In the conclusion of the cliff-hanger which ended season six, everyone learns the identity of Mr. Burns' mysterious assailant. The culprit turns out to be the sweetest little suspect of all.
A movie based on comic book character Radioactive Man is filmed in Springfield. Much to Bart's chagrin, the coveted part of the hero's sidekick, Fallout Boy, goes to not him, but to Milhouse.
After a series of misadventures, the Simpson children are put in the custody of Ned and Maude Flanders. Learning that none of the children have been baptized, Ned sets up a baptism - which Homer and Marge thwart just in time.
After perpetrating a prank on the First Church of Springfield, Bart sells his soul to Milhouse for five dollars. Bart comes to regret his decision, and goes on a desperate quest to regain his soul. In the end, he gets it back with the help of an unexpected source.
After a trip to a petting zoo, Lisa finds herself unable to eat lamb exposing her to ridicule and resentment from her father and friends. But with help from Apu and Paul and Linda McCartney, she makes an effort to stick to her new vegetarian view.
Attack of the 50 Foot Eyesores
Strange atmospheric conditions bring giant advertising statues to life. The Lard Lad is furious at Homer for taking his doughnut, so he, along with all the others, begin destroying the town of Springfield.
Nightmare on Evergreen Terrace
Willy's death, due to disinterested parents, causes him to come back into the dreams of their children, where he kills them, resulting in their deaths in reality.
Homer finds a strange area in the house behind the bookcase. When he steps through, Homer becomes trapped in a three-dimensional universe.
Homer tries everything to get out of the plant's new exercise program and discovers that being on disability would do just that. With Bart's help, Homer starts eating everything he can, even playdough.
Homer buys a dummy and fakes his death to get out of work. Since he has died, the power company turns off the power to his home. When Homer goes to get it turned on again he discovers that his mother is still alive. He brings her home to meet his family and he discovers why he has not seen her for 27 years. She is a former hippie on the run from the law. Her old nemesis, Mr. Burns, spots her at the post office and tells the cops from Dragnet. They look for her, but she escapes again and has a tear-filled goodbye with Homer before she leaves for good.
Sideshow Bob hates television. As a prisoner, his fellow convicts (including Rupert Murdoch) watch it constantly. When Vanessa Redgrave gets her own tasteless sitcom on FOX, it is the last straw. He escapes custody, steals a bomb, and hides out in a blimp. When he threatens to detonate a bomb, the town gives in to his only demand and ceases production of all television shows. The Simpsons just happen to be at the airshow, close to the blimp. The airshow evacuates, but Bart and Lisa stay in the military base. They find Sideshow Bob and tip off the cops as to his whereabouts. Krusty manages to get back on television by broadcasting from a shack, and Sideshow Bob detonates the bomb. The bomb is a dud. He escapes in the Wright brothers plane with Bart as his hostage, heading toward Krusty's shack on a kamikaze mission. Fortunately television is saved when this plan fails.
The show opens with a montage of openings. Then Troy McClure answers viewer mail while hosting a show that features vintage clips from The Tracey Ullman Show, some outtakes and highlights from some of the previous 137 episodes. The show then closes with a montage of "hardcore nudity."
Bart sees a commercial for a new but unhappy video game. Marge does not want to get it for him because he is too young. Bart tries to rent it and tries to play it at Milhouse's. He goes to the store and tries to steal a copy of it. The security guard catches him. He leaves a message on the Simpsons' answering machine, in which he mentions that Bart is banned from the store for life. Back at home, Bart manages to gets rid of the message. Marge wants the family to go to that store to have a family portrait taken; only Bart sees the jeopardy in his returning to the store. The security guard spots him and he tells Homer and Marge that Bart is a shoplifter. Bart ruins yet another family picture. Later Homer yells at him, but Marge just refuses to talk to him. She thinks it is her fault for mothering him too much. Missing his own mother, Bart tries to hang around with Milhouse's mom. He decides to return to the store and have a picture taken of himself. He gives it to Marge and she is ecstatic. She lets him open his present early, a golf video game. The end credits show Bart playing his new game.
Homer convinces a light-headed Mr. Burns to give him 0 to register his bowling team in a league, but when Mr. Burns finds out what he has done he demands a spot on the team. Meanwhile, Bart influences a riot at school and as a result, everyone is forced to wear uniforms.
The Simpsons have a garage sale one boring weekend and here we first meet Disco Stu. Right when the sale gets moving, George Bush upstages Homer by moving in across the street. Homer starts holding a grudge against Bush; meanwhile, Bart takes on the role of "Dennis the Menace" to George Bush's "Mr. Wilson". After George gives Bart the spanking he deserves, Homer starts a prank war, which escalates into a one-on-one confrontation. This results in the Bushes leaving and Gerald Ford moving in, becoming Homer's good friend.
Marge gets an expensive "new" dress at the outlet mall. While wearing it she meets a former schoolmate who invites her and the family to the country club. Marge becomes obsessed with trying to fit in. Homer takes up golf at the club and Mr. Burns challenges him to a game. After Homer catches him cheating, Mr. Burns agrees to help Homer's family become members of the country club if he doesn't tell anyone.
The Simpsons each inherit 0 after a recent death in the family. Bart and Lisa use their new fortune to open a bank account. With checkbook in hand, Bart has the idea of writting Krusty a check, so that when Krusty endorses the check, Bart will then have his autograph. Once the check is endorsed by Krusty's offshore holding corporation, it is discovered that Krusty is guilty of massive tax evation. Devistated because his career is ruined, Krusty fakes his own death. It is now up to Bart and Lisa to bring him back to the top.
As Springfield's bicentennial celebration approaches, Lisa discovers the real truth behind town founder, Jebediah Springfield and finds herself at odds with a protective museum curator who wants to keep Jebediah's unattractive past a secret. Meanwhile, Homer becomes obsessed with being the official town crier for the bicentennial celebration.
Mr. Burns orders Smithers to go on a vacation and Smithers picks someone to replace him who he's sure won't do a better job: Homer.
Bart comes across a bum who claims to be the creater of Itchy & Scratchy. Once he is shown prove, he must convince the courts that Roger Meyers Jr. stole the bum's idea. Meyers is found guilty and Itchy & Scratchy Studios are put out of business. Bart and Lisa must now find a way to get their favorite show back on the air.
Selma, desperate for male companionship, falls for washed up actor Troy McClure, who uses his new relationship with Selma to drum up some publicity and put a boost into his struggling career.
Skinner decides to promote a take-your-kids-to-work-day on the Friday before spring break. Bart goes to the DMV with Patty and Selma. Lisa goes to the power plant with Homer. Milhouse discovers the exciting world of crackers. Martin makes money in the stock market. At the DMV Bart makes himself a fake driver's license. He, Nelson, and Milhouse look for a way to use it, so they decide to use Martin's money to rent a car. The four of them tell their parents that they are going to the National Grammar Rodeo. Instead they go out joyriding, but where should they go? Finding an old brochure they decide to go to the World's Fair in Knoxville, Tennessee. But first Nelson makes them stop in Branson, Missouri, where he can see his hero, Andy Williams. Back in Springfield, Homer asks if Lisa would like to come spend her spring break at work with him and she enjoys herself there; meanwhile, Marge becomes bored at home. Finding out that the World's Fair was over years ago, Bart and company do not find Knoxville that exciting, especially when they wreck the car. They are stranded, but they cannot tell their parents. Bart tells Lisa the truth, and she tells him to become a courier. He does and is able to go to Hong Kong free of charge with his friends. Bart tells Lisa that she needs to have somebody ship something large to Springfield. Lisa tells Homer, who is very upset, but orders the plant a new nuclear console. Bart and company return home, and everyone knows about the trip except Marge.
Small slices of life in Springfield are shown, such as: Bart carves sugar; Apu in "The Jolly Bengali"; Lisa with gum in her hair; Smithers and the bee sting; Dr. Nick saves the day; Moe gets robbed; "Skinner and the Superintendent"; Homer, Maggie and the newspaper; McDonald's Quarter Pounders vs. Krusty burgers; the Bee Man at home; Chief Wiggum, the hood and the storekeeper; Reverend Lovejoy and his dog; Lisa and the gum (part 2); Cletus the Slack-Jawed Yokel; Milhouse has to use the bathroom; Chief Wiggum, the hood and the storekeeper (part 2); Lisa and the gum (part 3); Nelson gets his comeuppance; Bart and Milhouse find the truth; The Tomfoolery of Professor John Frink is almost seen.
Bart brings Abe to school in a special day for grandparents and he proceeds to embarrass Bart by lying. Abe gets a piece of mail saying that the seventh Hellfish is dead; this leaves only two of the Flying Hellfish left alive. When one is left, he will get to claim the legacy of art treasures they kept from the WWII. Who is the other Hellfish who hasn't died? Why it's Mr. Burns. Abe doesn't trust Mr. Burns, who is scheming on how to steal the treasure. Mr. Burns hires a world-famous assassin to take care of Abe, but none of the attempts work. When Abe goes to tell Homer and the family his tale, they do not believe him. Abe stays in Bart's room until the coast is clear. Abe tells Bart the story of the Hellfish, where he used to be ranked above Mr. Burns. Bart is highly skeptical. Mr. Burns comes in the night to steal Abe's key. When Bart sees this, he decides to help Abe stop Mr. Burns from taking the treasure. They take the Flanders' boat and go diving for it. After Bart brings it up onto the boat, Mr. Burns takes it from them and the he tries unsuccessfully to drown Bart. Abe and Mr. Burns have a scuffle on the shore and Abe wins. Just as Abe gets set to take the treasure, the authorities come to take the treasure back its rightful owner, a rich German.
A bear "terrorizes" the neighborhood; the new bear patrol causes taxes to be raised. Mayor Quimby decides to blame the immigrants, who will all be deported, depending on the outcome of the proposition 24. Apu turns to Fat Tony and then the Simpson family. Apu slowly wins the Simpsons' support. He decides to take a citizenship test after Lisa discovers he qualifies. He is short on time though, so Homer helps him cram like he has never crammed before. Homer fills his head with historical "facts" (remember that Homer is really stupid). The vote on Prop 24 approaches. The town votes to deport all illegal immigrants... except Apu, the Bee Guy, Dr. Nick, and Moe, who've all passed their citizenship tests.
After Bart and Lisa inform Homer that his taste in music has become old, he decides to get into the current music scene and takes the kids to a music festival, Lalapalooza, where he accidentally discovers he has a talent for taking a canon ball to the gut. Soon Homer finds himself traveling with the festival and putting his health in danger as he continues performing his amazing feat for cheering crowds.
It is the last day of school and Lisa has no one to sign her yearbook; Bart on the other hand is quite popular. Flanders offers Homer his Little Pwagmattasquarmsettport beach house for a few days, since he has jury duty and won't be able to use it. Lisa worries about not having a friend to bring. Bart brings Milhouse, making Lisa feel depressed. Lisa decides not to bring any of her dorky things so that she can redefine her identity. She gets new clothes and searches for kids with whom to play. She finds a bunch of local kids that seem to like her for whom she is. To make her feel even more special, they reject Bart in favor of her, making Bart jealous. Meanwhile, Homer sets out to buy illegal fireworks. Lisa is acting exactly like Bart when she hangs out, infuriating Bart and he decides to sabotage her friendships. He shows them a yearbook, revealing her as a nerd. She is humiliated and angry with him. He feels bad, so he tries to win back her friends. Even though they've found out she is a nerd, it turns out that they don't mind and they all sign her yearbook.