"Fast & furry-ous."
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.
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Jason Lee
Dave
Justin Long
Alvin (voice)
Matthew Gray Gubler
Simon (voice)
Jesse McCartney
Theodore (voice)
Kimberly Williams-Paisley
Samantha
Josh Green
Miles
Tony Hale
Agent Suggs
Bella Thorne
Ashley Grey
Eddie Steeples
Barry
Christina Applegate
Brittany (voice)