Homer and Bart befriend a diving horse at a county fair. They turn it into a racehorse with an attitude, whose success runs them afoul of mysterious, tree-dwelling jockeys.

A snowstorm traps the students of Springfield Elementary inside, with them overthrowing Principal Skinner when he uses his Army skills to control them. Meanwhile, Homer tries to rescue the children–using Flanders' car.

Homer becomes a fortune cookie writer for a Chinatown restaurant. Mr. Burns reads one of Homer's fortunes, which says that the reader will find love before Flag Day is over. Burns goes searching for love and meets Gloria, a meter maid, and asks her out. Gloria reluctantly agrees, and Burns recruits Homer to help him look young and hip to his new girlfriend.

Grampa falls in love with Zelda, a woman who has an interest in men who can drive. He decides to get his driver's license back, but is ignorant to Homer and Marge's concerns that she is only using him for his car.

An air traffic route is redirected so that airplanes start flying directly over the Simpsons' house. The noise starts to disrupt their lives and, desperate for a solution, the family turns to their Congressman. However, he dies of a heart attack, so they ask Krusty the Clown to run for Congress so that he can help them. Krusty is successful in his campaign, but finds that his air traffic bill is ignored by the veteran Congressmen. He soon becomes disillusioned with the system, so the Simpsons, with guidance from Walter Mondale, help him out by blackmailing one of his opponents and attaching the bill to a more popular one. The bill passes, and the air traffic is re-routed.

Selma has a severe hot flash while giving Mr. Burns his driving test. Dr. Hibbert explains that Selma is experiencing the onset of menopause. Selma, decides she wants a baby rather than grow old alone. Adoption is suggested, but the Springfield orphanage is empty. Lisa suggests adopting a baby girl from China - but when the Chinese government only allows married couples to adopt, Selma writes down Homer's name as her husband.

Selma and Patti's home movies make Marge nostalgic for the Barnacle Bay vacations of her youth, so Homer takes the family there, but the area has changed since the Bouviers were little girls.

Homer, Apu, Moe and Skinner volunteer as firemen after Homer's sleepwalking accident injures the town's firefighters. They do some light looting at the fires to make up for not being compensated, but Marge and Lisa shame them into mending their ways.

Milhouse stays with the Simpsons when his parents remarry each other and honeymoon on a cruise ship. But when his parents are knocked overboard and lost at sea, Milhouse decides to grow up and be a man.

With Lisa's encouragement, Marge pursues her dream of becoming a ballerina. But when Marge auditions at the ballet academy, Lisa is invited to enroll. Unfortunately, Lisa becomes addicted to secondhand smoke from the other dancers. Meanwhile, Homer's beef-jerky operation runs into a snag.

Bounty hunter Ned is forced to scrap his partnership with Homer when the hapless layabout skips bail, and Marge mistakenly takes a job at an erotic bakery.

Bart gets a perfect score on a practice test for a national achievement test, which not only rattles Lisa, but it means Bart gets to attend a special party instead of having to take the actual test. Meanwhile, Homer must avoid injuring himself for an entire afternoon after failing to pay his insurance.

When the adjustable rate on the Simpson couple's mortgage resets at more than the pair can afford, they must sell their house. Good Samaritan Ned Flanders buys the house and rents it out to them at an affordable rate. But Homer pushes his luck too far when he takes advantage of Ned's generous landlord duties.

Homer gets the lead in a movie about a superhero who can take on the powers of every superhero in any comic book he touches. To whip Homer into superhero shape, the studio hires a celebrity fitness trainer.

A bomb squad mistakenly blows up Homer's unattended gym bag, releasing radiation into the city and authorities react by suspending civil liberties. Wiggum and his men install surveillance cameras around Springfield and round up suspected terrorists, including groundskeeper Willie, but when monitoring the nonstop flow of video imagery proves to be too much, Wiggum enlists concerned citizens to help keep the city safe. Meanwhile, Lisa becomes fed up with being blonde, so she dyes her hair a dark color.

Fat Tony (voice of Joe Mantegna) woos Marge's sister Selma, and they marry. Marge worries that Selma is choosing her new lifestyle over family after the whirlwind romance, but Tony invites Homer and Marge to join them on a getaway at the Jersey shore. Meanwhile, Bart develops a gift for finding truffles, much to Lisa's delight.

Karma gets the best of Homer after he gets his friends in trouble, and as a result, his bedwetting problem worsens. The family goes on a mission to infiltrate his dreams to search for clues in his subconscious to determine the source of his problem. But just as things take a dangerous turn in the dream, a figure from Homer's past appears, and he is finally reassured that the fond memories of his mother Mona (guest voice Glenn Close) remain alive, giving him just the right amount of reassurance to cure him of his problem.

When Marge tries Homer's new high-tech glasses on, he learns she's seeing a marriage counselor; Bart refuses to buy Nelson a Valentine's Day card.

After Bart gets bullied at the school dance, Marge convinces the town to pass anti-bullying legislation. Homer then gets arrested and sent to rehab for bullying Ned Flanders, only to subsequently leave rehab as a hero.

Mr. Burns hires the Simpsons, except Homer, to be his virtual family; Homer becomes best friends with the girl next door.

Disappointed in Yale, Mr. Burns decides to start his own for-profit university and Homer is hired as a professor

Homer gets Flanders a job at the plant, and he soon learns that no good deed goes unpunished when Flanders starts to insist on carpools and demands more from Homer's work performance. Meanwhile, Marge feels as though their marriage has lost its spark.

After a failed Black Friday shopping spree, Marge is determined to fix Christmas; Homer and the kids surprise Marge with a vacation to a Florida resort.

Mr. Burns gets into the plant-based burger business. Lisa refuses to believe he's up to no good.

Krusty opens a school for clowning, and it becomes the most successful thing he's ever done.