then, Roger and chainsaw expert Tim Ard show a homeowner how to fell trees safely using a chainsaw.

  • S05E12 Mixing Valve; Tool Batteries

    • December 21, 2006
    • PBS

    Plumbing and heating expert Richard Trethewey heads to San Francisco to help a homeowner repair an old shower mixing valve. Then Richard, along with host Kevin O'Connor, landscaping contractor Roger Cook, and general contractor Tom Silva ask, "What is it?" Then, up in the loft, Kevin and Tom are joined by battery expert Tim Pugh to discuss battery technology in cordless tools and proper recycling of batteries.

  • S05E13 Mulching; Sash Weights

    • January 4, 2007
    • PBS

    Landscaping contractor Roger Cook takes a homeowner shopping for mulch and shows her how to re-mulch and edge her garden beds. Then, general contractor Tom Silva shows a homeowner how to replace broken sash balancers in his double-hung windows.

  • S05E14 Willow Pruning; Water Heater

    • January 11, 2007
    • PBS

    Landscaping contractor Roger Cook and arborist Matt Foti help a homeowner properly prune his overgrown willow tree. Then, plumbing and heating expert Richard Trethewey heads to Denver to fix a hot water heating system that doesn't provide enough heat to a newly-built addition.

  • S05E15 Clearing Drains; Installing Cabinets

    • January 18, 2007
    • PBS

    Up in the loft, plumbing and heating expert Richard Trethewey shows host Kevin O'Connor different methods for clearing clogged drains. Then Richard and Kevin, along with landscaping contractor Roger Cook and general contractor Tom Silva ask, "What is it?" Afterward, Tom helps a homeowner install new kitchen cabinets.

  • S05E16 Removing Shrubs; Extension Cords; Drain Pop-Up

    • January 25, 2007
    • PBS

    Landscaping contractor Roger Cook heads to Denver to help a pair of homeowners remove an overgrown Juniper bush. Then, up in the loft, host Kevin O'Connor and general contractor Tom Silva demonstrate the proper way to coil extension cords. Then, plumbing and heating expert Richard Trethewey helps a homeowner replace a pop-up drain assembly on the pedestal sink in his bathroom.

  • S05E17 Carpet; Table Saw Safety

    • February 1, 2007
    • PBS

    Kevin O'Connor helps a homeowner select wall-to-wall carpet and install it properly with the assistance of a professional installer. Back in the Ask This Old House loft, Kevin, Tom Silva, Richard Trethewey, and Roger Cook examine an unfamiliar object and try to guess how it is used. Then Tom teaches Kevin a few important lessons for using a tablesaw safely. He demonstrates a new type of emergency brake that helps to prevent tablesaw injuries.

  • S05E18 Vinyl Floor; In-Ground Sprinkler

    • February 8, 2007
    • PBS

    Tom travels to Sacramento to help homeowners repair a damaged section in the vinyl flooring in their kitchen. In the Ask This Old House loft, Tom, Richard, Roger and Kevin examine an unfamiliar object and try to guess how it is used. Then Roger goes to Las Vegas to help a homeowner repair his leaking in-ground sprinkler system.

  • S05E19 Painting Radiators; Standby Generator

    • February 15, 2007
    • PBS

    Richard Trethewey helps a homeowner refinish her cast iron radiators. They remove the radiators and take them to a restoration specialist, who sandblasts the peeling paint and applies a new finish and makes them look new. Afterward, Kevin O'Connor travels to St. Louis to help a homeowner install a standby generator who lives an area with frequent power outages that last for several days.

  • S05E20 Heat-Tolerant Shrub; Solar Powered Vent

    • February 22, 2007
    • PBS

    Landscape contractor Roger Cook shows a homeowner how the brick stairs in front of his house have created a blistering "micro-climate," causing damage to an adjacent shrub. Together, they remove the ailing shrub and replace it with a heat-tolerant yew. Then Roger, along with host Kevin O'Connor, general contractor Tom Silva, and plumbing and heating expert Richard Trethewey ask, "What is it?" Afterward, Tom improves the ventilation in an attic by installing a solar-powered roof fan

  • S05E21 Composite Decking; Noisy Steam Heat

    • March 1, 2007
    • PBS

    General contractor Tom Silva removes the cracked and warped boards on an old deck and installs new composite decking using hidden fasteners. Afterward, plumbing and heating expert Richard Trethewey quiets down a noisy steam heating system

  • S05E22 Shut-Off Valve; Climbing Roses

    • March 8, 2007
    • PBS

    Richard assists a homeowner in replacing a corroded shut-off valve with a new one without using soldering. In the Ask This Old House loft, Tom, Richard, Roger and Kevin examine an unfamiliar object and try to guess how it is used. Then Roger helps a homeowner with her rose bushes so they will climb a two-rail fence.

  • S05E23 Bathroom Radiator; Hand Planes; Crabgrass

    • March 15, 2007
    • PBS

    Richard Trethewey assists a homeowner install a new bathroom radiator that will double as a towel warmer. In the Ask This Old House loft, Tom Silva shows Kevin O’Connor how to shape wood by using hand planes. Roger Cook helps a homeowner remove crabgrass from his lawn and prevent it from returning.

  • S05E24 Mailbox; Brick Foundation Repointing

    • March 22, 2007
    • PBS

    Roger Cook helps a homeowner replace a mailbox that had been damaged by snowplows. Tom Silva travels to St. Louis to help a a young couple repoint the failing mortar on the brick foundation of their home.

  • S05E25 Edge Mowing; Water Heater; Stair Tread

    • March 29, 2007
    • PBS

    Roger shows two young homeowners the proper methods for mowing and edging their front lawn. In the Ask This Old House loft, Tom, Richard, Roger and Kevin examine an unfamiliar object and try to guess how it is used. Richard shows Kevin how to repair and maintain electric water heaters. Tom helps a homeowner repair a broken stair tread using a new type of wooden dowel.

  • S05E26 Workbench; Lawnmower; Whistling Heat

    • April 5, 2007
    • PBS

    In the Ask This Old House loft, Tom Silva shows host Kevin O'Connor how to build a simple workbench. Roger, Kevin O'Connor, Richard Trethewey and Tom Silva examine an unfamiliar object and try to guess how it is used. Roger then gives Kevin tips on how to tune-up a gas-powered lawn mower. Then Richard silences a whistling forced-air heating system by installing a bypass duct.

Season 6

  • S06E01 Bathtub Drain; Ceiling Repair

    • October 4, 2007
    • PBS

    Plumbing and heating expert Richard Trethewey heads to Cleveland, Ohio to help a homeowner replace a bathtub drain trap. Then Richard, along with general contractor Tom Silva, landscape contractor Roger Cook and host Kevin O'Connor ask, "What is it?" Afterward, Tom helps a homeowner repair a cracked drywall ceiling.

  • S06E02 Carpentry Squares; Brick Patio

    • October 11, 2007
    • PBS

    Up in the loft, general contractor Tom Silva shows host Kevin O'Connor a few different types of "squares" used for general carpentry. Then Tom and Kevin, along with plumbing and heating expert Richard Trethewey and host Kevin O'Connor ask, "What is it?" Afterward, Roger helps a homeowner build a new patio using concrete paving bricks.

  • S06E03 Toilet Flange and Plaster Repair

    • October 18, 2007
    • PBS

    Plumbing and heating expert Richard Trethewey helps a homeowner replace a broken cast-iron "closet flange" for a toilet. Then Richard, along with landscape contractor Roger Cook, general contractor Tom Silva and host Kevin O'Connor ask, "What is it?" Afterward, Tom helps a homeowner repair a cracked plaster wall using a new type of adhesive system. Back in the loft, Roger shares a tip from a viewer about digging holes.

  • S06E04 Flood Prevention; Foundation Plants; Epoxy Repairs

    • October 24, 2007
    • PBS

    Up in the loft, plumbing and heating expert Richard Trethewey shows host Kevin O'Connor a few devices for preventing plumbing floods in the home. Then, Roger helps a pair of homeowners remove some overgrown shrubs and replace them with appropriate "foundation plantings." Then Richard and Roger, along with general contractor Tom Silva and host Kevin O'Connor ask, "What is it?" Then, Tom shows Kevin how to repair a rotted windowsill using a two-part epoxy.

  • S06E05 Disposers; Exterior Paint Stripping; Cutting Joists

    • November 1, 2007
    • PBS

    Plumbing and heating expert Richard Trethewey helps a pair of homeowners with a jammed kitchen garbage disposer. Then Richard, along with host Kevin O'Connor, general contractor Tom Silva and landscape contractor Roger Cook ask, "What is it?" Then, Kevin learns from a painting expert how to remove exterior paint from cedar siding. Back in the loft, Tom and Richard show Kevin the do's and don'ts of cutting holes and notches in joists.

  • S06E06 Tree Removal; Door Trim

    • November 8, 2007
    • PBS

    Landscape contractor Roger Cook and arborist Matt Foti help a homeowner remove an old tree that threatens to fall on her house. Then Roger, along with host Kevin O'Connor, plumbing and heating expert Richard Trethewey and general contractor Tom Silva ask, "What is it?" Then Tom helps a homeowner bring some character into a room by installing wood trim around a plain doorway.

  • S06E07 Home Energy Savings

    • November 15, 2007
    • PBS

    In this special episode, the crew demonstrates several ways to save energy at home. First, general contractor Tom Silva helps a homeowner select and install energy-efficient "replacement" windows. Up in the loft, plumbing and heating expert Richard Trethewey shows host Kevin O'Connor a few ways to reduce the energy needed for heating water. Then, Kevin and an energy auditor visit a home and discuss how to improve the heating and air conditioning system and reduce electrical consumption.

  • S06E08 Play Area; Space Heaters; Bath Fan

    • November 22, 2007
    • PBS

    Landscape contractor Roger Cook helps a young couple transform a muddy backyard into a low-maintenance play area for their two children. Then, up in the loft, plumbing and heating expert Richard Trethewey shows host Kevin O'Connor several different types of portable space heaters and offers suggestions on how to choose the right one. Then Roger, Kevin and Richard are joined by general contractor Tom Silva for the regular "What is it?" segment. Afterward, Tom helps a homeowner with a bathroom fan that drips water down into the room.

  • S06E09 Christmas Trees; Caulking a Window

    • November 29, 2007
    • PBS

    Landscape contractor Roger Cook is on a special mission to pick the perfect Christmas tree at a local tree farm. Later, up in the loft, Roger shares a few tips for keeping Christmas trees healthy throughout the holiday season. Then Roger, host Kevin O'Connor, plumbing and heating expert Richard Trethewey and general contractor Tom Silva try to answer the question, "What is it?" Afterward, Tom heads to Florida to show a homeowner the proper way to caulk a leaky window.

  • S06E10 Roof Runoff; Refinishing Hardwood Floors

    • December 6, 2007
    • PBS

    Landscape contractor Roger Cook shows a homeowner in Portland, Oregon an innovative way to handle storm-water runoff from her roof. Later, Roger is joined in the loft by host Kevin O'Connor, general contractor Tom Silva and plumbing and heating expert Richard Trethewey to answer the question, "What is it?" Then, Tom shows a homeowner how to refinish her hardwood floors.

  • S06E11 Cracked Flagstone; Replacing an Electric Range

    • December 13, 2007
    • PBS

    Landscape contractor Roger Cook replaces the cracked flagstone on a set of front steps with bluestone. Roger, along with host Kevin O'Connor, general contractor Tom Silva, and plumbing and heating expert Richard Trethewey ask, "What is it?" Then, Richard visits a serious cook and helps her replace her old electric stove with a new gas range.

  • S06E12 Grading; Inside Walls; Bathtub Stopper

    • December 20, 2007
    • PBS

    Landscape contractor Roger Cook shows host Kevin O'Connor several different ways to determine the grade, or pitch, of a landscape. Then, back in the loft, Roger and Kevin, along with general contractor Tom Silva and plumbing and heating expert Richard Trethewey ask, "What is it?" Then, Tom and Richard show Kevin different ways to "see" what's inside a wall. Finally, Richard helps a homeowner repair a bathtub that won't hold water.

  • S06E13 Vinyl Fence; Garage Floor Epoxy

    • December 27, 2007
    • PBS

    Landscape contractor Roger Cook helps a homeowner install a new vinyl fence. Then host Kevin O'Connor heads to Omaha, Nebraska, where he helps install a protective epoxy coating on a homeowner's garage floor.

  • S06E14 Radiator Control Valves; Refrigerator Install

    • January 3, 2008
    • PBS

    Plumbing and heating expert Richard Trethewey helps a homeowner control the temperature of her radiators, which are overheating the rooms upstairs. Then Richard, along with host Kevin O'Connor, general contractor Tom Silva and landscape contractor Roger Cook ask, "What is it?" Then, Tom helps a homeowner squeeze a new refrigerator into an opening that's just a little too small. Finally, Roger shares a tip from a viewer on how to tame a tangle of bungee cords.

  • S06E15 Dishwasher Smells; Rose Bush; Saw Blade

    • January 10, 2008
    • PBS

    Plumbing and heating expert Richard Trethewey helps a homeowner with a smelly dishwasher. Then Richard, along with landscape contractor Roger Cook, host Kevin O'Connor and general contractor Tom Silva ask, "What is it?" Roger heads to Iowa to help a homeowner transplant a rose bush. Afterward, up in the loft, Tom shows Kevin the proper way to change a circular saw blade.

  • S06E16 Skylight; 3-Way Light Switch

    • January 17, 2008
    • PBS

    General contractor Tom Silva helps a homeowner replace a skylight that is leaking water down into the kitchen below. Then Tom, along with host Kevin O'Connor, plumbing and heating expert Richard Trethewey, and landscape contractor Roger Cook ask, "What is it?" Afterward, electrician Peg Preble shows Kevin how to troubleshoot and repair a faulty 3-way light switch.

  • S06E17 Soil Test; Water Supply Pipes

    • January 24, 2008
    • PBS

    Landscape contractor Roger Cook heads to Oregon to help a homeowner improve her lawn, starting with a simple soil test. Next, Roger, along with host Kevin O'Connor, general contractor Tom Silva and plumbing and heating expert Richard Trethewey ask, "What is it?" Then, Richard and Kevin visit a local home center to identify several different types of water supply pipes.

  • S06E18 Water Softening; Fiber-Cement Siding

    • January 31, 2008
    • PBS

    Plumbing and heating expert Richard Trethewey heads to Phoenix, Arizona to help a pair of homeowners install a new water softening system. Then, general contractor Tom Silva shows a homeowner how to install fiber-cement shingles on his new backyard shed.

  • S06E19 Attic Insulation; Landscape Lighting; Kitchen Faucet

    • February 7, 2008
    • PBS

    General contractor Tom Silva shows a homeowner how to save energy and money by increasing the insulation in his attic. Then, landscape contractor Roger Cook makes a dark walkway safer by adding low-voltage landscape lighting. Afterward, plumbing and heating expert Richard Trethewey helps a homeowner replace her old kitchen faucet.

  • S06E20 Kids Show; Soccer Goal; Stilts; Sandbox

    • February 14, 2008
    • PBS

    In this special episode devoted to projects for kids, plumbing and heating expert Richard Trethewey shows two kids how to build a soccer goal using PVC plumbing pipes. Next, up in the loft, general contractor Tom Silva demonstrates how to build a pair of stilts. Then, landscape contractor Roger Cook shows a family how to build a sandbox and make replicas of fossils.

  • S06E21 Mortise Lockset; Pellet Stove; Gas-Free Lawn Mowers

    • February 21, 2008
    • PBS

    General contractor Tom Silva demonstrates how to install an old mortise lockset on a new door. Afterwards, plumbing and heating expert Richard Trethewey helps a homeowner install a pellet stove to provide supplemental heat during the cold winter months. Back in the loft, landscape contractor Roger Cook shows host Kevin O'Connor several different types of lawn mowers that do not require gasoline.

  • S06E22 Granite Steps; Deadbolt Locks; Pipe Repair

    • February 28, 2008
    • PBS

    Landscape contractor Roger Cook replaces a set of rotten wooden stairs with new steps made of granite. Back in the loft, host Kevin O'Connor shows general contractor Tom Silva the latest technology for deadbolt locks. Afterward, Richard travels to Raleigh, North Carolina to help a homeowner replace the leaky polybutylene pipes throughout his house.

  • S06E23 Lawn Over-Seeding; Home Sale; Ceiling Leak

    • March 6, 2008
    • PBS

    Landscape contractor Roger Cook shows host Kevin O'Connor how to improve a lawn using a "slice seeder." Next, plumbing contractor Richard Trethewey and general contractor Tom Silva share a tip from a viewer on how to drive a nail in a tight spot. Afterward, Kevin is joined in the loft by a real estate specialist for some tips on preparing a home for sale. Finally, Richard visits a homeowner to help fix a water leak in her living room ceiling.

  • S06E24 Life and Work of Tile Expert Joe Ferrante

    • March 13, 2008
    • PBS

    This special episode is dedicated to the life and work of tile expert Joe Ferrante. Joe worked on many projects for This Old House and Ask This Old House over 20 years. This episode begins with Joe helping a homeowner replace a broken bathroom tile with a new tile that matches the existing color. Next, up in the loft, Joe shows host Kevin O'Connor some different ways to cut ceramic and stone tile using both hand and power tools. Finally, Joe helps another homeowner install a kitchen backsplash using translucent glass tile.

  • S06E25 Pressure Reducing Valve; Grass; Cabinet Crown Molding

    • March 20, 2008
    • PBS

    Plumbing and heating expert Richard Trethewey helps a homeowner with very high water pressure by installing a "pressure reducing valve." Next, landscape contractor Roger Cook is joined in the loft by turf expert Mary Owen to discuss which types of grass are appropriate for certain climates and conditions. Then Roger and Richard, along with host Kevin O'Connor and general contractor Tom Silva ask, "What is it?" Afterward, Tom helps a homeowner who ran into a problem while installing crown molding on his kitchen cabinets.

  • S06E26 Toilet Tank; Watering a Lawn; Bookcase

    • March 27, 2008
    • PBS

    Up in the loft, plumbing and heating expert Richard Trethewey shows host Kevin O'Connor how to replace all the parts inside a typical toilet tank. Next, landscape contractor Roger Cook and Kevin head outside for a look at different types of above-ground sprinklers and some basic tips on watering a lawn. Finally, back in the loft, Tom shows Kevin how to build a very simple but elegant bookcase using plywood and portable power tools.

Season 7

  • S07E01 Collapsing Garage Roof; Installing a Dry Well

    • October 2, 2008
    • PBS

    Ask This Old House kicks off its 7th season on PBS. General contractor Tom Silva prevents a garage roof from collapsing by replacing a rotting support post. Then Tom, along with host Kevin O'Connor, landscaping contractor Roger Cook and plumbing and heating expert Richard Trethewey ask, "What is it?" Then, Roger helps two homeowners dry out their basement by installing a dry well to handle discharge from their sump pump.

  • S07E02 Mature Tree; Noisy Heating System

    • October 9, 2008
    • PBS

    Landscaping contractor Roger Cook shows a pair of homeowners how to transplant a large, mature tree to their front yard. Then Roger, along with host Kevin O'Connor, plumbing and heating expert Richard Trethewey and general contractor Tom Silva ask, "What is it?" Then, Richard helps two homeowners sleep better at night by quieting their noisy heating system.

  • S07E03 Pendant Lighting; Care for Succulents

    • October 16, 2008
    • PBS

    Host Kevin O'Connor travels to Nashville, Tennessee, where he helps a pair of homeowners brighten up their kitchen with some new pendant lighting. Then, up in the loft, houseplant expert Carrie Kelly shows Roger how to care for cactus plants and other succulents.

  • S07E04 Damaged Lawn; Curved Stair Molding

    • October 23, 2008
    • PBS

    Landscaping contractor Roger Cook helps two homeowners repair the damage done to their lawn when a new well was installed. Then Roger, along with general contractor Tom Silva, plumbing and heating expert Richard Trethewey, and host Kevin O'Connor ask, "What is it?" Then, Tom shows a homeowner how to make a piece of curved stair molding with some red oak and a few simple power tools.

  • S07E05 Increasing Water Pressure; Transplanting a Bush

    • October 30, 2008
    • PBS

    Landscaping contractor Roger Cook helps a homeowner transplant a giant Rhododendron bush. Then Roger, along with plumbing and heating expert Richard Trethewey, general contractor Tom Silva, and host Kevin O’Connor ask, "What is it?" Then, Richard helps a homeowner increase his water pressure with an electric water pressure booster.

  • S07E06 Laminate Countertops; Brick Walkway; Furnace Filters

    • November 6, 2008
    • PBS

    Up in the loft, general contractor Tom Silva shows host Kevin O’Connor how to repair damaged laminate countertops. Then, landscape contractor Roger Cook helps a homeowner rebuild a brick walkway. Then Tom, Kevin, Roger, and plumbing and heating expert Richard Trethewey ask, "What is it?" Then Richard shows Kevin several different types of filters for forced-air heating and cooling systems.

  • S07E07 Reducing Heating Costs; Using a Whole House Fan

    • November 13, 2008
    • PBS

    This episode has many tips for making your home more energy efficient. First, general contractor Tom Silva shows several different ways to seal the openings around doors, windows, and other penetrations in the shell of a house. Next, plumbing and heating expert Richard Trethewey helps a homeowner reduce his heating costs by installing a weather-responsive control on his boiler. Then, landscape contractor Roger Cook shares some tips on reducing energy costs. Finally, Tom helps a homeowner keep things cool with a whole house fan.

  • S07E08 Waterproofing System; Installing a Privacy Screen

    • November 20, 2008
    • PBS

    General contractor Tom Silva helps a homeowner prepare a shower enclosure for tile using a new type of waterproofing system. Then Tom, along with host Kevin O'Connor, plumbing and heating expert Richard Trethewey, and landscaping contractor Roger Cook ask, "What is it?" Then, Roger helps two homeowners install a privacy screen using bushes and a decorative flower garden.

  • S07E09 Building a Retaining Wall; Loud Faucet

    • November 27, 2008
    • PBS

    Landscaping contractor Roger Cook helps a pair of homeowners build a retaining wall using pressure-treated timbers. Afterward, Roger, along with general contractor Tom Silva, plumbing and heating expert Richard Trethewey and host Kevin O'Connor ask, "What is it?" Then, Richard has an easy fix for a kitchen faucet that is making a loud, shuddering sound.

  • S07E10 Whole-House Water Filter; Repairing a Roof

    • December 4, 2008
    • PBS

    Plumbing & heating expert Richard Trethewey heads to Indianapolis to help a pair of homeowners install a whole-house water filter. Then Richard, along with general contractor Tom Silva, landscaping contractor Roger Cook, and host Kevin O'Connor ask, "What is it?" Then Tom helps a homeowner repair a hole in a rubber roof and Richard shares a viewer tip for cutting PVC pipe without a saw.

  • S07E11 Repairing a Deck; Hydrangea Bush

    • December 11, 2008
    • PBS

    General contractor Tom Silva helps a homeowner repair a very dangerous deck. Then Tom, along with landscaping contractor Roger Cook, plumbing & heating expert Richard Trethewey and host Kevin O'Connor ask, "What is it?" Then, Roger helps a homeowner with a hydrangea bush that won't flower.

  • S07E12 Removing a Boulder; Securing Loose Pipes

    • December 18, 2008
    • PBS

    Landscaping contractor Roger Cook helps a pair of homeowners break apart and remove a large boulder in their backyard. Then Roger, along with host Kevin O'Connor, plumbing & heating expert Richard Trethewey and general contractor Tom Silva ask, "What is it?" Next, Richard helps two homeowners secure their loose pipes inside a shower wall and Tom shares a viewer tip about getting a secure grip on a hammer.

  • S07E13 Energy-Efficient Water Heater; Leveling a Concrete Walkway

    • December 27, 2008
    • PBS

    Plumbing & heating expert Richard Trethewey and host Kevin O'Connor replace an old tank-type water heater with a new, energy-efficient "tankless" unit fueled by propane. Then Richard and Kevin, along with landscaping contractor Roger Cook and general contractor Tom Silva ask, "What is it?" Then, Roger helps a homeowner level his sagging concrete walkway using a method called "mudjacking," and Tom shares a viewer tip for removing hammer dents from a piece of wood.

  • S07E14 Backyard Gate; Basement Window; Using Expanding Foam

    • January 1, 2009
    • PBS

    Landscaping contractor Roger Cook helps a homeowner in Charleston, South Carolina fix a sagging wooden gate. Then Roger, along with plumbing and heating expert Richard Trethewey, host Kevin O'Connor, and general contractor Tom Silva ask, "What is it?" Then, Tom helps a homeowner replace his drafty old basement windows with new energy-efficient ones. Later, up in the loft, Tom and Richard discuss how to properly use different types of liquid foam insulation to prevent drafts.

  • S07E15 Painting Kitchen Cabinets; Installing Cabinet Accessories

    • January 8, 2009
    • PBS

    This special episode is dedicated to making the most out of your existing kitchen cabinets. First, host Kevin O'Connor and expert painter Rich O'Neil show a homeowner how to prepare and paint her oak kitchen cabinets. Next, general contractor Tom Silva visits a pair of Connecticut homeowners in need of some organization solutions for their cramped, cluttered cabinets.

  • S07E16 Bathtub Conversion; Wood Fill; Solar-Powered Fountain

    • January 15, 2009
    • PBS

    Plumbing and heating expert Richard Trethewey helps a homeowner convert a claw foot bathtub into a shower. Then Richard, along with host Kevin O'Connor, general contractor Tom Silva and landscape contractor Roger Cook ask, "What is it?" Later, Tom shows Kevin how to use different types of "fillers" for both wood and PVC trim. Then Roger helps a homeowner install a solar-powered fountain in her yard.

  • S07E17 Staining a Deck; Preventing Sewage Backups

    • January 22, 2009
    • PBS

    General contractor Tom Silva helps a homeowner clean, stain and seal his mahogany backyard deck. Then Tom, along with host Kevin O'Connor, plumbing and heating expert Richard Trethewey and landscape contractor Roger Cook ask, "What is it?" Kevin makes a House call to Chicago to help a homeowner prevent sewage backup in her basement by replacing her flood control system. In the Ask This Old House loft, Tom and Richard share a viewer tip on how to remove a wood plug from a hole saw.

  • S07E18 Tree Pruning; Installing a Shower Mixing Valve

    • January 29, 2009
    • PBS

    Landscape contractor Roger Cook shows a homeowner how to prune her neglected crabapple tree properly. Then Roger, along with host Kevin O'Connor, general contractor Tom Silva and plumbing and heating expert Richard Trethewey ask, "What is it?" Later, Richard helps a homeowner install a new "anti-scald" shower-mixing valve.

  • S07E19 Banging Pipes; Installing Fiberglass Door

    • February 5, 2009
    • PBS

    Plumbing and heating expert Richard Trethewey helps a homeowner quiet his banging pipes by installing a water hammer shock suppressor. Then Richard, along with host Kevin O'Connor, general contractor Tom Silva and landscaping contractor Roger Cook ask, "What is it?" Then, Tom and Kevin show how to install a pre-hung fiberglass exterior door.

  • S07E20 Kids Projects; Vegetable Garden; Mini-Golf; Rocket Launcher

    • February 12, 2009
    • PBS

    Our annual "kids" episode features family-friendly projects that parents and kids can build together! First, landscaping contractor Roger Cook helps a 12-year-old budding master gardener build a raised bed for growing vegetables. Then, up in the loft, general contractor Tom Silva and plumbing and heating expert Richard Trethewey, with the help of several kids, build a miniature indoor golf course. Next, Kevin and a middle school teacher show some eager students how to build a model rocket launcher using commonly available household and hardware store items.

  • S07E21 Water Saving Toilet; In-Ground Sprinkler System

    • February 19, 2009
    • PBS

    Plumbing and heating expert Richard Trethewey helps a homeowner install a new "dual flush" water-saving toilet. Then Richard, along with host Kevin O'Connor, landscaping contractor Roger Cook and general contractor Tom Silva ask, "What is it?" Next, Roger and Kevin head outside to install an in-ground sprinkler system that any homeowner can install.

  • S07E22 Heating & Cooling System Controller; Re-Grout Tile Floor

    • February 26, 2009
    • PBS

    Plumbing and heating expert Richard Trethewey helps a California homeowner install a new type of "zoning" control for her forced-air heating and cooling system. Then Richard, along with landscaping contractor Roger Cook, host Kevin O'Connor and general contractor Tom Silva ask, "What is it?" Next, Tom helps a homeowner re-grout the tile floor in her master bathroom.

  • S07E23 Basement Wallboards; Tying Knots; Storm-Damaged Trees

    • March 7, 2009
    • PBS

    General contractor Tom Silva helps a homeowner prepare his concrete basement walls for finished wallboard. Then, up in the loft, plumbing and heating expert Richard Trethewey shows host Kevin O'Connor how to tie a few basic knots. Next, Tom, Kevin and Richard, along with landscaping contractor Roger Cook ask, "What is it?" Then, Roger and certified arborist Matt Foti demonstrate how to care for storm-damaged trees.

  • S07E24 Garage Door Installation; Preventing Frozen Pipes

    • March 12, 2009
    • PBS

    General contractor Tom Silva helps a homeowner install a new garage door. Then plumbing and heating expert Richard Trethewey shows a homeowner how to "winterize" his plumbing to prevent frozen pipes when the house is unoccupied.

  • S07E25 Ventilation Fan Installation; Chemical Free Lawn Care

    • March 21, 2009
    • PBS

    Kevin O'Connor and electrician Brian Bergeron help a homeowner install a new ventilation fan in her bathroom. Tom, Kevin O'Connor, and Richard Trethewey examine an unfamiliar object and try to guess how it is used. Roger Cooks show two homeowners how to care for their lawn without using pesticides or chemicals. He obtains a soil test before performing work on the lawn, then he spreads lawn fertilizer with chicken manure as the primary ingredient and uses grass seed enhanced with fungal endophytes.

  • S07E26 Leaky PVC Drain Trap; Installing Bamboo Flooring

    • March 28, 2009
    • PBS

    This episode demonstrates how to repair a leaking PVC drain trap under a kitchen sink, how to install a bamboo "floating" floor in a basement, and how to clean roof gutters without a ladder.

Season 8

  • S08E01 Campfire Pit; Installing Range Hood & Microwave Oven

    • October 8, 2009
    • PBS

    Landscaping contractor Roger Cook kicks off our 8th season by helping a homeowner build a cozy campfire pit in her backyard. Then Roger, along with general contractor Tom Silva, plumbing and heating expert Richard Trethewey and host Kevin O'Connor ask, "What is it?" Afterward, Tom helps a homeowner install a combination range hood and microwave oven over her kitchen stovetop.

  • S08E02 Home Intercom System; Energy-Efficient Fireplace

    • October 15, 2009
    • PBS

    Host Kevin O'Connor teams up with an electrician to install a home intercom system. Then Kevin, along with plumbing and heating expert Richard Trethewey, landscaping contractor Roger Cook and general contractor Tom Silva ask, "What is it?" Next, Richard helps a homeowner make a wood-burning fireplace cleaner and more energy efficient by installing a gas-burning insert.

  • S08E03 Outdoor Living Space; Installing Fiber Cement Siding

    • October 22, 2009
    • PBS

    Landscaping contractor Roger Cook travels to Baltimore, where he helps transform a small urban backyard into a pleasant outdoor living space. Then Roger, along with general contractor Tom Silva, host Kevin O'Connor, and plumbing and heating expert Richard Trethewey ask, "What is it?" Afterward, up in the loft, Tom shows Kevin some new ways to install fiber cement siding without creating a lot of dust.

  • S08E04 Aluminum Gutters; Energy-Efficient Washer & Dryer

    • October 29, 2009
    • PBS

    General contractor Tom Silva helps a homeowner install new aluminum gutters and downspouts. Then Tom, along with host Kevin O'Connor, plumbing and heating expert Richard Trethewey and landscaping contractor Roger Cook ask, "What is it?" Afterward, Richard helps a homeowner install a new energy-efficient clothes washer and dryer.

  • S08E05 Sliding Glass Door Installation

    • November 5, 2009
    • PBS

    General contractor Tom Silva helps a pair of homeowners install a new siding glass door. Afterward, Tom, along with host Kevin O'Connor, landscaping contractor Roger Cook and plumbing and heating expert Richard Trethewey ask, "What is it?"

  • S08E06 Container Gardening; Installing Rooftop Antennas

    • November 12, 2009
    • PBS

    Landscaping contractor Roger Cook joins plant expert Carrie Kelly at a nursery to learn about container gardening. Then, up in the loft, general contractor Tom Silva and host Kevin O'Connor discuss different types of flooring, including solid wood, engineered wood, ceramic tile, vinyl, and linoleum. Next, Kevin and a television antenna expert help a homeowner install a new rooftop antenna for his digital TV.

  • S08E07 Weather Stripping; Energy-Efficiency Tips & Analysis

    • November 19, 2009
    • PBS

    It begins with general contractor Tom Silva helping a homeowner seal out drafts by installing weather-stripping on her front door. Then, up in the loft, host Kevin O'Connor is joined by residential energy expert Paul Scheckel to discuss several ways to monitor and save electricity. Next, plumbing and heating expert Richard Trethewey helps a homeowner determine the proper size for a new heating system by performing a comprehensive heat-loss analysis.

  • S08E08 Basic Picnic Table; Installing a Utility Sink

    • November 26, 2009
    • PBS

    General contractor Tom Silva and host Kevin O'Connor head outside the barn to build a basic picnic table using common framing lumber. Then, Tom and Kevin, along with plumbing and heating expert Richard Trethewey and landscaping contractor Roger Cook ask, "What is it?" Then Richard helps a homeowner install a new utility sink in a basement laundry area.

  • S08E09 Organic Lawn Care; Re-Routing a Bathroom Fan

    • December 3, 2009
    • PBS

    Landscaping contractor Roger Cook visits Harvard University to learn about their new organic lawn-care program and shows host Kevin O'Connor how to make his own "compost tea." Then, Roger and Kevin, along with general contractor Tom Silva and plumbing and heating expert Richard Trethewey ask, "What is it?" Afterward, Tom helps a homeowner prevent mildew in his attic by re-routing a bathroom fan that was improperly vented near a soffit.

  • S08E10 Stone Veneer Installation; Retrofitting HVAC Ducts

    • December 10, 2009
    • PBS

    Landscaping contractor Roger Cook helps a homeowner install stone veneer over an ugly concrete retaining wall. Then Roger, along with host Kevin O'Connor, plumbing and heating expert Richard Trethewey and general contractor Tom Silva ask, "What is it?" Then, up in the loft, Richard shows Kevin how to retrofit dampers in forced-air HVAC ducts. Next, Tom shares a viewer tip about how to get the most from your can of insulating foam.

  • S08E11 Laminate Kitchen Countertops; Installing Steel Edging

    • December 17, 2009
    • PBS

    General contractor Tom Silva and host Kevin O'Connor show how to build and install new laminate kitchen countertops. Then Tom and Kevin, along with landscaping contractor Roger Cook and plumbing and heating expert Richard Trethewey ask, "What is it?" Next, Roger helps a homeowner create a clean border between a garden bed and a lawn using steel edging.

  • S08E12 Concealing Retaining Walls; Quieting PVC Plumbing Vents

    • December 24, 2009
    • PBS

    Landscaping contractor Roger Cook helps a pair of homeowners improve the appearance of an unsightly concrete retaining wall with wooden lattice and climbing vines. Then Roger, along with plumbing and heating expert Richard Trethewey, general contractor Tom Silva, and host Kevin O'Connor ask, "What is it?" Next, up in the loft, Tom shows Kevin how to flash a newly-installed window properly. Then, Richard helps a homeowner quiet a noisy PVC plumbing vent in her attic.

  • S08E13 Broken Water Softener; Preventing Deer Damage in Gardens

    • January 2, 2010
    • PBS

    Plumbing and heating expert Richard Trethewey heads to Tampa, Florida to help two homeowners repair their broken water softener. Then Richard, along with host Kevin O'Connor, landscaping contractor Roger Cook, and general contractor Tom Silva ask, "What is it?" Next, Roger helps a homeowner repair and prevent deer damage to one of his evergreen trees. Then, up in the loft, Tom shares a viewer tip on how to reduce airborne dust while sanding.

  • S08E14 Mantel and Hearth; Rejuvenating Baseboard Radiator

    • January 9, 2010
    • PBS

    General contractor Tom Silva helps a homeowner dress up an old fireplace by installing a new mantle and marble hearth. Then Tom, along with host Kevin O'C'onnor, landscaping contractor Roger Cook and plumbing and heating expert Richard Trethewey ask, "What is it?" Afterward, Richard shows Kevin a few ways to improve the appearance of old baseboard heaters.

  • S08E15 Bathroom Installations; Comparing Wall Insulation

    • January 16, 2010
    • PBS

    Plumbing and heating expert Richard Trethewey helps a homeowner update the look of her bathroom by installing a new vanity cabinet, countertop, and sink. Then Richard, along with general contractor Tom Silva, landscaping contractor Roger Cook, and host Kevin O'Connor ask, "What is it?" Afterward, Tom and Kevin discuss several different types of wall insulation and how each is installed.

  • S08E16 Conserving Rainwater; Removing an Interior Wall

    • January 23, 2010
    • PBS

    Landscaping contractor Roger Cook helps a homeowner conserve water by installing an innovative rainwater collection system. Then Roger, along with host Kevin O'Connor, plumbing and heating expert Richard Trethewey, and general contractor Tom Silva ask, "What is it?" Then Tom helps a pair of homeowners connect two rooms in their home by removing an interior load-bearing wall.

  • S08E17 Ductless Air Conditioning; Eliminating Ceiling Leaks

    • January 30, 2010
    • PBS

    Plumbing and heating expert Richard Trethewey heads to Tampa, Florida to help a homeowner cool off his garage workshop with a ductless air conditioning system. Then Richard, along with landscaping contractor Roger Cook, host Kevin O'Connor, and general contractor Tom Silva ask, "What is it?" Afterward, Tom helps a homeowner eliminate a mysterious leak in her living room ceiling.

  • S08E18 Crown Molding; Replacing Rotting Fence Posts

    • February 6, 2010
    • PBS

    General contractor Tom Silva helps a pair of homeowners in Houston, Texas install crown molding in their bedroom using an innovative fastening system. Then Tom, along with host Kevin O'Connor, landscaping contractor Roger Cook, and plumbing and heating expert Richard Trethewey ask, "What is it?" Afterward, Roger and Kevin head outside to replace a rotting cedar fence post.

  • S08E19 Protective Furniture Finish; Winterizing Outdoor Gardens

    • February 13, 2010
    • PBS

    General contractor Tom Silva helps a homeowner replace the broken sash locks on his vinyl windows. Then, up in the loft, host Kevin O'Connor gets some tips on staining furniture and applying protective finishes from finishing expert Bruce Johnson. Afterward, landscaping contractor Roger Cook helps a homeowner protect her plants from the ravages of winter.

  • S08E20 Remodeling Kitchen Area; Improving Drainage in Planters

    • February 20, 2010
    • PBS

    Plumbing and heating expert Richard Trethewey and general contractor Tom Silva head to Detroit to help a homeowner remodel her kitchen with new appliances, countertops, a backsplash, and even the kitchen sink! Then, landscaping contractor Roger Cook shares a viewer tip with host Kevin O'Connor on how to improve drainage in the bottom of a flower pot.

  • S08E21 Energy-Efficient Water Heaters; Propane-Fueled Mosquito Traps

    • February 27, 2010
    • PBS

    Host Kevin O'Connor and plumbing and heating expert Richard Trethewey head to Virginia to help a homeowner replace his old, electric water heater with a heat pump water heater that uses much less electricity. Then, up in the loft, Richard and Kevin, along with general contractor Tom Silva and landscaping contractor Roger Cook ask, "What is it?" Afterward, Roger and Kevin discuss propane-fueled mosquito traps and how to keep them working properly. Then Tom helps a homeowner install exterior trim against a very uneven stone chimney.

  • S08E22 Reviving a Damaged Lawn; Unclogging Kitchen Sink Drains

    • March 6, 2010
    • PBS

    Roger Cook helps a homeowner repair portions of his lawn that have been damaged by snow mold, which is a fungal disease that can occur in winter from excess moisture and fertilizer. Tom Silva shows Kevin O'Connor how to build a simple utility cart out of plywood. Richard Trethewey helps a homeowner fix a clogged kitchen sink drain by replacing the PVC fitting with a metal one, which did not have a diverter.

  • S08E23 Using String Trimmers; Stripping Dangerous Lead Paint

    • March 13, 2010
    • PBS

    Roger Cook shows a homeowner how to use and maintain string trimmers for a variety of landscaping chores. Tom Silva and Kevin O'Connor discuss different types of woodworking clamps and their uses. Tom also shows how rubber surgical tubing and rubber bands can be used as clamps when only light pressure is needed. In the Ask This Old House loft, Tom, Richard, Roger and Kevin examine an unfamiliar object and try to guess how it is used. Kevin and a remediation team help a homeowner remove lead paint from her old house by using hand scrapers and chemical strippers.

  • S08E24 Attracting Different Bird Species; Dual-Flush Toilet Valves

    • March 20, 2010
    • PBS

    Roger Cook visits a nature center to learn how to attract many different species of birds using different types of bird feeders and birdseed. Tom Silva and Kevin O'Connor visit a home center to identify various types of interior moldings and their uses. In the Ask This Old House loft, Tom, Richard, Roger and Kevin examine an unfamiliar object and try to guess how it is used. Richard helps a homeowner conserve water by installing a new type of dual-flush valve in his existing toilet.

  • S08E25 Repairing Newel Posts; Cutting Rigid Pipes

    • March 27, 2010
    • PBS

    Tom Silva helps a homeowner repair a wobbly newel post at the bottom of a staircase. In the Ask This Old House loft, Richard Trethewey shows Kevin O'Connor various methods for cutting rigid pipes and flexible tubing. Roger Cook visits an arboretum to learn how to reproduce plant specimens from cuttings and by grafting.

  • S08E26 Replacing an Outdoor Faucet; Sharpening Lawn Mower Blades

    • April 3, 2010
    • PBS

    Plumbing and heating expert Richard Trethewey helps a homeowner replace his leaky outdoor faucet. Then, up in the loft, landscaping contractor Roger Cook shows host Kevin O'Connor how to sharpen a lawn mower blade properly. Afterward, Richard, Roger, and Kevin, along with general contractor Tom Silva ask, "What is it?" Then Tom and Kevin build custom shelving for a walk-in closet.

Season 9

  • S09E01 Water and Drain Lines for a Sink; Rescuing Improperly Planted Trees

    • October 7, 2010
    • PBS

    Plumbing and heating expert Richard Trethewey kicks off the 9th season of Ask This Old House by helping a homeowner in Canada install a new kitchen sink. Then, up in the loft, general contractor Tom Silva shows host Kevin O'Connor some tools that no home workshop should be without. Then, landscaping contractor Roger Cook and arborist Matt Foti rescue a tree from "volcano mulching."

  • S09E02 Balusters an a Staircase; Laying a Stone Footpath

    • October 14, 2010
    • PBS

    General contractor Tom Silva helps a homeowner install balusters on his new staircase. Then Tom, along with host Kevin O'Connor, plumbing and heating expert Richard Trethewey, and landscaping contractor Roger Cook ask, "What is it?" Then, Roger helps a homeowner install a new stone footpath.

  • S09E03 Attic Storage Space; Repairing a Broken Doorbell

    • October 21, 2010
    • PBS

    General contractor Tom Silva helps a homeowner find additional storage space by creating a new doorway into an unused attic. Then Tom, along with landscaping contractor Roger Cook, host Kevin O'Connor, and plumbing and heating expert Richard Trethewey ask, "What is it?" Afterward, Richard shares a viewer tip on how to create a faucet wrench from a standard PVC pipe. Then, Kevin and an electrician help a homeowner repair a broken doorbell.

  • S09E04 Repairing a Rotted Windowsill; Installing an Outdoor Faucet

    • October 28, 2010
    • PBS

    General contractor Tom Silva helps a homeowner repair a rotted windowsill. Then Tom, along with host Kevin O'Connor, landscaping contractor Roger Cook, and plumbing and heating expert Richard Trethewey ask, "What is it?" Then, Roger shows Kevin a few gardening tools designed for people with limited mobility. Afterward, Richard helps a homeowner install an outdoor faucet.

  • S09E05 Wheelchair Accessible Raised Garden Bed; Fixing a Leaky Roof

    • November 4, 2010
    • PBS

    Landscaping contractor Roger Cook builds a raised garden bed that is accessible by wheelchair. Then, general contractor Tom Silva shows a homeowner how to repair a leak in his roof caused by a worn-out plumbing vent gasket.

  • S09E06 Choosing Groundcover; Installing Hydronic Baseboard Heaters

    • November 11, 2010
    • PBS

    Landscaping contractor Roger Cook and plant expert Carrie Kelly discuss different types of groundcover. Then, plumbing and heating expert Richard Trethewey helps a homeowner warm up her cold living room by installing new hydronic baseboard heaters. Afterward, back at the workshop, general contractor Tom Silva shows host Kevin O'Connor a new product that makes it easier to mark and cut openings for electrical outlets in wallboard.

  • S09E07 Circular Patio and Fire Pit; Repairing Brick Stairs

    • November 18, 2010
    • PBS

    Landscaping contractor Roger Cook heads to Fargo, North Dakota, where he and a local crew help a homeowner build a new circular patio and fire pit. Then Roger, along with host Kevin O'Connor, general contractor Tom Silva, and plumbing and heating expert Richard Trethewey ask, "What is it?" Then, Tom and Kevin head outside to repair a set of brick stairs.

  • S09E08 Energy-Efficient Storm Door; Cutting and Soldering Copper Pipes

    • November 25, 2010
    • PBS

    General contractor Tom Silva helps a homeowner install a new energy-efficient storm door. Then, up in the loft, plumbing and heating expert Richard Trethewey shows host Kevin O'Connor how to cut and solder copper plumbing pipes and fittings. Then, landscaping contractor Roger Cook helps a homeowner reduce the size of an overgrown privet hedge.

  • S09E09 Uneven Stone Patio; Repainting a Rusty Bulkhead Door

    • December 2, 2010
    • PBS

    Landscaping contractor Roger Cook helps a homeowner repair an uneven stone patio. Then Roger, along with host Kevin O'Connor, general contractor Tom Silva, and plumbing and heating expert Richard Trethewey ask, "What is it?" Then, Kevin and painting contractor Mauro Henrique help a homeowner repaint a rusty metal bulkhead door.

  • S09E10 Hot Water Radiant Tubing; Joint Compound on Drywall Corners

    • December 9, 2010
    • PBS

    Plumbing and heating expert Richard Trethewey helps a homeowner heat his newly remodeled kitchen by installing hot water radiant tubing underneath the floor. Then Richard, along with host Kevin O'Connor, landscaping contractor Roger Cook, and general contractor Tom Silva ask, "What is it?" Afterward, Tom shows Kevin how to apply joint compound to drywall corners. Then Roger and Kevin head outside for a few lessons on using a wheelbarrow properly.

  • S09E11 Loose Carpeting on a Staircase; Tools for Digging; Recessed Lights

    • December 16, 2010
    • PBS

    General contractor Tom Silva helps an old friend repair the loose carpeting on his staircase. Then, landscaping contractor Roger Cook shows host Kevin O'Connor several different types of shovels and other tools for digging. Afterward, Kevin heads to Pasadena, California where he and a local electrician help a homeowner install recessed lights in a kitchen ceiling.

  • S09E12 Forced-Air Furnace and Air Conditioning; Damaged Oak Flooring

    • December 23, 2010
    • PBS

    Plumbing and heating expert Richard Trethewey helps a pair of homeowners reduce their utility bills by installing a new forced-air furnace and air conditioning system. Then, general contractor Tom Silva helps a homeowner repair damage to her oak flooring that was caused by a leaky radiator.

  • S09E13 Sharpening Chains; Fixing a Leaky Rain Gutter; Fiberglass Bathtub

    • December 30, 2010
    • PBS

    Landscaping contractor Roger Cook and chainsaw expert Tim Ard demonstrate safe chainsaw use and a brand new way to sharpen chains. Then, general contractor Tom Silva helps a homeowner with a leaky rain gutter. Back in the workshop, Roger and Tom, along with host Kevin O'Connor and plumbing and heating expert Richard Trethewey ask, "What is it?" Then, Richard and Kevin install a new fiberglass bathtub and shower enclosure.

  • S09E14 Second Bathroom Sink; Large Crack in a Concrete Block Foundation

    • January 6, 2011
    • PBS

    Plumbing and heating expert Richard Trethewey helps a homeowner install a second sink into an existing bathroom vanity. Next, landscaping contractor Roger Cook shares a viewer tip that makes yard clean-up a little easier. Then, general contractor Tom Silva helps a homeowner repair a large crack in his concrete block foundation.

  • S09E15 Lawn Mowing; Building a Backyard Deck

    • January 13, 2011
    • PBS

    Landscaping contractor Roger Cook shows host Kevin O'Connor a few helpful techniques for mowing a lawn. Then, general contractor Tom Silva helps two homeowners begin building the backyard deck of their dreams.

  • S09E16 Completing a Backyard Deck; Hidden Deck-Fastening Systems

    • January 20, 2011
    • PBS

    General contractor Tom Silva helps two homeowners complete the construction of their new backyard deck. Then, back in the workshop, Tom shows host Kevin O'Connor a few other types of hidden deck-fastening systems.

  • S09E17 Rainwater from Gutters; Pliers; Insulating an Attic Floor

    • January 27, 2011
    • PBS

    Landscaping contractor Roger Cook shows host Kevin O'Connor a few ways to deal with rainwater from gutters and downspouts. Then, up in the workshop, plumbing and heating expert Richard Trethewey talks "All About" pliers. Then Roger, Kevin, Richard, and general contractor Tom Silva ask, "What is it?" Afterward, Tom and Kevin insulate an attic floor using fiberglass batts and blown-in insulation.

  • S09E18 Painting Interior Walls; Water Heater with a Valve Preventing Floods

    • February 3, 2011
    • PBS

    Up in the workshop, expert painter Mark O'Lalor shows host Kevin O'Connor a few tricks and techniques for painting an interior wall. Then Kevin, along with landscaping contractor Roger Cook, general contractor Tom Silva, and plumbing and heating expert Richard Trethewey ask, "What is it?" Afterward, Richard helps a homeowner install a new water heater with an electronic valve that prevents floods due to water leaks.

  • S09E19 Narrow Garden Bed; Workshop in Memphis; Wood-Burning Insert

    • February 10, 2011
    • PBS

    In the first episode of a two-part road trip through America's heartland, landscaping contractor Roger Cook helps a homeowner in Wichita, Kansas plant a narrow garden bed near her driveway. Then, plumbing and heating expert Richard Trethewey, general contractor Tom Silva, and host Kevin O'Connor conduct home improvement workshops with live audiences in Memphis, Tennessee, Little Rock, Arkansas, and Tulsa, Oklahoma. Afterward, Richard and a local contractor make an old fireplace more energy efficient by installing a wood-burning insert.

  • S09E20 Outdoor Outlets; Flower Bulbs; Graceland; Worn-Out Cabinets

    • February 17, 2011
    • PBS

    Our road trip through America's heartland continues as host Kevin O'Connor travels to Little Rock, Arkansas to install an outdoor electrical outlet for a homeowner. Then, Kevin and landscaping contractor Roger Cook show a live audience in Wichita, Kansas how to plant flower bulbs properly. Afterward, Kevin heads to Memphis, Tennessee to tour Graceland, the home of Elvis Presley. Then, general contractor Tom Silva helps a Memphis homeowner replace her old, worn-out kitchen cabinet hardware.

  • S09E21 Solar Water Heating; Electrical Safety Devices; Support Posts

    • February 24, 2011
    • PBS

    Plumbing and heating expert Richard Trethewey heads to Salt Lake City, Utah, where he and a local contractor install a new solar water heating system. Then, up in the workshop, electrician Scott Caron shows host Kevin O'Connor a few devices designed to make residential electrical systems safer. Then, Kevin and general contractor Tom Silva head outside to replace the rotting support posts underneath a backyard deck.

  • S09E22 Antique Door Hardware; Geothermal Home Heating and Cooling

    • March 3, 2011
    • PBS

    Host Kevin O'Connor and general contractor Tom Silva demonstrate how to select and install antique and reproduction door hardware. Then, Kevin and Tom, along with plumbing and heating expert Richard Trethewey and landscaping contractor Roger Cook ask, "What is it?" Afterward, Richard shows a homeowner how a geothermal home heating and cooling system works.

  • S09E23 Splitting Firewood; Paintbrushes; Connecting a Bar Sink to a Sewer

    • March 10, 2011
    • PBS

    Landscaping contractor Roger Cook and host Kevin O'Connor show some different methods and tools for splitting firewood. Then, back in the workshop, professional painter Jeff Young shows Kevin how to choose, use, and care for paintbrushes. Then Kevin and Roger, along with general contractor Tom Silva and plumbing and heating expert Richard Trethewey ask, "What is it?" Then Richard uses an electric pump to connect a basement bar sink to a sewer drain.

  • S09E24 Tool Storage Cabinet; Protecting a House From Flood Damage

    • March 17, 2011
    • PBS

    Up in the workshop, general contractor Tom Silva and host Kevin O'Connor build a tool storage cabinet, perfect for any basement or garage. Then, Tom and Kevin, along with landscaping contractor Roger Cook and plumbing and heating expert Richard Trethewey ask, "What is it?" Then Kevin works with a damage prevention specialist to protect a house from catastrophic floods.

  • S09E25 Removing Vinyl; Vintage House Parts; Eliminating Gurgling Sounds

    • March 24, 2011
    • PBS

    General contractor Tom Silva helps a homeowner remove a vinyl kitchen floor. Then host Kevin O'Connor tours a well-stocked architectural salvage yard for vintage house parts. Back in the workshop, Kevin and Tom, along with landscaping contractor Roger Cook and plumbing and heating expert Richard Trethewey ask, "What is it?" Afterward, Richard helps a homeowner eliminate a gurgling sound coming from his bathroom plumbing.

  • S09E26 Yard Clean Up; Installing Carpet Tiles

    • March 31, 2011
    • PBS

    Landscaping contractor Roger Cook and host Kevin O'Connor head outside to do some yard clean-up using rakes, blowers and lawn vacuums. Then, up in the loft, plumbing and heating expert Richard Trethewey shows Kevin how HVAC thermostat technology has evolved over the years. Next, general contractor Tom Silva and Kevin install carpet tiles over a concrete basement floor.

Season 10

Season 11

  • S11E01 Transforming Stock Shelving; New Washing Machine Valve

    • October 4, 2012
    • PBS

    General contractor Tom Silva kicks off the eleventh season of Ask This Old House by helping a couple transform stock shelving into a custom built-in. Then, plumbing and heating expert Richard Trethewey installs a new washing machine valve that will prevent flooding.

  • S11E02 Bluestone Patio; Hanging Bikes in a Garage

    • October 11, 2012
    • PBS

    Landscape contractor Roger Cook helps a homeowner install a bluestone patio in an urban backyard. Then, Roger, along with host Kevin O’Connor, plumbing and heating expert Richard Trethewey, and general contractor Tom Silva ask "What Is It?" Afterward, Tom helps a homeowner and her daughter hang their bikes in a small garage.

  • S11E03 Custom Fireplace Mantle; Repairing a Leaking Kitchen Faucet

    • October 18, 2012
    • PBS

    General contractor Tom Silva builds a custom fireplace mantel for a homeowner. Then, Roger shares some tips about garden edging. Afterward, Richard helps a homeowner repair a leaking kitchen faucet.

  • S11E04 Laying Sod in the Backyard; Installing a Wireless Thermostat

    • October 25, 2012
    • PBS

    Landscape contractor Roger Cook helps a homeowner lay sod in his backyard. Then, Roger, along with host Kevin O'Connor, plumbing and heating expert Richard Trethewey, and general contractor Tom Silva ask "What Is It?" Afterward, Tom shares a tip about finding measurements without doing math. Plus, Richard installs a wireless thermostat to control a heating system.

  • S11E05 Planting Palm Trees; Replacing an Old Heating System

    • November 1, 2012
    • PBS

    Landscape contractor Roger Cook heads to Miami to help a homeowner plant several varieties of palm trees in her front yard. Then, Roger, along with host Kevin O'Connor, plumbing and heating expert Richard Trethewey, and general contractor Tom Silva ask "What Is It?" Afterward, Kevin shares information on new light bulbs. Richard replaces an old heating system and water heater with a much smaller and more efficient single appliance.

  • S11E06 Special New York Episode

    • November 8, 2012
    • PBS

    The crew visits New York City, where plumbing and heating expert Richard Trethewey tours a scale model of the city. Host Kevin O'Connor and a local electrician add task lighting to a Brooklyn kitchen. The guys play "What Is It" in Times Square with Jimmy Fallon. Landscape contractor Roger visits the Highline. General contractor Tom installs cable deck railing in Greenwich Village.

  • S11E07 New Kitchen Sink and Faucet; Insulated Sidelights on a Front Door

    • November 15, 2012
    • PBS

    Plumbing and heating expert Richard Trethewey heads to Colorado Spings to install a brand new kitchen sink and faucet. General contractor Tom Silva installs insulated sidelights on a front door.

  • S11E08 Privacy Fence; Replacing a Clogged Shower Valve

    • November 22, 2012
    • PBS

    Landscape contractor Roger Cook works with a fencing contractor to install a vinyl privacy fence. Then, Roger, along with host Kevin O'Connor, plumbing and heating expert Richard Trethewey, and general contractor Tom Silva ask "What Is It?" Afterward, Richard replaces a clogged shower valve.

  • S11E09 Interior Window Trim; Heating a Swimming Pool

    • November 29, 2012
    • PBS

    General contractor Tom Silva installs interior window trim. Richard heats a swimming pool using an air conditioner.

  • S11E10 Properly Mulching Garden Beds; Installing a Natural Gas Line

    • December 6, 2012
    • PBS

    Landscape contractor Roger Cook shows a homeowner how to properly mulch his garden beds. Then Roger, along with host Kevin O'Connor, plumbing and heating expert Richard Trethewey, and general contractor Tom Silva ask "What Is It?" Afterward, Richard installs a natural gas line for a barbeque grill.

  • S11E11 Using Hand Planes; Repairing a Cracked Stone Walkway

    • December 13, 2012
    • PBS

    In the workshop, general contractor Tom Silva demonstrates the proper way to use hand planes. Then, Tom, along with host Kevin O'Connor, plumbing and heating expert Richard Trethewey, and landscape contractor Roger Cook ask "What Is It?" Afterward, Roger helps a homeowner repair a cracked stone walkway.

  • S11E12 Ceiling Fan; Installing a Water Softener

    • December 20, 2012
    • PBS

    Host Kevin O'Connor and electrician Scott Caron head to Denver to install a ceiling fan on a cathedral ceiling. Then, Kevin, along with general contractor Tom Silva, plumbing and heating expert Richard Trethewey, and landscape contractor Roger Cook ask "What Is It?" Afterward, Richard visits New Jersey to install a water softener.

  • S11E13 Transplanting a Rose Bush; Replacing Old Outdoor Lighting

    • December 27, 2012
    • PBS

    Landscape contractor Roger Cook helps a homeowner temporarily transplant a mature rose bush while exterior work takes place. Then, Roger, along with host Kevin O'Connor, plumbing and heating expert Richard Trethewey, and general contractor Tom Silva ask "What Is It?" Afterward, Richard shows Kevin some rookie plumbing mistakes. And Tom and Kevin replace old outdoor lighting with new fixtures.

  • S11E14 Restoring Terrazzo Floors; Repairing a Cracked Floor Joist

    • January 3, 2013
    • PBS

    Host Kevin O'Connor heads to Del Ray Beach, Florida to restore Terrazzo floors. Then, Kevin, along with landscape contractor Roger Cook, plumbing and heating expert Richard Trethewey, and general contractor Tom Silva ask "What Is It?" Afterward, Tom helps a homeowner repair a cracked floor joist.

  • S11E15 Toilet Installation; Patching a Lawn with Grass Seed

    • January 10, 2013
    • PBS

    Plumbing and heating expert Richard Trethewey heads to Cheyenne, Wyoming, to help a homeowner install a toilet. Then, Richard, along with landscape contractor Roger Cook, host Kevin O'Connor, and general contractor Tom Silva ask "What Is It?" Roger and Kevin patch a lawn with grass seed.

  • S11E16 Hanging a Flat Panel TV; Controlling Insects Without Pesticides

    • January 17, 2013
    • PBS

    Master electrician Scott Caron helps a homeowner hang a flat-panel television on the wall and conceal all the wiring. Back in the workshop, Scott shows Kevin examples of many different types of electrical outlets. Roger heads to Miami to help a homeowner control the insect pests in her yard without the use of pesticides.

  • S11E17 Maintaining Kitchen Appliances; Installing a Rain Gutter

    • January 24, 2013
    • PBS

    Host Kevin O'Connor meets appliance repairman Richie Isaacson to learn how to maintain kitchen appliances. Then, Kevin, along with landscape contractor Roger Cook, plumbing and heating expert Richard Trethewey, and general contractor Tom Silva ask "What Is It?" Afterward, Tom helps a homeowner install a rain gutter, downspout, and rain barrel.

  • S11E18 Storage Bench; Soldering Pipes; Overgrown Perennial Garden

    • January 31, 2013
    • PBS

    In the workshop, general contractor Tom Silva and host Kevin O'Connor build a storage bench for an entryway. Then, plumbing and heating expert Richard Trethewey demonstrates how to solder copper pipes properly. Afterward, landscape contractor Roger Cook helps a homeowner maintain an overgrown perennial garden.

  • S11E19 Orchids as Houseplants; Purchasing a Kitchen Wall Cabinet

    • February 7, 2013
    • PBS

    Landscape contractor Roger Cook visits a tropical botanic garden to learn how to care for orchids as houseplants. Then, Roger, along with host Kevin O'Connor, plumbing and heating expert Richard Trethewey, and general contractor Tom Silva ask "What Is It?" Afterward, Tom helps a homeowner purchase and install a kitchen wall cabinet.

  • S11E20 Insulating Ductwork; Maintaining Clothes Washers and Dryers

    • February 14, 2013
    • PBS

    Plumbing and heating expert Richard Trethewey visits Cortland, Illinois, to learn how corn is harvested and then to help a homeowner insulate ductwork. Landscape contractor Roger Cook demonstrates proper pruning technique. Roger, Richard, host Kevin O'Connor, and general contractor Tom Silva ask "What Is It?" Kevin learns how to maintain washers and dryers.

  • S11E21 Ductless Heat Pump; LED Lighting

    • February 21, 2013
    • PBS

    Plumbing and heating expert Richard Trethewey and host Kevin O'Connor install a ductless heat pump to heat and cool a room. Richard, Kevin, landscape contractor Roger Cook, and general contractor Tom Silva ask "What Is It?" Master electrician Scott Caron demonstrates new technologies and applications for LED lighting. Roger learns how to select houseplants for different situations.

  • S11E22 Solving a Melted Mystery; Whole-House Energy Audit

    • February 28, 2013
    • PBS

    General contractor Tom Silva helps a homeowner solve the mystery of her melted vinyl siding. Then, Tom, along with host Kevin O'Connor, landscape contractor Roger Cook, and plumbing and heating expert Richard Trethewey ask "What Is It?" Afterward, Kevin and a specialist perform a whole-house energy audit

  • S11E23 Using Ladders Safely; Replacing a Shower Valve

    • March 7, 2013
    • PBS

    General contractor Tom Silva and host Kevin O'Connor demonstrate how to use all types of ladders safely. Then plumbing and heating expert Richard Trethewey replaces a three-handle shower valve with a single-handle antiscald valve.

  • S11E24 Surge Protectors; Cutting Stone

    • March 14, 2013
    • PBS

    Master electrician Scott Caron installs several types of surge protection. Then, general contractor Tom Silva, host Kevin O'Connor, landscape contractor Roger Cook, and plumbing and heating expert Richard Trethewey ask "What Is It?" Afterward, Roger demonstrates how to cut and shape stones for hardscaping projects.

  • S11E25 Custom Concrete Countertops; Cordless Landscape Tools

    • March 21, 2013
    • PBS

    How to make and install custom concrete countertops. Can you install watertight connections without soldering? Cordless landscape tools.

  • S11E26 Painting Kitchen Cabinets; Installing a Smart Thermostat

    • March 28, 2013
    • PBS

    The final episode of the 2012/13 season investigates how subway trains are serviced. The crew shows how to paint kitchen cabinets; estimate landscape material by the cubic yard; and how to install a smart thermostat.

Season 12

Season 13

Season 14

  • S14E01 Classroom Garden, House Fan

    • October 3, 2015
    • PBS

    The Season 14 premiere features a whole house fan installation; and an explanation of new water heater regulations. Also: working with students to liven up a school's garden.

  • S14E02 Garage Power, Chainsaw Safety

    • October 10, 2015
    • PBS

    Chainsaw safety is discussed; a garage's electrical connection is improved; and squeaky floors are silenced in a baby's room.

  • S14E03 Driveway Patch, Shaker Table

    • October 17, 2015
    • PBS

    A driveway pothole is repaired; and an old railroad lantern is given new life. Also: building a Shaker-styled nightstand.

  • S14E04 Renewable Energy

    • October 24, 2015
    • PBS

    Energy efficiency is explored during a visit to Germany. Also: installing a residential wind turbine in Texas.

  • S14E05 Home Composting, Steam Boiler

    • October 31, 2015
    • PBS

    How to create soil from organic garbage. Also: why a steam boiler is losing water.

  • S14E06 Sink Mistake, Security Light

    • November 7, 2015
    • PBS

    Richard travels to Atlanta to replace a vessel sink with a self-rimming sink. Scott installs a motion sensor security light in a driveway. And the guys ask "What is it?"

  • S14E07 Butterfly Garden, Dark Closet

    • November 14, 2015
    • PBS

    Roger heads to Texas for a lesson on planting a butterfly garden. Tom maps out the best tools for woodworking beginners. And Scott helps a homeowner find illumination in her closet.

  • S14E08 Home Brew Beer, Rain Barrel

    • November 21, 2015
    • PBS

    Kevin heads to a brewery to learn how to make his own beer at home. Bridget Lancaster from America's Test Kitchen stops by with a lesson on ales versus lagers. Tom is in Baltimore to help install a do-it-yourself rain barrel. And Richard has advice on what not to put in your disposers.

  • S14E09 Childproofing, Falling Sink

    • January 2, 2016
    • PBS

    Kevin visits Delaware to help a new mother childproof her home. Richard uses his skill to fix an under counter mount sink. And Scott gives Kevin a tutorial on the latest voltage testers.

  • S14E10 Winter Weather Special

    • January 9, 2016
    • PBS

    An electrical solution to ice dams; meteorologist Jim Cantore; snowblower maintenance; tuning up the furnace.

  • S14E11 Coffee Table, Grass Paver

    • January 16, 2016
    • PBS

    Roger heads to Cape Cod to transform a patch of grass into a lawn you can drive on! In "Build It," Tom and Kevin use reclaimed oak wood to create a coffee table. Richard explains how to keep pipes from freezing in the winter months. And the guys ask, "What Is It?"

  • S14E12 Post Light, Pedestal Sink

    • January 23, 2016
    • PBS

    Scott heads to South Dakota to install a post light. Richard is in Delaware to replace a pedestal sink. Landscape designer Jenn Nawada explains how to make succulent plants into a piece of art. And it's a wand with three probes. "What is it?"

  • S14E13 Kitchen Makeover, Attic Stair

    • January 30, 2016
    • PBS

    Installing a new attic staircase; updating a kitchen; blowtorches

  • S14E14 Smart Lock, Outdoor TV

    • February 6, 2016
    • PBS

    Kevin uses a smartphone app to help a homeowner turn his front door deadbolt into an electronic entrance. Scott installs a television outdoors for a little open-air entertainment. And it's a white sphere with blue holes, but "What is it?

  • S14E15 Philly Sconce, Trim Closet

    • February 13, 2016
    • PBS

    Tom trims a coat closet to include a shelf and hanger pole and then installs a pre-hung door. Richard explains why a toilet may be leaking. And Scott gives an old Philadelphia church a new look with an outdoor wall sconce.

  • S14E16 Maple Syrup, Chicken Coop, USB

    • February 20, 2016
    • PBS

    Tom and Kevin head to Connecticut to construct a back yard chicken coop in "Build It." Jenn Nawada visits a Vermont maple syrup farm to learn how it's made. Christopher Kimball from America's Test Kitchen stops by to break down the best and worst maple syrup. And Scott explains how to choose the right USB outlet.

  • S14E17 Chimney, Exhaust Fan, Shingle

    • March 26, 2016
    • PBS

    A chimney overhaul; the installation of an exhaust fan in a kitchen; and a tutorial on roof shingles.

  • S14E18 Overflow, Antique Fixture

    • April 2, 2016
    • PBS

    Scott heads to St. Paul to wire a light fixture to match the aesthetic of an antique home. Richard makes an old tub safe by installing an overflow. Tom explains what every homeowner should have for insulation when it comes to R-value. And the guys ask "What Is It?"

  • S14E19 Wildlife Garden, Floor Patch

    • April 9, 2016
    • PBS

    Converting a front yard into a wildlife oasis; restoring a wood floor; unclogging a sink.

  • S14E20 Potato Farm, Track Lighting

    • April 16, 2016
    • PBS

    Growing potatoes in Idaho; Jim Cantore talks about weather stations; installing track lighting.

  • S14E21 Washer-Dryer, Chandelier

    • April 23, 2016
    • PBS

  • S14E22 Short Door, Grow Herbs

    • April 30, 2016
    • PBS

  • S14E23 Deck Lighting, Fireplaces

    • May 7, 2016
    • PBS

  • S14E24 Nick Offerman, Pipe Shelf

    • May 14, 2016
    • PBS

  • S14E25 Murphy Door, House Hydrant

    • May 21, 2016
    • PBS

  • S14E26 Doorbell, Home Gym, Pipes

    • May 28, 2016
    • PBS

Season 15

  • S15E01 Window, Robotic Mower, Lead

    • October 1, 2016
    • PBS

    Tom pulls off a balancing act to repair an old window. Roger shows Kevin the future of lawn care with a robotic mower and Richard addresses concerns of lead in drinking water.

  • S15E02 Fire Prevention, Strainer

    • October 8, 2016
    • PBS

    Kevin visits Chicago to explore the dangers of home fires and ways to stay safe. Scott shows off a portable generator that doesn’t run on gas. Richard finds a rusted sink strainer in the kitchen. And the guys ask, “What is it?”

  • S15E03 Bookshelf, Foundation Plants

    • October 15, 2016
    • PBS

    Landscape designer Jenn Nawada turns wild foundation plantings into an enviable front garden.

  • S15E04 Water Heater, Home Orchard

    • October 22, 2016
    • PBS

    Richard replaces a tank water heater with a more efficient model. Tom gives tips on circular saws. Richard replaces a tank water heater with a more efficient model. Roger shows a homeowner how to start her own orchard. Tom gives tips on circular saws.

  • S15E05 Molding Raceway, Deck Board

    • October 29, 2016
    • PBS

    A cracked deck board is replaced on a front porch. Scott breaks the mold with an outlet install. Tom skillfully replaces a cracked deck board on a front porch. Scotts break the mold with an outlet install that uses crown molding to conceal wires. Richard answers a question about blue stains in the bathtub.

  • S15E06 HVAC Zoning, Plaster Patch

    • November 5, 2016
    • PBS

    An HVAC innovator demonstrates a new technology that could change the way homes are heated and cooled. Also using plaster to patch drywall.

  • S15E07 Reclaimed Bench, Robotic Wall

    • November 12, 2016
    • PBS

    A robotic wall is used to furnish a micro-apartment; and a reclaimed piece of pine is turned into a stylish bench.

  • S15E08 Laundry, 3-Way Switch, Saw

    • November 19, 2016
    • PBS

    An efficient washer and dryer is picked; and a problem with a three-way switch is fixed. Also: tips on table saw safety. Richard helps a couple pick an efficient washer and dryer. Tips on table saw safety are shared.

  • S15E09 Microgreens, Elevator

    • January 7, 2017
    • PBS

    Kevin helps a contractor install a home elevator for a young man with disabilities. Jenn Nawada investigates how to grow microgreens. Tom explains the best way to match historic moldings. And Richard diagnoses a problem with well water.

  • S15E10 Wood Shop, Wireless Switch

    • January 14, 2017
    • PBS

    A woodworking shop is created in a garage; and a wireless light switch is installed. Also: plumbing's memory lane.

  • S15E11 Bluestone, Mead, Wire Splices

    • January 21, 2017
    • PBS

    A rundown walkway is revitalized with bluestone; and wire connections are discussed. Also: a lesson in creating mead.

  • S15E12 Radiator, Saws, Garage Lights

    • January 28, 2017
    • PBS

    Jenn shares an environmentally safe way to keep walkways safe. Tom gives a tutorial on hand saws. Richard diagnoses a hot water radiator problem. The guys ask "What is it?" Scott installs LED lights.

  • S15E13 Rooftop Garden, Stains, Shed

    • February 4, 2017
    • PBS

    Rooftop and small-space gardening. Also: bringing power to an outside storage space; and getting rid of ceiling stains.

  • S15E14 Future House, Nick Offerman

    • February 11, 2017
    • PBS

    A tour of comedian Nick Offerman's woodworking shop. Also: measuring a home's energy consumption; and making a dish soap blunder.

  • S15E15 Water Heat, Panels, Astronaut

    • February 18, 2017
    • PBS

    Solving a hot water problem; and sprucing up a dining room. Also: a former NASA astronaut talks tools.

  • S15E16 Build It, Lighting, Mousetrap

    • February 25, 2017
    • PBS

    A cutting board is made from scrap heart pine; an overly bright room is recast with LEDs; and mice-preventive measures are discussed.

  • S15E17 Kentucky Lawn, Chandelier

    • April 1, 2017
    • PBS

    Tips for lawn care; and a jigsaw tutorial. Also: installing a motorized lift for a chandelier.

  • S15E18 Passage Set, Landscape

    • April 8, 2017
    • PBS

    An historic plan is used to revive a back yard; and an inactive door handle is replaced with a passage set. Also: the evolution of plumbing.

  • S15E19 Water Heater, Storm Door

    • April 15, 2017
    • PBS

    A house is made more energy efficient; and a hybrid water heater is replaced. Also: voice-recognition technology.

  • S15E20 Build It, Cable Lighting

    • April 22, 2017
    • PBS

    A home message center is built; and cable-powered fixtures are installed. Also: the importance of carbon monoxide detectors.

  • S15E21 Water Filter, Fire Pit, Wood

    • April 29, 2017
    • PBS

    A whole house water filter is installed; and a patio and granite fire pit are built. Also: the differences between soft and hard wood.

  • S15E22 Alaska Generator, Wood Floor

    • May 6, 2017
    • PBS

    Hooking up a portable generator capable of powering an entire house; and repairing a poorly installed piece of wood floor nosing. Also: an inside look at dishwasher cycles.

  • S15E23 Clogged Pipe, Convection Heat

    • May 13, 2017
    • PBS

    A clogged drain is fixed; and an electric convection heater is installed in a chilly bathroom. Also: a masking primer that leaves clean lines on a window.

  • S15E24 Build It, Future House, Surge

    • May 20, 2017
    • PBS

    A planter box is built with western red cedar. Also: a tablet attachment that makes 3D scans of home interiors; and the need for surge protection.

  • S15E25 Rain Garden, Cabinet Hardware

    • May 27, 2017
    • PBS

    A rain garden is planted to keep runoff and waste out of marshlands; and a dim bedroom receives new overhead lighting. Also: installing cabinet hardware accurately and consistently.

  • S15E26 Hawaii Makes 50

    • June 3, 2017
    • PBS

    In Hawaii, a unique keepsake box is built from island materials; storing solar energy is explored; and an organic garden is planted.

Season 16

  • S16E01 Water Softener; App; Shadow Box

    • October 7, 2017
    • PBS

    Installing a new type of water softener; a home organization app; building a shadow box using wood from an old door.

  • S16E02 Toolbox; Smoke Detector; Leaking Valve

    • October 14, 2017
    • PBS

    A young fan learns how to build a tool box; installing smart smoke and carbon monoxide detectors; diagnosing a leaking safety valve and installing an expansion tank to fix it.

  • S16E03 Backsplash; Leak Detection; Rainwater

    • October 21, 2017
    • PBS

    How to install a backsplash. Also: a wireless leak detector that prevents floods; and a water feature that collects and reuses rainwater.

  • S16E04 Patch Lawn; Swap Toilet; Off-Grid

    • October 28, 2017
    • PBS

    Reseeding a dead section of lawn and blending it in with the rest of the yard; the basics of changing a toilet; and an off-grid home tests commercial HVAC equipment.

  • S16E05 Radiator Swap; Brick Repointing

    • November 4, 2017
    • PBS

    Replacing a small radiator with one that's the correct size; and repointing brick. Also: the importance of sunscreen on the jobsite.

  • S16E06 Tree Removal; Stud Finders

    • November 11, 2017
    • PBS

    The differences between water filters; and different ways to locate studs in a wall. Also: removing a tree that's leaning toward a house; and installing a smart garage door opener.

  • S16E07 Happy Holidays from AskTOH!

    • November 18, 2017
    • PBS

    A toy box is built; and the guys exchange gifts. Also: preventing fires from holiday decorations.

  • S16E08 Window Gap; Solar Drinking Water

    • December 28, 2017
    • PBS

    Roger teaches how to care for orchids; Tom fixes an improperly hung window; Mark demonstrates how to clean brick with acid; Ross finds a solar panel that can generate drinking water from air.

  • S16E09 Walkway Reset; Patch Chipped Floor

    • January 4, 2018
    • PBS

    Roger shows how to repair a damaged walkway, and also how to identify what caused the damage so it can be prevented; Tom patches a chipped wood floor using a Dutchman and hand tools.

  • S16E10 Silica Dust, Wobbly Toilet

    • January 11, 2018
    • PBS

    Mark tests out different tools that collect silica dust more efficiently; Richard shims a wobbly toilet; Kevin heads to the Catskills to build a wooden slice table with Jimmy Diresta, a maker who's famous online for his how-to videos.

  • S16E11 Tankless Water Heater, Retaining Wall

    • January 18, 2018
    • PBS

    Richard heads to Milwaukee to install an instantaneous water heater; Tom demonstrates some techniques for cutting straight edges with a circular saw; Mark rebuilds a retaining wall that was stacked with the wrong material.

  • S16E12 Dutch Door, Landscape Checkers

    • January 25, 2018
    • PBS

    Richard shows Kevin the proper way to ventilate a sink; in Nashville, Tom converts a regular door into a Dutch door; Jenn updates a landscape by moving around, dividing, and pruning the current plants in the yard.

  • S16E13 Rain Chain, Vanity Installation

    • February 1, 2018
    • PBS

    Roger installs a downspout alternative; painter Mauro Henrique explains the differences between various types of paintbrushes; Richard installs a vanity for homeowners who gave up on it seven years ago; Tom shows closet storage options.

  • S16E14 Lawn Care, Workshop of the Future

    • February 8, 2018
    • PBS

    Roger tends to a lawn that was seeded in the summer and is not doing well; Richard goes over low-budget kitchen upgrades; Tom travels to a futuristic workshop in San Francisco to build a stool using computer-based tools.

  • S16E15 Spitting Faucet, Painting 101

    • February 15, 2018
    • PBS

    Richard diagnoses and repairs a water system with air in it; in Open House, Tom analyzes a staircase that is not to code; Mauro makes his first house call to teach a homeowner the basics of painting a room.

  • S16E16 Houston After Harvey

    • February 22, 2018
    • PBS

    The guys head to Texas in the aftermath of Hurricane Harvey to profile nonprofits working to tear down, clean out, and rebuild homes that were destroyed during the storm.

  • S16E17 Metal Railing; Tile Replacement

    • March 29, 2018
    • PBS

    Mark installs a metal railing using anchoring cement; Richard weighs the pros and cons of steam heat; and Tom demonstrates the correct way to replace a cracked kitchen floor tile.

  • S16E18 Jimmy DiResta; Trough Planter

    • April 5, 2018
    • PBS

    Richard demonstrates a solution for replacing a water main shutoff; Jenn travels to Tennessee to build a planter out of an animal feeding trough; Mark waterproofs brick; Kevin heads back to Jimmy DiResta's shop to build a sign.

  • S16E19 Stair Railing; Smart Show House

    • April 12, 2018
    • PBS

    Richard discusses the possible causes and solutions for a frozen air conditioner; Tom fixes an end cap on a stair railing that keeps coming loose; Ross travels to Napa to tour a house that's testing a variety of interconnected smart home devices.

  • S16E20 Shower Valve; Chainsaws; Bucket Stool

    • April 19, 2018
    • PBS

    In Nashville, Richard repairs and replaces a leaking shower valve; Roger explains safety features built into all chainsaws; Kevin makes a bucket stool with Ben Uyeda, a maker best known for his design-based online videos.

  • S16E21 Paint Door; Match Mortar; Wood Joints

    • April 26, 2018
    • PBS

    Mauro teaches a homeowner how to paint a metal door; Mark explains how to match mortar for repointing jobs; Tom teaches apprentice Austin how to make a variety of different wood joints by building simple utility boxes.

  • S16E22 Gutterless Gutters, Desert Plan

    • May 3, 2018
    • PBS

    Tom installs an alternative to a gutter; and Ross and Richard update Kevin on a future house technology.

  • S16E23 Paint Stripping, Fridge Hookup

    • May 10, 2018
    • PBS

    Mauro shows a homeowner the safe way to strip paint; and Tom explains basic chiseling techniques.

  • S16E24 Reface Fireplace, Kitchen Faucet

    • May 17, 2018
    • PBS

    Mark teaches apprentice Krysten how to reface a granite fireplace; Jenn gives some tips on starting an organic garden; Richard helps a homeowner replace her kitchen faucet when she realizes her shutoff valve is broken.

  • S16E25 Drafty Door, Clean Paintbrushes

    • May 24, 2018
    • PBS

    In Austin, Ross visits a community that plans to have all net zero energy housing; Richard demonstrates the uses of less common wrenches; Tom and Kevin build a console table using a maple slab with a live edge on it.

  • S16E26 Net Zero Community, Live Edge

    • May 31, 2018
    • PBS

    In Austin, Ross visits a community that plans to have all net zero energy housing; Richard demonstrates the uses of less common wrenches; Tom and Kevin build a console table using a maple slab with a live edge on it.

Season 17

  • S17E01 Plunge Pool, Heat Pump

    • October 4, 2018
    • PBS

    Jenn installs a plunge pool for a homeowner with a small backyard; Tom gives some basic tips about insulating an attic; Richard travels to Celebration, Florida to help a homeowner select and install the right electric water heater.

  • S17E02 Window Repair, Space House Tour

    • October 11, 2018
    • PBS

    Mark explains how to make concrete; Tom replaces a broken pane in a basement window; in Future House, Ross travels to NASA Johnson Space Center to learn about the technology they use on the International Space Station to keep the astronauts alive.

  • S17E03 Stone Walkway; Rustic Headboard

    • October 18, 2018
    • PBS

    Mark installs a front walkway for a homeowner using natural stone; Mauro explains the uses and techniques for different types of painter’s tape; Tom and Kevin build a headboard using rustic barnboard.

  • S17E04 Garage Heat; DIY Security System

    • October 25, 2018
    • PBS

    Richard travels to Akron, Ohio to install a garage heater; Tom teaches the basics of sanding; Ross installs a DIY security system; Mark investigates a strange issue happening to foundations in the Northeast.

  • S17E05 Crown Molding; Strip Wallpaper

    • November 1, 2018
    • PBS

    Tom installs crown molding on cabinets with full overlay doors; Richard discusses toilet seats; Mauro teaches apprentice Mary how to strip wallpaper without using any chemicals.

  • S17E06 Storage Bench; Old Shower Valve

    • November 8, 2018
    • PBS

    In Build It, Tom and Kevin build a modern storage bench out of a single sheet of MDF and then Mauro paints it; Richard travels to Seattle to help a homeowner whose shower runs cold whenever there’s a demand for hot water elsewhere in the house.

  • S17E07 Swap Door Swing; Tropical Yard

    • November 15, 2018
    • PBS

    The team discusses tools that make good gifts; Jenn returns to her home state of Florida to help a homeowner design a tropical landscape for his backyard; former apprentice Nathan returns to help Tom change the swing of an entry door.

  • S17E08 Fireplace Makeover; Drip Edges

    • January 5, 2019
    • PBS

    Mark replaces a chipped brick in a fireplace surround and then Mauro updates it with a whitewashed look; Richard shares some advice on maintaining water heaters; Tom demonstrates the importance of a properly installed drip edge.

  • S17E09 Swing Set; Robotic Construction

    • January 12, 2019
    • PBS

    Tom travels to Colorado to help a couple build a DIY swing set for their young son; Nathan demonstrates how to build sawhorses using leftover materials from the job site; in Future House, Ross learns about automated home construction.

  • S17E10 Concrete Walkway; Jimmy DiResta

    • January 19, 2019
    • PBS

    Mark replaces a concrete walkway with brick pavers; Richard explains how gas piping is installed in a home; Kevin returns to upstate New York to build a farmhouse table with maker Jimmy DiResta.

  • S17E11 Seismic Retrofit; Dryer Vent

    • January 26, 2019
    • PBS

    Kevin travels to Portland, Oregon to learn how to protect homes from earthquakes; Mark stains concrete; in Open House, Tom explains why and how to change the locks in a new home; Richard travels to Cleveland to reroute a lengthy dryer vent.

  • S17E12 Soft Close Cabinets; Secret Garden

    • February 2, 2019
    • PBS

    Nathan upgrades a kitchen to have soft-close cabinets; Richard and Kevin discuss how gas regulators work and how their malfunction caused gas explosions in Lawrence, MA; Jenn cleans up an overgrown garden and redesigns it as a secret garden.

  • S17E13 Closet Door; Bathroom Paint

    • February 9, 2019
    • PBS

    Tom travels to Pittsburgh to replace a bi-fold closet door with one that is more appropriate for the house; Jenn discusses alternatives to flower bouquets that make great gifts; Mauro paints a bathroom using a mold-resistant paint.

  • S17E14 Vertical Garden; Toilet Factory

    • February 16, 2019
    • PBS

    Jenn installs a vertical garden to maximize space for a homeowner; Tom explains the uses for different drill bits; Richard travels to a plumbing facility in New Jersey to learn about advances in toilet engineering that will help save water.

  • S17E15 Stucco Repair; Gas Dryer

    • February 23, 2019
    • PBS

    Mark travels to San Diego to repair a crack in a concrete retaining wall with a stucco finish; Tom explains how air compressors work; Richard helps an expectant couple select and install a gas dryer.

  • S17E16 Paint Metal Railing; Wine Rack

    • March 30, 2019
    • PBS

    Mauro helps a homeowner clean up and repaint a rusty metal railing; Richard discusses some innovations that can make clearing a clogged sink easier; Tom and Kevin build a wine rack out of a reclaimed beam.

  • S17E17 Prairie Grasses; Wildfires; Solar Flower

    • April 6, 2019
    • PBS

    Jenn partners with an ecologist in Cheyenne, Wyoming to learn about different types of prairie grasses and how to care for them; Kevin learns about ways to make a home more resistant to wildfires; in Future House, Ross sees a robotic, ground-mounted solar array that mimics a sunflower.

  • S17E18 Smart Irrigation; Jimmy DiResta

    • April 13, 2019
    • PBS

    Jenn travels to Orlando to upgrade an irrigation system; the team looks at more Home Inspection Nightmares; Tom discusses kitchen renovations; Kevin returns to upstate New York to build an Adirondack-style outdoor chair with maker Jimmy DiResta.

  • S17E19 Water Filter; Bathroom Caulking

    • April 20, 2019
    • PBS

    Richard travels to Los Angeles to update a water filter on a retro faucet; Mark explains the uses for different types of masonry jointers; Nathan explains when and how to use a Japanese pull saw; Tom demonstrates the correct materials and techniques required for re-caulking a bathtub.

  • S17E20 Foundation Repointing; Textured Ceiling

    • April 27, 2019
    • PBS

    Mark repoints a crumbling fieldstone foundation and shares an important lesson about water management on the outside of the house; Tom discusses the proper disposal techniques for oily rags to prevent spontaneous combustion; instead of scraping, Mauro smooths over a textured ceiling using joint compound.

  • S17E21 Stair Treads; Gas Stove Pipe

    • May 4, 2019
    • PBS

    Tom teaches a homeowner how to replace split-level stair treads in his mid-century modern home; Jenn shares some tips about pruners; Richard shortens a gas pipe for a homeowner whose new stove does not fit against the wall because it is getting stuck on the pipe.

  • S17E22 Fireplace Restoration; Porch Swing

    • May 11, 2019
    • PBS

    Roger and Jenn share some tips for killing weeds without hurting the lawn; Mark delicately restores a damaged historic fireplace that is built with custom, nearly irreplaceable bricks; Richard and Ross discuss improvements to thermostats and how they contribute to comfort in a home; Tom adds structure to a porch in order to safely hang a swing.

  • S17E23 Scorched Floor; Hardy Plantings

    • May 18, 2019
    • PBS

    Ross tests out a new, smart stud finder; Nathan travels to Portland, Oregon to repair an original wood floor that was burned from a face-down hot iron; Tom gives a general overview of a table saw and the best techniques to use it safely and effectively; Jenn helps a homeowner replace and improve foundation plantings that have been crushed by snow piles.

  • S17E24 Humidity Mystery, Brick Patch

    • May 25, 2019
    • PBS

    Tom discusses the conversations a homeowner and a contractor should have before starting a renovation project; Richard travels to Orlando to diagnose and repair an HVAC system that is creating way too much humidity; Mauro demonstrates the technique for using a paint sprayer; Mark travels to Denver to patch a hole in a brick wall.

  • S17E25 Deck Staining; Water Monitoring

    • June 22, 2019
    • PBS

    Tom demonstrates how to sharpen a knife; Mauro teaches a homeowner how to re-stain her deck; Mark demonstrates the best way to build a fire in order to prevent smoke from filling up the room; in Future House, Ross travels to Los Angeles to learn about innovations being made to automatic water shutoff valves.

  • S17E26 Historic Paintings; Wood Utensils

    • June 29, 2019
    • PBS

    Jenn helps a homeowner add some curb appeal using Victorian plants to match the design of his house; the team shares more home inspection nightmares; Mauro demonstrates how to accurately match a paint color; Tom and Kevin hand carve wooden serving utensils using leftover pine from a previous Build It project.

Season 18

  • S18E01 Sliding Barn Door, Dry Well

    • October 5, 2019
    • PBS

    Nathan travels to Birmingham, Alabama to install a sliding barn door in an open-concept loft apartment. Tom compares the qualities of different types of roofing materials. Ross explains the culprit behind damaged solar panels and how to prevent future damage. Mark installs a dry well for a homeowner with drainage issues in his backyard.

  • S18E02 Nursery Paint, Record Stand

    • October 12, 2019
    • PBS

    Mauro paints a baby’s nursery using zero VOC paint. Richard tests out a new dryer that uses a heat pump to dry the clothes. Tom and Kevin build a record player stand out of oak plywood.

  • S18E03 Radiator, Fireplace Veneer

    • October 19, 2019
    • PBS

    Jenn teaches Kevin how to plant a small herb garden with a cocktail theme; a homeowner’s radiator sprung away from the pipe when he tried to replace the valve, so Richard heads to his house to help him reconnect it; Mark replaces a homeowner’s sloppy fireplace surround with a clean, thin brick veneer.

  • S18E04 Ductless Humidifier, Planters

    • October 26, 2019
    • PBS

    Tom explains the uses and purposes of different types of screws; Richard travels to Park City, Utah to install a whole house ductless humidifier; Ross and Richard discuss changes to electric bill payment structures; Jenn installs a front entry planter for a homeowner that will last through the winter.

  • S18E05 Built-in, Dining Room Light

    • November 2, 2019
    • PBS

    Tom repairs an old dining room built-in with hand tools and a bar of soap; the team shares more home inspection nightmares; electrician Heath Eastman makes his first house call to install a chandelier in a homeowner’s dining room.

  • S18E06 Women's Repair Class; Garden

    • November 9, 2019
    • PBS

    Tom checks out a women’s only DIY class on building a footstool and discusses some of the unique challenges faced by women learning DIY skills; Jenn helps a homeowner select, place, and install plants for her terraced garden; the team discusses the ways homeowners and contractors should communicate to set appropriate expectations for home improvement projects.

  • S18E07 Switch; Affordable Geothermal

    • November 16, 2019
    • PBS

    Heath replaces a standard toggle switch with a reproduction antique push button switch to match the rest of the house; Ross travels to Albany, New York to explore ways to make drilling for and installing geothermal heat pumps more affordable for average homeowners.

  • S18E08 Cable Railing; Painting Shutters

    • January 4, 2020
    • PBS

    Tom travels to Utah to help a homeowner replace his traditional stair railing with more modern cable railing; Richard explains why standard PVC should not be used to vent gas appliances and what should be used instead; Nathan upgrades a standard, flat panel hollow core door to look more modern; Mauro helps a homeowner properly clean and paint her vinyl shutters.

  • S18E09 Polybutylene; Squeaky Door

    • November 23, 2019
    • PBS

    Ross and Richard discuss indoor air quality, what it is, and how to measure it; Richard travels to Richmond, Virginia to help a homeowner replace her polybutylene piping with conventional PEX; the team shares more Home Inspection Nightmares; Mauro explains which type of drop cloth he selects for which project; Tom explains different methods for silencing a squeaky door.

  • S18E10 Beehive Oven; Jimmy DiResta

    • January 11, 2020
    • PBS

    Mark explains the history and function of colonial-era beehive ovens and then restores one in a house built in 1750; Richard explains the failure points in toilet tanks and how to repair them; maker Jimmy DiResta invites Tom to his shop for a welding lesson and to build a metal coat rack.

  • S18E11 Stoop Planters; Fireplace Insert

    • January 18, 2020
    • PBS

    Kevin O’Connor builds a hexagon planter with maker Jenn Largesse, who demonstrates how to take advantage of the bevel cut feature on a miter saw; Jenn Nawada travels to Brooklyn to revive a stoop that has been taken over by weeds; the team shares more Home Inspection Nightmares; Mark explains what to understand when buying a home with a wood burning fireplace; Heath installs an electric fireplace insert into an unconventional opening with zero clearance.

  • S18E12 Ceiling Light; Tool Storage

    • January 25, 2020
    • PBS

    Nathan demonstrates a sanding kit with different profiles on it to make hand sanding easier; Heath clarifies the temperature rating system for ceiling lights and then installs one for a homeowner; Mark explains the purposes and uses for different types of trowels; Tom and Kevin build a tool storage shelf out of leftover lumber from other Build It projects.

  • S18E13 Loose Railing; Smart Thermostat

    • February 1, 2020
    • PBS

    Nathan travels to a Sears kit house in Richmond, Virginia to tighten an old, loose stair railing; Mauro demonstrates how to strip paint off of old door hardware; Heath explains the uses and purposes of different types of electrical boxes; Richard replaces an old thermostat with a smart thermostat without replacing the original two wires in the wall.

  • S18E14 Weird Shower Valve; Mossy Roof

    • February 8, 2020
    • PBS

    Richard travels to Salt Lake City to replace a shower valve he has never seen before in his career with a conventional pressure balanced one; Nathan demonstrates how to refinish stair treads; Tom helps a homeowner remove moss from his roof and prevent it from growing back.

  • S18E15 Indoor Garden; Fireplace Hearth

    • February 15, 2020
    • PBS

    Jenn installs a unique kind of indoor garden for a homeowner who wants to grow vegetables year round. Richard demonstrates how and why frozen pipes burst, andTom explains the basics of using a hole saw. Then, Mark replaces a common terra cotta hearth with slate tile.

  • S18E16 Dog Dish Stand; Gas Lantern

    • February 22, 2020
    • PBS

    Nathan demonstrates a mobile CNC routing machine; Tom teaches a young woodworker how to build a dog dish stand using primarily power tools; Heath explains a few different methods for wiring a portable generator to a house; Richard travels to St. Louis to install a gas lantern on an original 1890s home in a historic neighborhood; and Ross gives an update on an app he discussed a few years ago.

  • S18E17 Cherry Blossoms; Mount Rushmore

    • March 28, 2020
    • PBS

    Jenn travels to Washington D.C. to see the Cherry Blossom Festival and then helps a homeowner select and plant a cherry tree for his own house; Mark learns about how Mount Rushmore was built and demonstrates various techniques for cutting stone; Nathan visits Abraham Lincoln’s house in Springfield, IL. Then, he helps a homeowner to replace his traditional mortise hardware with hardware that locks.

  • S18E18 Custom Screen Door; Paint Trim

    • April 4, 2020
    • PBS

    Ross Trethewey tests out some new smart lighting configurations, and Tom Silva helps a homeowner build a custom screen door to fit her unique front entryway. Richard Trethewey gives some general advice on maintaining a washing machine, and Mauro Henrique teaches a homeowner some techniques to paint old 1960s wood trim with a varnish on it.

  • S18E19 Ground Wire; Fireplace Doors

    • April 11, 2020
    • PBS

    Kevin works with House One maker Jenn Largesse to demonstrate an interesting technique on a trim router. Heath explains the purpose of a ground wire and then grounds an outlet for a homeowner, while Mauro explains the different types of paint rollers and then demonstrates good rolling techniques. Mark replaces a pair of outdated, malfunctioning fireplace doors.

  • S18E20 Pedestal Sink; Grout Cleaning

    • April 18, 2020
    • PBS

    Richard Trethewey helps a homeowner replace all the plumbing components in his pedestal sink; Heath Eastman discusses some new technology for bathroom vent fans; the team shares more home inspection nightmares; Tom Silva explains how to clean dirty tile grout using only household supplies.

  • S18E21 Paver Patio; Shoe Rack

    • April 25, 2020
    • PBS

    Mark McCullough helps an expecting couple install a concrete paver patio; Jenn Nawada discusses the common elements she includes in outdoor kitchen designs; Tom Silva and Kevin O’Connor build a combination bench/shoe rack out of fir decking.

  • S18E22 Cedar Shingles; Vegetable Garden

    • May 2, 2020
    • PBS

    Tom Silva explains the architecture, installation, and maintenance of white cedar shingles; Richard Trethewey explains some of the common failure points in hose spigots and how to repair them; Jenn Nawada travels to Raleigh, North Carolina to help a couple build and plant a self-watering vegetable garden.

  • S18E23 Mantel; Too Many Light Switches

    • May 9, 2020
    • PBS

    In this episode, Richard tests a faucet, and Mark installs a mantel. Ross and Mauro discuss why and how to remove cigarette smell from a home. Then, Heath connects 4 separate switches that control 6 lights in the same room.

  • S18E24 Pantry Doors; Reflective Shingle

    • May 16, 2020
    • PBS

    Nathan installs bypass doors for a pantry; Richard tests different smart automatic water shutoff valves; Ross explores asphalt roof shingles that can reflect some of the sun’s heat.

  • S18E25 Quartz Countertops; Firepit Kit

    • May 23, 2020
    • PBS

    Kevin learns how quartz countertops are manufactured and installed. Nathan explains how to hang and display a U.S. flag, and Tom and Jenn split firewood. Then, Mark installs a fire pit that comes in a kit.

  • S18E26 Shower Cartridge; Turning a Bowl

    • May 30, 2020
    • PBS

    Nathan shows Kevin some old drywall paneling he found, and Richard teaches a homeowner how to clean her shower cartridge. Tom teaches Kevin the basics of using a lathe, and then they turn a bowl together.

  • S18E27 Summer Special

    • July 8, 2021
    • PBS

    Tom travels to Colorado to help a couple build a swing set. Then, Jenn travels to Raleigh to build a self-watering vegetable garden, and Mark helps a homeowner build a fire pit that comes in a kit.

Season 19

  • S19E01 All Hands on Deck

    • October 1, 2020
    • PBS

    In this special episode of Ask This Old House, Tom walks two homeowners through the entire process for building a two-level deck, starting with pulling permits and getting a land survey all the way through to installing the deck boards and railings.

  • S19E02 Preventing Plumbing Disasters

    • October 8, 2020
    • PBS

    Richard explains how, where, and why plumbing systems fail; Richard gives a deep dive on when and how plumbing pipes and connections can be repaired or replaced; Ross explains and demonstrates how to prevent plumbing failures with new technology.

  • S19E03 All About Walkways

    • October 15, 2020
    • PBS

    In this special episode of Ask This Old House, Roger, Jenn and Mark explain best practices for installing or repairing a walkway; Mark helps a homeowner install a brand new walkway using natural stone.

  • S19E04 Landscapes Across America

    • October 22, 2020
    • PBS

    In this special episode of Ask This Old House, Jenn explains how various climates across the United States impact the design, care, and maintenance of different landscapes, which includes discussing USDA Hardiness Zones and native plant species.

  • S19E05 All About Windows

    • October 29, 2020
    • PBS

    Tom and Kevin explain everything you need to know about using, installing, maintaining and repairing a window.

  • S19E06 Installing Water Features

    • November 5, 2020
    • PBS

    Jenn and Roger install a variety of different water features to accentuate landscapes; Roger installs an alternative to a downspout; Jenn installs a waterfall feature in a backyard that reuses water.

  • S19E07 All About Fireplaces

    • November 12, 2020
    • PBS

    In this special episode of Ask This Old House, Tom and Mark tell you everything you need to know about fireplaces; Tom builds a custom mantel for a homeowner; Richard discusses fireplace inserts; Mark replaces the hearth of a fireplace with granite.

  • S19E08 String Lights, Christmas Trees, & Happy Holidays!

    • November 19, 2020
    • PBS

    Jenn discusses Christmas trees; Richard explains what can and can’t go down a garbage disposal after holiday dinners; Heath helps a homeowner safely install a variety of Christmas lights.

  • S19E09 Reclaim Beam Mantel, Geothermal

    • January 2, 2021
    • PBS

    Nathan helps a homeowner turn a reclaimed beam into a fireplace mantel; Richard demonstrates how to change a bathroom faucet; Ross explores innovations to geothermal installations.

  • S19E10 Garden Upgrade, Adirondack Chair

    • January 14, 2021
    • PBS

    Jenn demonstrates how to clean up a garden; Ross explains how air filters can catch unwanted air impurities and demonstrates how to build a DIY one; Tom and Kevin build an Adirondack chair.

  • S19E11 Landscape Lights, Brick Walkway

    • January 7, 2021
    • PBS

    Heath installs landscape lights in a garden; Richard explains how siphons work and how they are used to make a toilet work; Tom organizes tools with pegboard; Mark helps a homeowner redo his walkway.

  • S19E12 Radiator Paint, Load Bearing Wall

    • January 21, 2021
    • PBS

    Richard replaces a weird shower valve with a conventional pressure balanced one; Mauro repaints a radiator cover with lead paint on it; Tom explains how to identify and remove load bearing walls.

  • S19E13 Mini Split, Butcher Block

    • January 28, 2021
    • PBS

    Richard explains how a mini split unit is installed; Jenn explains how to identify Japanese maple trees and how to incorporate them in a landscape design; Nathan installs a butcher block countertop.

  • S19E14 Precast Concrete, New Lamppost

    • February 4, 2021
    • PBS

    Mark learns how precast concrete steps are made and then replaces a homeowner's steps; Mauro explains how to refinish an old table; Heath helps a homeowner replace his front lamppost with a new one.

  • S19E15 Automated Landscape, Modern Bench

    • February 11, 2021
    • PBS

    Ross explores ways that landscaping could be done automatically; Mark goes over different walkway and driveway deicers and how they might impact masonry products; Tom and Kevin build a modern bench.

  • S19E16 Garbage Disposal, Concrete Wall

    • February 18, 2021
    • PBS

    Tom travels to Nashville to turn an original, exterior door into a Dutch door; Richard explains how to install a garbage disposal; Mark and Jenn reface a concrete wall with thin stone veneer.

  • S19E17 Power Washing, Deck Lights

    • April 1, 2021
    • PBS

    Tom explains how different sanders work and how to sand well; Mauro shows how to use a power washer to clean siding; the team share more home inspection nightmares; Heath installs deck railing lights.

  • S19E18 Move Baseboard, Cooler Bench

    • April 8, 2021
    • PBS

    Richard moves baseboard heat from one side of a room to another; Jenn explains the basics of selecting different species of arborvitae; Tom and Kevin build an outdoor bench that doubles as a cooler.

  • S19E19 Flickering Lights, Brick Stairs

    • April 15, 2021
    • PBS

    Jenn travels to Orlando to upgrade a homeowner's irrigation system with a smart one; Heath explains a few different ways to troubleshoot flickering lights; Mark repoints a set of brick front steps.

  • S19E20 Spring Projects: Paint, Prune, Spigots

    • April 22, 2021
    • PBS

    Richard explains a variety of failure points in a hose spigot; Mauro demonstrates the how to paint vinyl siding; Jenn explains how and why to maintain pruners; Nathan builds a custom fence gate.

  • S19E21 Echinaceas, Kitchen Punch List

    • April 29, 2021
    • PBS

    Jenn explains how to care for echinaceas; Mark explains how to cut stone with a saw and chisel; Richard replaces a kitchen sink and faucet; Tom helps a homeowner wrap up a few kitchen projects.

  • S19E22 Inspection, Door Restoration

    • May 6, 2021
    • PBS

    Heath performs an electrical inspection; the team share more Home Inspection Nightmares; Tom helps two homeowners meticulously restore their antique front door using a variety of techniques.

  • S19E23 Dishwasher Retrofit, Rolling Pin

    • May 13, 2021
    • PBS

    Richard and Nathan retrofit a new dishwasher into an old kitchen; Mauro paints wood paneling; Tom and Kevin turn a French rolling pin.

  • S19E24 Flood Prevention, Deck Hangers

    • May 20, 2021
    • PBS

    Richard installs a shutoff valve for washing machine supply hoses; Ross and Heath discuss the progression of EV chargers; Jenn discusses ornamental grasses; Nathan helps a homeowner repair her deck.

  • S19E25 Colors, Fireplace Upgrade

    • May 27, 2021
    • PBS

    Kevin and Tom travel to Montana to set up an accessible home gym for a Navy SEAL veteran; Mauro shares how to select the right paint color; Mark updates a fireplace with a stacked stone veneer.

  • S19E26 Working from Home

    • June 3, 2021
    • PBS

    Nathan builds a display case to store his grandfather's U.S. flag; Heath replaces a circuit breaker; the team shares the ways their trades were affected by the COVID-19 pandemic.

  • S19E27 Kitchen Upgrades

    • September 16, 2021
    • PBS

    Kevin learns how quartz countertops are made and helps to install one; Richard repairs a hot water shutoff valve in order to replace a kitchen sink faucet; Nathan upgrades kitchen cabinets to soft-close.

  • S19E28 Ultimate Garage Workshop

    • September 9, 2021
    • PBS

    Tom Silva travels to Chicago to transform a garage into a woodworking shop; Richard Trethewey travels to Akron, Ohio to install a heater for a garage workshop; Tom and Kevin O’Connor build a tool storage shelf.

  • S19E29 Rethinking a Garden

    • September 2, 2021
    • PBS

    Not all landscape projects require starting from scratch. In this special episode, Jenn helps a few homeowners decide which plants can stay, which should go, and which ones just need a little TLC.

Season 20

  • S20E01 Two-Prong Outlet; Deck Stair Rail

    • September 30, 2021
    • PBS

    Richard discusses pipe soldering; Heath explains what two-prong receptacles are, why they're no longer to code, and how to replace them; Nathan and Mauro build, install, and paint deck stair railings.

  • S20E02 Durable Landscape; Cutting Board

    • October 7, 2021
    • PBS

    Jenn creates a landscape that can withstand heavy pedestrian traffic; Richard explains the options available for water heaters; Tom and Kevin build a cutting board out of walnut, cherry, and maple.

  • S20E03 Hole Patches; Threshold Repair

    • October 14, 2021
    • PBS

    Jenn discusses creative options for ground cover plants; Tom demonstrates different techniques for patching wall holes; Mark demonstrates how to patch brick holes; Nathan installs a new threshold.

  • S20E04 Wood Floors, DIY Ice Rink

    • October 21, 2021
    • PBS

    Mauro demonstrates how to remove dried paint from a paintbrush; Tom shares the best techniques for connecting and installing tongue and groove flooring; Jenn and Nathan build a DIY ice rink.

  • S20E05 Smart Doorbells, Recessed Lights

    • October 28, 2021
    • PBS

    Ross discusses the pros and cons of smart doorbells; Mauro demonstrates techniques for painting wood paneling; Heath shares some of his most-used tools and helps a homeowner install recessed lights.

  • S20E06 Easier Plumbing, Roofing 101

    • November 4, 2021
    • PBS

    Mark explains how bricks are made and how many different varieties there are; Richard explains how solderless connections work; Tom assess and reshingles a shed roof with asphalt shingles.

  • S20E07 Fall Garden Tips, Paint Cabinets

    • November 11, 2021
    • PBS

    Jenn shares her list of must have gardening tools and how to put a garden to bed before winter; Mauro demonstrates how to paint a kitchen cabinet; Nathan installs exterior front door trim.

  • S20E08 An AskTOH Barn Raising

    • November 18, 2021
    • PBS

    The entire team comes together to help Mark rebuild the chicken barn he lost to a fire. They reframe the barn, hook up new electrical wiring, connect a utility sink, and hang an exterior door.

  • S20E09 Camilla's Workshop

    • December 16, 2021
    • PBS

    General contractor and expert woodworker Tom Silva meets past guest and young woodworker Camilla in her dad's shop where they catch up since they last met. After checking out some of Camilla's work, the two discuss her need for a workspace of her own. With a worktable in mind, Tom invites her back to the workshop to help with the special project, a birdhouse.