Lynn Loud Sr. and Rita Loud meet the Yates Family, consisting of Jancey and Bumper Yates Sr. and their children Beatrix Yates, Belle Yates, Bumper Yates Jr., and Beau Yates. As they see that they have an impressive life, Lynn Sr. and Rita think that their children aren't doing enough to ensure their successful futures and have them do various things to make them more well-rounded like the Yates Family.
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.
Leni has been known to ruin the surprise party of her siblings. To keep Leni from ruining the surprise birthday party for Rita, Lincoln must work to keep Leni from spoiling the birthday surprise. As Lincoln does his part of the assignment, the rest of Lincoln's sisters work to get the party ready including the part where they involved inviting people they know to the party.
Lincoln and his family shake things up with their craziest family moments.
When Lori and Bobby attempt to have their daily conversation, a few misunderstandings lead to them having a rather awkward conversation. Because of this, the two fear that dating long distance isn't working out for them. With encouragement from their respective parents, Lori and Bobby attempt to show each other that they care for each other though various means, like signs of affection, a home video, and virtual dating, but when that ends up not working, the two decide to spend their day together, which is just as troublesome as when they were separate.
Lynn Sr. finds out that Lynn's Table has gotten a bad review on the review website Nosh from NewNosher123 and the kids find out about. To find the culprit that is in Royal Woods, Lincoln has his sisters look for suspects and interview the other restaurants that got a thumbs down. With their suspects being Principal Huggins, Mr. Grouse, Scoots, Mrs. Bernardo, and Flip, Lincoln, his sisters, and Todd plan to lure their suspects to Lynn's Table to find out who is NewNosher123.
At Royal Woods Middle School, Lincoln, Clyde, Liam, Rusty, Zach, and Stella are in need of new broadcasting equipment for the Action News. They are approached by Chandler who offers them new broadcasting equipment. In exchange, he wants them to join the Action News Team. When that happens, Chandler makes things difficult for them by wanting a bigger part in exchange for more broadcasting equipment. Now they must find a way to get Chandler off the Action News.
Ever since she started Fairway University, Lori has missed a lot of stuff. At the advice of a classmate, Lori heads home for the weekend to see her family. As her siblings have plans, Lori tags along to the different activities in order to get caught up with them. When the first day goes wrong, Lori gathers her siblings for different activities the next day like the minigolf course, Dairyland, and Tall Timbers Pond which goes comically awry.
Lily has been having recurring nightmares and neither of them understand her descriptions. Upon getting a description of Trashy and Tentacle, Lisa invents a dream machine in order to enter Lily's dream where she brings Lincoln, Lynn, Lola, and Leni along for the ride while having them use the return button if it becomes difficult. After Lisa's Lull-a-Bot helps them into Lily's dream, Lisa, Lincoln, Lynn, Lola, and Leni search for the nightmares plaguing Lily. Meanwhile, the rest of the family work to keep Lily from waking up while everyone is in Lily's dream.
Desperate to get off Santa's Naughty List before Christmas, Lincoln resorts to hacking into the North Pole computers and putting himself on the nice list. But when the hack gets out of control, he ends up reversing the Naughty/Nice lists around the world and turning the North Pole itself Naughty. Lincoln enlists his family to go to the North Pole and try to fix the mess he made. Teaming up with his new frenemy, Duncan, the elf who first put him on the naughty list, Lincoln and the Louds must battle a now evil Santa and his minions to save Christmas.
After Clyde can't get a hold of his therapist, Dr. Lopez, he 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.
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 she's caught in the middle of a protest targeting her new boss's latest invention.
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 when his showy entrance triggers a chain reaction of chaos.
Lisa faces stiff competition at the school science fair when a new young prodigy challenges her top-genius.
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.
When the Morticians Club members return from break with new hobbies, a desperate Lucy casts a spell to bind them together, only to find 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 that threatens to drive away his loyal customers for good.
Lincoln scrambles to fulfill the lofty goals he set for himself five years ago before a kindergarten time capsule is opened in front of the entire middle school.
After her family demands she stop treating her puppet like a person, Luan casts a spell to bring Mr. Coconuts to life.
Panicked by the realization that their children are growing up, Mom and Dad attempt to maximize their remaining time together by crashing the kids' schools and social lives.
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 she refuses to do anything without the mascot present.
When the Glee Club enters a televised competition, Lincoln is dubbed their "secret weapon," but the immense pressure to win causes him to lose his voice.
Fearful that Luan will fall for her cool co-star, Benny joins a local biker gang to toughen up for the lead role.
When Lisa discovers that laughing improves brain function, she finds the only thing that can make her laugh comes with dangerous stakes.
When Lincoln and the gang discover a ticket-dispensing glitch at Gus' Games and Grub, their plan to score big backfires when a group of bullies blackmail them into wiping out the prize wall.
When Aunt Ruth sends the Loud siblings a windfall of cash, Lucy is struck with a severe case of buyer's remorse after her purchase at a spooky warehouse.