Exclusive Clips: 'Alvin And The Chipmunks'

What happens when you mix David Cross with three over-caffeinated singing chipmunks? If 20th Century Fox has their way, it will be sheer hilarity and boffo box office. "Alvin and the Chipmunks" opens December 14th, but we've got your first look below.

We've got two other exclusive "Alvin and the Chipmunks" clips right here.