Through a series of misunderstandings, Alvin, Simon and Theodore come to believe that Dave is going to propose to his new girlfriend in New York City…and dump them. They have three days to get to him and stop the proposal, saving themselves not only from losing Dave but possibly from gaining a terrible stepbrother.
Cast: Jason Lee, Tony Hale, Kimberly Williams-Paisley, Justin Long, Matthew Gray Gubler, Jesse McCartney, Kaley Cuoco-Sweeting, Anna Faris, Christina Applegate
Directed By: Walt Becker
Written By: Randi Mayem and Adam Sztykiel
Based on characters Alvin and The Chipmunks created by Ross Bagdasarianand The Chipettes created by Janice Karman
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