Alvin and the Chipmunks

Nightmare on Seville Street (7x4)

Air date: Sep 16, 1989

The boys disobey Dave and instead of seeing a kid's movie, they go in and see a horror movie. The movie ends up scaring the Chipmunks out of their wits. All night, the boys think that Hideous Harold, the creature from the horror film, is after them.