Jalan Cerita:
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.

Pemain:

Jason Lee Dave

Justin Long (suara) Alvin

Matthew Gray Gubler (suara) Simon

Jesse McCartney (suara) Theodore

Kimberly Williams-Paisley Samantha