Alvin and the Chipmunks

Season 1, Episode 20

Episode Title: Swiss Family Chipmunks

Air Date: 1983-11-26

Overview:

Dave drags the Chipmunks unwillingly on a camping trip in the great out doors. When they finally arrive, the Chipmunks discover large footprints and think they are being followed by Bigfoot. Eventually they build a treehouse for Dave, when he falls and injures himself badly, and Alvin and Simon go in search for Big Foot.