When Theodore discovers Alvin and Simon have a secret club, he promises not to tell anyone if they let him join. When pirates show up at the house, the boys do all they can to protect a treasure chest ...

Last night at 2:17 AM, every child from Mrs. Gandy's class went missing.

Everyone's favorite chipmunks -- Alvin, Simon and Theodore -- are back in this computer-animated version of the classic animated series. The brothers are famous rock stars who tour around the world ...