Alvin, Simon, Theodore have been living with, and annoying, Dave Seville for about 8 years now. Now they discover that Dave has a girlfriend and worry that he'll dump them for her. To save their relationship with Dave, the Chipmunks must find a way to stop him from proposing.

Director: Walt Becker

Writer: Ross Bagdasarian, Janice Karman, Randi Mayem Singer

Actors: Jason Lee, Justin Long, Matthew Gray Gubler

Production: N/A