The Simpsons season 7 episode 6
Treehouse of Horror VI
In "Attack of the 50 Foot Eyesores," strange atmospheric conditions bring giant advertising statues to life. In "Nightmare on Evergreen Terrace," Groundskeeper Willie is killed in a freak accident and seeks revenge in the childrens' dreams. In the final segment, Homer steps through a secret portal and becomes three-dimensional.
