
Season 21
Sep 27, 2009 · 23 episodesEpisodes
E1Homer the WhopperHomer 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 superh
Sep 27, 2009 · 22 min
E2Bart Gets a 'Z'The fourth grade students of Springfield Elementary School decide to spike Ms. Krabappel's coffee in order to teach her a lesson after she takes away
Oct 4, 2009 · 23 min
E3The Great Wife HopeThe men and boys in Springfield become obsessed with Ultimate Punch Kick and Choke Championships, a violent sport where fighters inflict severe pain o
Oct 11, 2009 · 22 min
E4Treehouse of Horror XXDial "M" for Murder or Press "#" to Return to Main Menu- Lisa is forced into a Hitchcockian murder scheme by Bart. Don't Have a Cow, Mankind- Springf
Oct 18, 2009 · 23 min
E5The Devil Wears NadaMarge 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
Nov 15, 2009 · 23 min
E6Pranks and GreensPrincipal Skinner is getting fed up with Bart's pranks, so he informs Bart that he is not the best prankster after all. A former student named Andy Ha
Nov 22, 2009 · 22 min
E7Rednecks and BroomsticksLisa befriends three teenaged Wiccans after getting lost in the woods during a game of hide-and-seek, and must clear her new friends' names when they
Nov 29, 2009 · 22 min
E8Oh Brother, Where Bart Thou?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
Dec 13, 2009 · 23 min
E9Thursdays with AbieGrampa 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 lif
Jan 3, 2010 · 23 min
E10Once Upon a Time in SpringfieldKrusty grudgingly adds a pretty, singing cohost named Princess Penelope to his show in order to attract more female viewers. Girls love her, and ratin
Jan 10, 2010 · 22 min
E11Million Dollar MaybeHomer 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 reaso
Jan 31, 2010 · 23 min
E12Boy Meets CurlHomer takes Marge out for a romantic evening of ice skating and hand-holding, but upon entering the rink, they encounter a curling team practising. Ma
Feb 14, 2010 · 23 min
E13The Color YellowWhen Miss Hoover asks her students to research their family history, Lisa is horrified to discover that most of her ancestors were bad people – a motl
Feb 21, 2010 · 23 min
E14Postcards from the WedgeWhen 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
Mar 14, 2010 · 23 min
E15Stealing First BasePrincipal Skinner announces that Mrs. Krabappel was called out of town and budget cuts dictate that, until she returns, the school's two fourth grade
Mar 21, 2010 · 22 min
E16The Greatest Story Ever D'ohedThe Simpsons family vacation in Israel with Ned Flanders, but Homer does not appreciate any of the culture—until an Israeli tour guide named Jakob sho
Mar 28, 2010 · 23 min
E17American History X-cellentWhen 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
Apr 11, 2010 · 22 min
E18Chief of HeartsHomer is completing his court-ordered community service when he befriends his supervisor, Chief Wiggum, by offering him one of his sandwiches. Touched
Apr 18, 2010 · 22 min
E19The Squirt and the WhaleThe 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
Apr 25, 2010 · 22 min
E20To Surveil with LoveA bomb squad mistakenly blows up Homer's unattended gym bag, releasing radiation into the city and authorities react by suspending civil liberties. Wi
May 2, 2010 · 22 min
E21Moe Letter BluesAs 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 chi
May 9, 2010 · 22 min
E22The Bob Next DoorBart becomes convinced that his new neighbor, Walt, is his archenemy, Sideshow Bob, disguised and back for revenge. But when Marge tries to convince B
May 16, 2010 · 22 min
E23Judge Me TenderWhen Moe discovers a hidden talent for judging contests, he is approached by a television agent to join the AMERICAN IDOL judges' panel. Moe flies to
May 23, 2010 · 22 min