Back in school, Alvin, Simon and Theodore must save the school's music programme by winning the battle of the bands. For this, they must beat Brittany, Eleanor and Jeanette, also called The Chipettes.
Alvin And The Chipmunks: The Squeakquel
Age 6
for Age 6 in How old I was when these films came out?
Suggested by wickedtheatrefan
Sorting films into how old I was when they came out