The Simpsons: Season 10, Episode 4
Treehouse of Horror IX (25 Oct. 1998)
Homer receives an evil hair transplant, Bart and Lisa get trapped in an Itchy and Scratchy cartoon, and Maggie is revealed to be an alien.
Director:Steven Dean Moore (as Steven 'Demon' Moore)
Writers:Matt Groening (created by) (as Rat Groening) , James L. Brooks (developed by) (as Veins Hell Brooks) , 5 more credits »