Season 21 Episodes

Episode Guide

Judge Me Tender

Season 21, Episode 23 - Air Date: 5/23/2010
When Moe discovers a hidden talent for judging contests, he is approached by a television agent to join the AMERICAN IDOL judges' panel.
Episode Guide

The Bob Next Door

Season 21, Episode 22 - Air Date: 5/16/2010
Bart becomes convinced that his new neighbor, Walt, is his archenemy, Sideshow Bob, disguised and back for revenge.
Episode Guide

Moe Letter Blues

Season 21, Episode 21 - Air Date: 5/9/2010
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.
Episode Guide

To Surveil With Love

Season 21, Episode 20 - Air Date: 5/2/2010
A bomb squad mistakenly blows up Homer's unattended gym bag, releasing radiation into the city and authorities react by suspending civil liberties.
Episode Guide

The Squirt and the Whale

Season 21, Episode 19 - Air Date: 4/25/2010
The Simpsons decide to embrace a cheaper, alternate source of energy by erecting a wind turbine in their backyard.
Episode Guide

Chief of Hearts

Season 21, Episode 18 - Air Date: 4/18/2010
Homer is completing his court-ordered community service when he befriends his supervisor, Chief Wiggum, by offering him one of his sandwiches.
Episode Guide

American History X-cellent

Season 21, Episode 17 - Air Date: 4/11/2010
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.
Episode Guide

The Greatest Story Ever D'ohed

Season 21, Episode 16 - Air Date: 3/28/2010
When Homer is playing noisily in the yard, it disrupts Flanders' bible-study group. Coaxed by the reverend, a frustrated Flanders takes it upon himself to redeem Homer by inviting the Simpson family on his church retreat to Jerusalem.
Episode Guide

Stealing First Base

Season 21, Episode 15 - Air Date: 3/21/2010
Principal Skinner announces that Mrs. Krabappel was called out of town and budget cuts dictate that, until she returns, the school's two fourth grade classes will merge.
Episode Guide

Postcards From the Wedge

Season 21, Episode 14 - Air Date: 3/14/2010
When Bart fails to turn in his homework, Mrs. Krabappel sends a letter home about Bart's behaviour. Despite Bart's best efforts to intercept it, Homer reads the letter, and he and Marge visit Principal Skinner for a parent-teacher conference.
Episode Guide

The Color Yellow

Season 21, Episode 13 - Air Date: 2/21/2010
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.
Episode Guide

Boy Meets Curl

Season 21, Episode 12 - Air Date: 2/15/2010
Homer takes Marge out for a romantic evening of ice skating and hand-holding, but upon entering the rink, they encounter a curling team practising.
Episode Guide

Million Dollar Maybe

Season 21, Episode 11 - Air Date: 2/12/2010
Homer blows off Marge to buy a lottery ticket and winds up winning the million-dollar jackpot. Fearing how Marge will react if she finds out the reason Homer missed their date, Homer keeps his newly inherited fortune a secret and spoils his family with "anonymous” gifts.
Episode Guide

Once Upon A Time in Springfield

Season 21, Episode 10 - Air Date: 1/10/2009
Krusty is approached by two network executives who want to bring on female co-star Princess Penelope to increase the show's female demographic.
Episode Guide

Thursdays with Abie

Season 21, Episode 9 - Air Date: 1/3/2010
Grampa is sitting on a bench waiting for his family when a thoughtful-looking man named Marshall Goldman approaches him and asks to hear about his life.
Episode Guide

O Brother, Where Bart Thou?

Season 21, Episode 8 - Air Date: 12/13/2009
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.
Episode Guide

Rednecks and Broomsticks

Season 21, Episode 7 - Air Date: 11/30/2009
After getting lost in a game of hide-and-seek, Lisa wanders into the field and discovers three teenage girls who are practising Wiccans.
Episode Guide

Pranks and Greens

Season 21, Episode 6 - Air Date: 11/22/2009
Principal Skinner is getting fed up with Bart's pranks, so he informs Bart that he is not the best prankster after all.
Episode Guide

The Devil Wears Nada

Season 21, Episode 5 - Air Date: 11/14/2009
Marge and a group called the "Charity Chicks" pose for a calendar in hopes of raising money for charity, but Marge becomes the talk of the town thanks to her racy poses.
Episode Guide

Treehouse of Horror XX

Season 21, Episode 4 - Air Date: 10/17/2009
Lisa becomes livid with Miss Hoover, and in a series of homages to classic Hitchcock sets out for deadly revenge.
Episode Guide

The Great Wife Hope

Season 21, Episode 3 - Air Date: 10/12/2009
Mixed martial arts (MMA) gains popularity in Springfield, and Marge leads a protest against it. The promoter of a local MMA company decides to gain publicity from the controversy by challenging Marge to a match, with the promise that he will shut down if she wins.
Episode Guide

Bart Gets A 'Z'

Season 21, Episode 2 - Air Date: 10/3/2009
Mrs Krabappel is fired from Springfield Elementary after Bart spikes her coffee, causing her to make a drunken fool of herself.
Episode Guide

Homer the Whopper

Season 21, Episode 1 - Air Date: 9/27/2009
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.