Alvin and the Chipmunks

Swiss Family Chipmunks (1x20)

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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.