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.

A financial crisis in Springfield prompts the release of all low-level criminals from Springfield State Penitentiary, as well as the sale of many houses. Soon, a man named Walt Warren moves in next door to the Simpson family

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 Mo

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 b

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

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

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, Home

Lisa presents the story of how her southern ancestors assisted a slave to freedom for Black History Month at school.

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.

Krusty is forced to add a female character named Princess Penelope to his show in order to attract more female viewers. She immediately overshadows Krusty as the ratings improve. Bart and Milhouse want to get the show back to the way it was, but the situation gets more complicated when Krusty and Penelope fall in love and decide to get married. Meanwhile, Homer, Lenny, and Carl consider working at a competing nuclear plant when Mr. Burns cuts off their daily doughnut service.

Grampa bumps into a human interest columnist who becomes fascinated with Grampa's life and writes a series of columns about Grampa's adventures.

After Lisa informs Bart that she and Maggie have a special bond that he'll never know because he doesn't have a brother, he takes a trip to the orphanage to find out what he's been missing out on.

After stumbling upon some teenage Wiccans, Lisa accepts an invitation to join their coven. Just before Lisa is inducted Chief Wiggum arrives and arrests the three teens on charges of witchcraft; Lisa becomes the chief witness in the trial. Meanwhile, Homer starts to hang out with his new pal Cletus after discovering the slack-jawed yokel makes moonshine.

Principal Skinner tells Bart about Andy Hamilton, a former student who was an even better prankster than Bart is. Bart tracks down Andy, now 19 and still pulling pranks, and the two become quick friends.

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.

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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.

Homer is cast as the lead in Everyman, a super hero movie written by Comic Book Guy. But the newly christened actor has trouble staying on the exercise and diet regimen that his provided fitness trainer lays out for him.