Troy McClure hosts a retrospective featuring Simpsons history and trivia, and series "outtakes," including an alternate ending to the "Who Shot Mr. Burns?" episode and a burping contest between Barney and baseball's Wade Boggs.

Homer, Moe, Apu and Otto form a bowling team; Bart's prank leads Springfield Elementary to adopt school uniforms. Blackboard: 'I am not certified to remove asbestos'.