After displaying a talent for judging contests, Moe is invited to appear on “American Idol”; Homer gets on Marge’s nerves when he spends too much time at home.

As Mother’s Day approaches, Moe narrates an episode in which he writes a letter to Homer, Apu and Reverend Lovejoy, who are vacationing with their children, and threatens to run away with one of their wives. While the trio tries to determine whose wife Moe is referring to, Homer, Lovejoy and Apu flashback to the intimate moments they initially ignored between Moe and Marge, Manjula and Helen Lovejoy. But when the boys return from their...

When radiation is released into the city, authorities suspend civil liberties; tired of being blonde, Lisa dyes her hair a darker color.

The Simpsons decide to embrace a cheaper, alternate source of energy by erecting a wind turbine in their backyard. But when Homer realizes some of the power is being directed to the local electric company, he decides to remove his home from the grid and becomes completely dependent upon an unreliable source of power. Meanwhile, a storm erupts, trapping a magnificent 150-foot-long blue whale ashore, and Lisa and Homer attempt to help the...

Homer is completing his court-ordered community service when he befriends his supervisor, Chief Wiggum, by offering him one of his sandwiches. Touched by the act of kindness, Wiggum assigns the other convicts unpleasant tasks, but allows Homer to join him at the picnic table. They continue to grow close, but when the Chief gets injured during a botched bank robbery, Homer doesn’t come through when Wiggum needs him the most....

When the police are called to diffuse a rowdy crowd at Mr. Burns’ estate, one of the officers recognizes priceless stolen paintings on the walls, and the maniacal billionaire is taken downtown for questioning. With Mr. Burns gone, Smithers takes charge of the power plant. But when employees take advantage of his good nature, he exacts revenge by forcing the employees to work night and day. These unfair working conditions prompt...

Flanders invites the Simpson family to a church retreat in Jerusalem in hopes of redeeming Homer.

Bart and his classmate, Nikki (Sarah Silverman), develop a flirtatious rapport; first lady Michelle Obama (Angela Bassett) comes to Lisa’s defense when she is ostracized for being an overachiever.

When Bart fails to turn in his homework, Mrs. Krabappel sends a letter home about Bart’s behavior. Despite Bart’s best efforts to intercept it, Homer reads the letter, and he and Marge visit Principal Skinner for a parent-teacher conference. Furious, Homer punishes him, but Marge takes a more sympathetic approach. When Bart realizes he can pit Homer and Marge against each other to his benefit, his scheming reaches new heights. In

When Miss Hoover asks her students to research their family history, Lisa is horrified to discover that most of her ancestors were bad people – a motley crew of horse thieves and deadbeats. But while rummaging through the attic, Lisa happens upon a diary kept by her ancestor, Eliza Simpson. As Eliza’s story unfolds, Lisa learns that her family was part of the Underground Railroad, a group that helped slaves escape to freedom. Eliza...

After discovering their love of curling Marge and Homer try out for the Olympic team and actually make it to the 2010 Vancouver Games. Meanwhile, in Vancouver, Lisa develops an addiction to collecting Olympic pins.

Homer skips a date with Marge so he can buy a lottery ticket; when he wins a million dollars, he fears Marge’s reaction to having blown off the date for a chance at fortune and he keeps his winnings a secret while showering the family with anonymous gifts.

Milhouse and Bart try to help Krusty regain his popularity after he is forced to restructure the format of his TV show.

Grandpa becomes famous when a human-interest columnist publishes his anecdote about serving on a battleship in World War II that was struck by a torpedo. Guest Mitch Albom provides his own voice.

Bart decides he wants a brother after observing Lisa and Maggie’s bond when the power goes out during a blizzard. Peyton, Eli and Cooper Manning, Kim Cattrall, Huell Howser and the Smothers Brothers have voice cameos as themselves

Marge poses for a calendar for charity, but she is soon the talk of the town after she reveals a little too much during her photo shoot.

In “Treehouse of Horror XX,” Lisa is drawn into a Hitchcockian revenge plot when she isn’t chosen for an academic honor; Krusty invents a ghastly fast-food item that unleashes a plague of zombies; and Moe’s microbrew has a vile secret ingredient.

When the male population of Springfield becomes obsessed with Mixed Martial Arts, Marge and some friends organize a protest. A MMA show promoter gets wind of Marge’s protest and challenges her to match and agrees to shut down the show if Marge wins.

Mrs Krabappel is fired from Springfield Elementary after Bart spikes her coffee, causing her to make a drunken fool of herself. She is replaced by a cool new teacher, Mr. Vaughn, who is a quick hit with the kids. Bart, however, struggles with the guilt and considers telling Principal Skinner the truth.

Comic Book Guy casts Homer as the lead in a feature film.