TR

Season 21, Episode 17

American History X-cellent

6.5/ 10April 11, 201022 min

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 Homer and his crew to devise a plan to bust out Mr. Burns.

Directed by
Bob Anderson
Written by
Michael Price

Guest stars

All episodes — Season 21

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  1. S21 E1

    Homer the Whopper

    Sep 27, 20096.922 min

    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.

  2. S21 E2

    Bart Gets a 'Z'

    Oct 4, 20096.323 min

    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 their cell phones. She is fired by Principal Skinner, who hires a new teacher named Zachar

  3. S21 E3

    The Great Wife Hope

    Oct 11, 20096.322 min

    The men and boys in Springfield become obsessed with Ultimate Punch Kick and Choke Championships, a violent sport where fighters inflict severe pain on each other. When Marge and her friends stage a protest against the sport, the show's pro

  4. S21 E4

    Treehouse of Horror XX

    Oct 18, 20096.923 min

    Dial "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- Springfield is once again overrun by zombies, thanks to Krusty Burger's latest sandwich. There's

  5. S21 E5

    The Devil Wears Nada

    Nov 15, 20096.423 min

    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. Meanwhile, Carl is chosen as the newest supervisor at the nuclear powe

  6. S21 E6

    Pranks and Greens

    Nov 22, 20096.122 min

    Principal 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 Hamilton is hailed as the best prankster, and Bart sets out on a mission to track Andy down.