Lincoln finds himself with unexpected free time after his sisters think that he is bad luck and ban him from attending their activities. Lincoln and Clyde's class is going to be dissecting frogs. When Lana hears about it, she convinces Lincoln that it is wrong, and the two embark on a frog rescue mission.
It's April Fool's Day again, and the Loud family thinks they are safe when they convince prankster Luan to spend the weekend at camp. But when Vanzilla breaks down in front of a motel, the family finds they aren't so safe from her pranks after all. The kids discover their dad isn't at his IT job anymore, and is now a dishwasher. Convinced it's their fault, the kids vow to get Lynn Sr. another IT job.
When Luan realizes how her siblings complain about her jokes, she gives up her passion. But the others feel bad about it, so now they have to show Luan that she is funny. Knowing Leni's history of spoiling surprises, the kids decide not to tell her about Rita's upcoming party, but keeping Leni away is no easy task.
On Halloween, Lincoln and Clyde plan to go to the fancy gated community of Huntington Manor at Huntington Oaks in order to get the full-sized candy bars. Meanwhile, Lucy assembles a haunted corn maze and operates it with the help of Lori, Leni, Luna, Luan, Lynn, and Rita. Also, Lola, Lana, Lisa, and Lily compete to see who will get maximum candy as a reluctant Lynn Sr. escorts them.
The children give Lily an old singing toy from the attic to help her stop crying, but it quickly drives them crazy; when the toy is taken away from Lily however, it causes her to become increasingly sad. The kids try to convince their Dad of the wonders of modern technology after he declares war on their electronic devices.
At Gus' Games 'n Grub, Lincoln is celebrating his David Steele-themed 12th birthday with his parents, friends, and Leonard. The gift from his dad and Leonard suddenly goes missing. / At Dairyland, Luan arrives to meet up with Benny who mentions that there is a casting audition for Heidi Heffer in "A Cream Come True".
As Lola is driving around upstairs following the completion of pageant season, Mr. Coconuts suffers a crossing accident as Luan persuades Lola to be her acting ventriloquist dummy until further notice. / Taking place before "Bummer Camp", Leni hears from Lori that they will be a 50% sale at the outlet mall.
The Loud House gets a call from Leonard stating that a new bunch of campers are coming and that all the counselors have quit during camping. / Lisa's new mail system delivers the mail received from the mail carrier as Lana has been invited to her friend Kayla's slumber party attended by Kristen and Ashley.
As the McBride family hold a party for Cleopawtra and Nepurtiti's graduation from Madame Furball's Academy for Refined Females, Gayle calls them up to ask when they are coming over for her birthday. / Lola finds out from Meryl is covering for Cheryl who is helping to decide who will win Miss McFiggle Lifetime Achievement Award.
As Gus is debuting a new pizza flavor at Gus's Games & Grubs, Rodney shows up wanting Rusty to watch over Duds for Dudes while he goes to Hazeltucky to get the wrong swatches exchanged with his fabric guy. / Stella wins a school competition and is super excited until she learns she has to give a public presentation.
Clyde spirals and struggles to make even the smallest decisions; Lola and her nemesis, Lindsey Sweetwater, join forces to uncover a mystery while competing at a pageant.
Lincoln and his cousin Shelby try to convince Shelby's family to move in next door; Lynn lands a gig as a junior trainer at her uncle's gym.
Trapped in Dairyland's kiddie zone, Lily launches a daring escape plan; Lincoln's perfect birthday gift for Clyde is a bust, leading him and Leni on a chaotic quest to find the perfect gift.
Lana takes on her toughest pet-matching client yet; after scoring a perfect test result, Zach's ego balloons.
When Rusty and Amber rekindle their romance, their plans are thrown into chaos when their business rival parents forbid the relationship; Lori launches a desperate plan to prove she's winning her breakup by finding a new boyfriend before her social media reputation takes a hit.
The Morticians' Club accidentally unleashes a cursed cookbook into the school; Leni finds herself torn between her dream career in fashion and her eco-conscious boyfriend.
When more Louds move in across the street, Mr. Grouse's peaceful life is turned upside down; Lynn turns her obsession with scoring baseball tickets into a sports vlog in the hopes of getting press passes.
Shane's first day at Royal Woods High goes off the rails; Lisa faces stiff competition against a new young prodigy at the school science fair.
When Stella overhears her classmates calling her a "teacher's pet", she sets out to change her squeaky-clean image; Lori's barista job takes an exciting turn when she's invited to apply to a prestigious coffee university.
After scoring free food, Lola goes on a spree of exaggerated complaints to scam perks around town; Tired of suffering through brutal PE classes, Lincoln and friends challenge the faculty to gym games to end the tradition.
Lucy learns that forced friendship comes with grave consequences; Lana's investigation into a missing frog uncovers a family secret.
When Lisa warns that his generosity is bankrupting the restaurant, Dad adopts a ruthless new management style; Lincoln scrambles to fulfill the lofty goals he set for himself five years ago.
Luan casts a spell to bring her puppet Mr. Coconuts to life; Mom and Dad crash the kids' schools and their social lives when they realize their children are growing up.
When sickness leaves Lola hopelessly out of style, she enlists Leni and Miguel to predict the next big trend; when the Moon Goats try to impress a famous music producer with their new hit, they are shocked to find a rival band performing the exact same track.
Desperate to get a picky Lily to eat, Dad dons a 'Blarney' costume, but his commitment to the bit spirals out of control; when the Glee Club enters a televised competition, Lincoln is dubbed their "secret weapon."
Benny joins a local biker gang to toughen up; Lisa discovers that laughing improves brain function.
Lincoln and the gang discover a ticket-dispensing glitch and plan to score big, until a group of bullies blackmail them; Aunt Ruth sends the Loud siblings a windfall of cash, and Lucy is struck with a severe case of buyer's remorse after her purchase at a spooky warehouse.