Tree House of Horror III: The Simpson's Halloween Special III - S4-E5
Carl: Hey, I heard we're going to Ape Island.
Lenny: Yeah, to capture a giant ape. I wish we were going to Candy Apple Island.
Charlie: Candy Apple Island? What do they got there?
Carl: Apes, but they're not so big.
Tree House of Horror III: The Simpson's Halloween Special III - S4-E5
Bart: Dad, you killed the Zombie Flanders!
Homer: He was a zombie?
Tree House of Horror III: The Simpson's Halloween Special III - S4-E5
[Every character is throwing something into a bottomless pit.]
Homer: [Throws in evil Krusty doll] Goodbye dolly.
Italian Mobster: [Throws in dead body] Arrivederci, Vito.
Man: I was a fool to think anyone would want nude photos of Whoopi Goldberg. [Throws them into the pit, the pit throws them back out] What the?
Answer: Willy referred to an encounter he believed he had with actual aliens, while Wiggum thought he was referring to the arcade game.