Alvin and the Chipmunks Season 1 Episode 10
Alvin convinces Theodore to dress up as an alien to attract more fans, but they also attract some investigators with the government who research ufo’s. The investigators decide to kidnap Theodore and perform experiments on him and Alvin and Simon must think of a way to save him.
Serie: Alvin and the Chipmunks
Episode Title: Unidentified Flying Chipmunk
Air Date: 1983-10-22