Bart, Milhouse, and Martin pool their money to buy the new first issue of Radioactive Man, but their investment and their friendship are threatened when they can't agree on who will keep it.

Bart leads an uprising at Krusty's summer camp after he and Lisa are subjected to a Dickensian sweatshop.

Mayor Quimby pardons attempted murderer Sideshow Bob, who then runs against Quimby for mayor.

Marge joins the police force after thwarting a criminal, and Homer thinks he now has a free ride as a cop's spouse.

In a scheme to get Krusty's autograph, Bart sends him a check. When Krusty's offshore holding corporation endorses the check, his illegal tax shelter is exposed. In despair after the government auctions off his possessions, Krusty fakes his own death.

While researching into Jebediah Springfield's past for an essay, Lisa discovers that the town founder wasn't the hero that everyone thinks he was.

Homer bowls a perfect 300 game, then concludes that the greatest accomplishment of his life is behind him. He reconnects with the world by bonding with baby Maggie.

The Simpson family has to find temporary residence while their house is fumigated for termites. When they run out of options, they decide to become contestants on a reality show where families live in the manner that people did in 1895. The family is initially miserable, but slowly adapt to their new life, which causes the show to lose ratings. The producers decide to try to boost viewers by dumping the house in a river and forcing the family to survive in the wilderness. However, the Simpsons find a bunch of rejects from other reality shows and they attack the producers.

A snobby British filmmaker named Declan Desmond begins making a documentary about student life at Springfield Elementary School. When introduced to Lisa, he tells her that she has too many goals and suggests that she pick one career. Lisa focuses on astronomy, but cannot watch the stars because of light pollution. She convinces Mayor Quimby to decrease the light's intensity during the night, which only results in an increase in the crime rate. Quimby bows to public pressure and switches the lights back on permanently. Lisa overloads the generators at the Power Plant, causing a power outage, and is able to watch a meteor shower undisturbed by light.

Springfield legalizes same-sex marriage to increase tourism. After becoming a minister, Homer starts to wed people to make money. Meanwhile, Marge's sister Patty comes out as a lesbian and reveals that she is going to marry a woman named Veronica.

Lisa does what every little sister has dreamed of - she gets a restraining order put on her big brother. Bart is forced to live in the back garden, but soon realises the joy of communing with nature.

When Bart decides to spend a bit of time with Marge, it's not long before he's buying tea sets and singing duets. Has he turned into a mummy's boy?

Homer becomes Springfield's safety guru and before long he's challenging Mayor Quimby for office. Until, that is, there's an embarrassing mishap with his costume.

After Bart steals a key from Principal Skinner's office and gets himself into hot water, Marge and Homer send him to a behavior modification camp.

As the family waits for their food at “The Frying Dutchman,” they pass the time by telling stories. Lisa tells about the Mayflower’s journey to America, where Marge and her kids are Pilgrims and they are joined by a knave named Homer who joins their family to escape the authorities. Bart recounts the story of Mutiny on the Bounty featuring Skinner as Captain Bligh and Bart as Mr. Christian. Homer tells the tale of the maiden voyage of a cruise ship in the 1970s featuring of a ship that can’t flip over, which of course it does and the attempts of the survivors to get out of the ship alive.

The family attends "Stab-A-Lot: The Itchy and Scratchy Musical." The musical's director is a graduate of Springfield Elementary and Principal Skinner puts his foot in mouth when he makes sexist comments about her education and that of women in general. He tries to make the situation better, but only buries himself deeper and deeper until he is fired and replaced by Women's Educational Expert Melanie Upfoot. The first thing she does is split the school into girls and the boys. Lisa dislikes the way girls are being taught math and she ventures over to the boy's side of the school in search of a challenge. Disguising herself as Jake Boyman she starts attending the boy's school but while she finds the math problems more interesting, it is being a boy that is a greater challenge.

Homer is bamboozled by Army recruiters and winds up in basic training, where he runs afoul of a tough-minded colonel and is assigned to play the enemy in war games.

In a parody of "24," the school's Counter Truancy Unit tries to stop three sixth-graders planning to disrupt the school bake sale with a stink bomb.

The series' 18th Halloween show features three vignettes that parody movies: one that spoofs "Mr. & Mrs. Smith"; one that sends up "E.T."; and one that parodies "Se7en."

Marge opens a gym for real women because she's disenchanted with Springfield's snooty, glitzy L.A. Body Works. Her gym, Shapes: A Gym for Women, is a huge success, launching a chain that makes Marge rich and famous. But Homer fears Marge will leave him for someone more attractive and goes to extreme lengths to try to save his marriage.

One snowy day in Springfield, Lisa informs Bart that she and Maggie share a bond that Bart will never understand because he doesn't have a brother, so Bart asks Homer for a baby brother. When Homer denies Bart's request, Bart makes his way to the Springfield Orphanage to find what he thinks he's missing.

Moe's bar rag explains that he started as a medieval tapestry a thousand years earlier; Bart tries to reconcile with Milhouse; the disappearance of Moe's bar rag makes him realize he has friends.

When Retirement Castle is closed, Marge asks Grampa and two other octogenarians to move in; Nelson befriends Bart after Bart defends him.

The Planet Express crew come to present-day Springfield to prevent the Simpsons from destroying the future.

Bart takes a dare, and ends up in the hospital. To cover for himself and Homer, he says he went to Heaven and met Jesus. Christian producers offer the Simpsons a movie deal, which Homer takes. But Bart can't deal with the guilt and comes clean to Marge after the movie is finished.

When Marge realizes that everyone views her as boring, she takes up competitive lumber-jacking as a hobby (and has a real gift for it). The circuit of competitive timbersports takes her on a month-long retreat to Portland with her trainer, Paula, whom Homer worries is going to steal her away forever

Sideshow Bob gets contracted as this year’s mall Santa. Meanwhile, someone is stealing all the Christmas packages off people’s front porches.

Homer and Marge attend Artie Ziff’s wedding and become quite uncomfortable when they realize that his bride-to-be is a clone of Marge. Meanwhile, Lisa grapples with the misogynistic implications of the immediate popularity she receives after getting her new Invisalign braces.

Marge recruits Chrissy Teigen and John Legend for an education-based proposal.

Bart accidentally sees a new superhero movie one month before its intended release, and uses his knowledge to terrorize the other fans. Two executive producers of the film attempt to prevent Bart from leaking any more news to the public.

Bart bonds with Ned Flanders, which leaves Homer jealous, so he retaliates by mentoring Nelson Muntz; a heroic act by Homer makes Bart look up to him again.

Helen Lovejoy's request for a youth pastor is answered by Bode Wright, a charismatic young preacher from Michigan. When Bode quickly has the Springfield congregation enamored by his easy-going and liberal approach to religion, an outcast and suspicious Reverend Lovejoy decides to look into the newcomer's past.

Bart becomes a voice-over actor; Comic Book Guy is humiliated at Comic-Con; Lisa is set up for a fall.

Bart becomes a successful caddy, but Marge worries it is ruining his character.

Marge puts a hurtful word in Lisa's brain and Bart gets swole.

Homer becomes a pariah when footage of him allegedly leaving Santa's Little Helper in a hot car goes viral.

A future tale of the will-they-won't-they-I-guess-they-won't-maybe-they-will of Springfield's most unlikely couple.

When Bart discovers a profitable glitch in an online game, he ropes Principal Skinner into his lucrative criminal enterprise. Marge and Maggie discover paradise.

Girls just want to have funny.