Lang: English, French
Subtitle: Arabic, English
Stars: Jason Lee,Tony Hale,Justin Long,Matthew Gray Gubler,Josh Green,Jesse McCartney,Kimberly Williams-Paisley
Director: Walt Becker
Alvin, Simon and Theodore come to believe Dave is going to propose to his new girlfriend in Miami and dump them. They've three days to stop the proposal, saving themselves not only from losing Dave but possibly from gaining a terrible stepbrother.