| S2023E01 |
Do Fish Sleep?
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January 18, 2023
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| S2023E02 |
How Do Disposable Hand Warmers Work?
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January 19, 2023
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| S2023E03 |
Is January the Biggest Month for Divorce?
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January 20, 2023
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| S2023E04 |
What Are the Differences Between Mold and Mildew?
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January 21, 2023
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| S2023E05 |
How Does Shrinkflation Work?
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January 23, 2023
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| S2023E06 |
How Deep Is the Ocean?
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February 1, 2023
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| S2023E07 |
What Causes the Pain of Kidney Stones?
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February 2, 2023
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| S2023E08 |
How Do Cassowaries Work?
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February 3, 2023
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| S2023E09 |
How Did Black Inventors Change America?
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March 1, 2023
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| S2023E10 |
Why Is It Quiet After It Snows?
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March 2, 2023
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| S2023E11 |
When Were Dogs Used as Kitchen Appliances?
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March 3, 2023
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| S2023E12 |
Why Is the French Baguette Being Honored?
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March 4, 2023
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| S2023E13 |
Who's the Inventor Behind Tang, Pop Rocks, and Cool Whip?
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March 7, 2023
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| S2023E14 |
How Will the Oxford Dictionary of African American English Work?
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March 8, 2023
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| S2023E15 |
Why Do Wine Bottles Have Dents in the Bottom?
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March 9, 2023
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| S2023E16 |
How Did Some Enslaved People Sue for Their Freedom — and Win?
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March 28, 2023
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| S2023E17 |
Are Hammerhead Worms Really Dangerous?
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March 29, 2023
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| S2023E18 |
How Did Trepanation Work?
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March 30, 2023
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| S2023E19 |
Why Do We Turn Down the Radio When We're Lost?
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March 31, 2023
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| S2023E20 |
How Does Historical Cryptology Work?
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April 1, 2023
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| S2023E21 |
How Did the Radium Girls Change Workers' Rights?
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April 5, 2023
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| S2023E22 |
Are There Alien Asteroids in Our Midst?
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April 6, 2023
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| S2023E23 |
What's Happening When You Get the Wind Knocked Out of You?
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April 7, 2023
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| S2023E24 |
How Does the Martini Glass Work?
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April 8, 2023
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| S2023E25 |
What's the Legacy of African American Spirituals?
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April 12, 2023
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| S2023E26 |
Why Are Fingerprints (Almost) Unique?
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April 13, 2023
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| S2023E27 |
How Do Maraschino Cherries Work?
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April 14, 2023
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| S2023E28 |
How Did Hedy Lamarr Change Communications Technology?
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April 15, 2023
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| S2023E29 |
How Can Glass on the Moon Contain Water?
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April 17, 2023
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| S2023E30 |
What's the History of License Plates?
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April 24, 2023
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| S2023E31 |
Why Do Some People Believe Conspiracy Theories?
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April 25, 2023
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| S2023E32 |
Why Does Your Stomach Growl?
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April 26, 2023
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| S2023E33 |
How Did Hazardous Nuclear Testing Help Science?
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April 27, 2023
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| S2023E34 |
What's the World's Skinniest Skyscraper?
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April 28, 2023
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| S2023E35 |
Can Parasitic Worms Control Snails' Minds?
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May 2, 2023
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| S2023E36 |
Why Is AAPI Heritage Month Celebrated in May?
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May 5, 2023
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| S2023E37 |
Why Don't All Cans Have Pull-Tabs?
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May 7, 2023
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| S2023E38 |
What Can Cause a Late or Missed Period?
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May 8, 2023
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| S2023E39 |
How Did Art Help Spin the Civil War?
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May 9, 2023
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| S2023E40 |
How Did Cleopatra Work?
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May 15, 2023
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| S2023E41 |
Who Is the Legendary Green Man?
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May 17, 2023
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| S2023E42 |
How Did Utahraptor Work?
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May 19, 2023
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| S2023E43 |
Why Do We Call It a 'Piggyback Ride'?
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May 25, 2023
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| S2023E44 |
How Was an American Mercenary Briefly President of Nicaragua?
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May 26, 2023
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| S2023E45 |
How Does Einsteinium Work?
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May 30, 2023
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| S2023E46 |
How Do Wolf Packs Work?
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May 31, 2023
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| S2023E47 |
Did Tyrannosaurus Rex Have Lips?
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June 9, 2023
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| S2023E48 |
How Did Al Capone's Mobsters Start a Milk War?
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June 10, 2023
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| S2023E49 |
What Are the Most Common Birthdays?
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June 12, 2023
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| S2023E50 |
How Does Amazon Deliver Stuff So Fast?
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June 13, 2023
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| S2023E51 |
How Does Non-Alcoholic Beer Work?
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June 14, 2023
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| S2023E52 |
How Does the Hollywood Sign Work?
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June 28, 2023
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| S2023E53 |
Why Are Fungi Such Great Decomposers?
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June 30, 2023
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| S2023E54 |
Why Do Antidepressants Have Warning Labels About Suicidal Thoughts?
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July 3, 2023
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| S2023E55 |
How Do Coast Guard Rescue Swimmers Work?
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July 4, 2023
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| S2023E56 |
How Much Dirt Do We Eat in a Year?
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July 7, 2023
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| S2023E57 |
How Do Oysters Make Pearls?
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July 10, 2023
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| S2023E58 |
How Can Some People Brew Alcohol in Their Guts?
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July 15, 2023
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| S2023E59 |
How Does Morse Code Work?
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July 17, 2023
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| S2023E60 |
Why Is Sweet and Salty Such a Tasty Combo?
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July 18, 2023
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| S2023E61 |
How Do Toucans Work?
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July 19, 2023
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| S2023E62 |
Why Are Ice Pops Called Quiescently Frozen Confections?
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July 20, 2023
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| S2023E63 |
How Could an Underwater Highway Help Save Sea Turtles?
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July 21, 2023
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| S2023E64 |
How Does Rhodium Work?
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July 28, 2023
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| S2023E65 |
Where Did the 'Don't Tread on Me' Flag Come From?
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July 31, 2023
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| S2023E66 |
How Common Is Male Breast Cancer?
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August 1, 2023
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| S2023E67 |
Where Do Royalty's Nannies Get Their Training?
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August 2, 2023
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| S2023E68 |
How Can You Tell Ravens and Crows Apart?
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August 3, 2023
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| S2023E69 |
Why Do We Say 'Close, But No Cigar'?
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August 15, 2023
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| S2023E70 |
How Are Sharks Born?
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August 16, 2023
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| S2023E71 |
Is Microwave Popcorn Dangerous?
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August 17, 2023
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| S2023E72 |
Why Does Yoga Make People Emotional?
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August 18, 2023
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| S2023E73 |
How Do Peregrine Falcons Work?
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August 30, 2023
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| S2023E74 |
Was Humpty Dumpty Always an Egg?
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August 31, 2023
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| S2023E75 |
Why Do Beached Whales Explode Sometimes?
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September 1, 2023
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| S2023E76 |
Where Was Babylon, and How Did It Fall?
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September 4, 2023
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| S2023E77 |
What Causes 'New Baby Smell'?
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September 5, 2023
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| S2023E78 |
How Does the Portuguese Man-of-War Work?
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September 27, 2023
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| S2023E79 |
Who Was the Humboldt Current Named After?
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September 28, 2023
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| S2023E80 |
How Long Could You Hang Upside Down Safely?
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September 29, 2023
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| S2023E81 |
How Do Megamasers Work?
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September 30, 2023
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| S2023E82 |
Why Are American School Buses Yellow?
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October 1, 2023
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| S2023E83 |
How Do Alligator Gar Work?
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October 23, 2023
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| S2023E84 |
What Is Chernobyl's Elephant's Foot Made Of?
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October 24, 2023
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| S2023E85 |
Why Do Some People Hate Sounds Like Chewing?
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October 25, 2023
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| S2023E86 |
How Do Pilots 'Make Up' Time During Flights?
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October 26, 2023
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| S2023E87 |
What's the History of Paternity Testing?
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October 27, 2023
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| S2023E88 |
How Did Safety Coffins Ease Fears of Premature Burial?
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October 31, 2023
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| S2023E89 |
How Does el Día de los Muertos Work?
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November 1, 2023
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| S2023E90 |
How Does the Slow Cone Snail Catch Prey?
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November 6, 2023
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| S2023E91 |
Has London Bridge Ever Fallen Down?
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November 7, 2023
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| S2023E92 |
How Big Can a Tree Grow?
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November 8, 2023
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| S2023E93 |
Why Do Distant Mountains Appear Blue?
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November 15, 2023
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| S2023E94 |
What Are Those Black Squiggles on Roads?
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November 16, 2023
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| S2023E95 |
How Does the Saguaro Cactus Work?
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November 17, 2023
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| S2023E96 |
How Can Bugs Help Solve Murders?
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November 22, 2023
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| S2023E97 |
What's the History of Thanksgiving?
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November 23, 2023
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| S2023E98 |
How Do Marmosets Work?
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November 26, 2023
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| S2023E99 |
What Is Zionism?
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November 27, 2023
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| S2023E100 |
How Do Poinsettias Work?
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December 1, 2023
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| S2023E101 |
How Does Buzz Aldrin Work?
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December 2, 2023
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| S2023E102 |
How Does Terracotta Work?
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December 3, 2023
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| S2023E103 |
What Came First, the Chicken or the Egg?
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December 4, 2023
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| S2023E104 |
How Do Sailfish Work?
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December 21, 2023
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| S2023E105 |
How Is a 19th-Century Obscenity Law Being Used to Ban Reproductive Health Care?
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December 22, 2023
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| S2023E106 |
What Can Be Found at the Paris Bureau of Found Objects?
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December 23, 2023
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| S2023E107 |
How Far Can the Human Eye See?
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December 24, 2023
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| S2023E108 |
How Did the 1800s Create Christmas as We Know It?
season finale
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December 25, 2023
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