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.
Stars: [Jason Lee/Justin Long/Bella Thorne/Matthew Gray Gubler/Jesse McCartney/Kaley Cuoco/Kimberly Williams-Paisley/Anna Faris/Christina Applegate/Laura Marano]
