Lincoln attempts to use the bathroom in the Loud household, but he must put up with his sisters' antics and outsmart his eldest sister Lori after she cuts in front of him to get to the bathroom.
A foul stench leads Lincoln and Clyde battling it, Ace-Savvy style.
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.
It’s the 12 Days of Christmas… Loud House style!
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.
When the last page of Lucy's Vampires of Melancholia book is ripped out due to Lynn using it as a makeshift diaper for Lily since the house is out of diapers, Lucy decides to come up with her own ending at Lynn's suggestion where she saves Edwin when his ship is raided by pirates led by Long Beard.
Rita asks Lynn to remind Lincoln to take out the trash. She goes around carrying a message that passes around to each sibling who mishear it because of them being distracted and it coming out in different orders.
Lynn Sr. gets a robotic vacuum cleaner and its operation keeps disturbing Charles, Cliff, Geo, and Walt. The pets work to get rid of the robotic vacuum cleaner through different ways so that they can relax in peace.
In this sitcom spoof, Lisa's robot creations Todd from "Making the Grade", Mr. Reinforced Titanium Alloy Arms from "Snow Bored", and FriendBot 1000 from "Friend or Faux" reside in Lisa's bunker where they get annoyed when the toaster they have as a roommate starts to hog the plug socket and they kick him out. When they get a robotic teddy bear as a new roommate, it becomes a nuisance and even lets Lisa's pet tentacle out of the bunker.
Clyde, Howard, and Harold work to coral their cats Cleopawtra and Nepurrtiti so that they can be taken to the vet. They must come up with different tricks to get them into their cat carrier while not getting hurt in the process.
While watching the "Muscle Fish" marathon, Lincoln and Clyde fall asleep and dream that they encounter Muscle Fish (Diedrich Bader) at Flip's Food & Fuel. When he proves to be too extreme, Flip revokes is VIP access. Lincoln and Clyde work to make Muscle Fish act less extreme. Though this proves to be tough when Muscle Fish's enemy Cephaloplex shows up.
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.
Lucy Loud breaks down her top 10 most spookiest moments of Halloween for the Loud House family!