Alvin and the Chipmunks: The Road Chip at Lake Theater

"Alvin and the Chipmunks: The Road Chip" (Rated - PG)
Through a series of misunderstandings, Alvin, Simon, and Theodore come to believe that Dave is going to propose to his new girlfriend in Miami...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.