eChipmunks

what's the name of this alvin and the chipmunks movie? where alvin goes crazy?

he takes some sort of chemical or something, then he runs really fast and just goes bonkers?

Public Comments

1. You must be thinking about "Over the Hedge" with the character named "Hammy". There was also Hammy's Boomerang Adventure. Hammy is a hyperactive squirrel, not a chipmunk. That chemical you must be thinking of is either sugar or caffeine.
2. It is called: Alvin & the Chipmunks Meet Frankenstein.