When Dave's concert mishap sends him to the hospital, his cousin Toby takes in Alvin, Simon, and Theodore, who trade in their stardom for a chance to win a school music competition. But they face stiff competition from the Chipettes, who work for their former manager Ian Hawke, leading to a battle of the bands and a mix of romance and chaos.

Alvin and the Chipmunks: The Squeakquel
Three singing chipmunks navigate the challenges of school, fame, and a fierce rivalry with an all-female chipmunk group.