Alvin and the Chipmunks
Season 1, Episode 10: Unidentified Flying Chipmunk
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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.
All Episodes - Season 1
Episode 1
The C-Team
Episode 2
The Chipettes
Episode 3
Uncle Harry
Episode 4
Rock 'n' Robot
Episode 5
The Television Stars
Episode 6
The Cruise
Episode 7
The Chipmunks Story
Episode 8
Mr. Fabulous
Episode 9
Grandpa and Grandma Seville
Episode 10
Unidentified Flying Chipmunk
Episode 11
Mother's Day
Episode 12
The Chip-Punks
Episode 13
From Here to Fraternity
Episode 14
Urban Chipmunk
Episode 15
The Incredible Shrinking Dave
Episode 16
Angelic Alvin
Episode 17
The Trouble with Nanny
Episode 18
The Bully Ballet
Episode 19
Alvin... and the Chipmunk
Episode 20
Swiss Family Chipmunks
Episode 21
Santa Harry
Episode 22
A Dog's Best Friend is His Chipmunk
Episode 23
The Curse of Lontiki
Episode 24
Baseball Heroes
Episode 25
May the Best Chipmunk Win