Other mistake: Before the Chipmunks and Chipettes begin their hot air balloon race, Klaus goes through the rules explaining that each team will be given the opposing team's doll when they reach various destinations across the globe. He then walks over to the Chipettes and hands Jeannette a trunk full of Chipmunk dolls - but they're not supposed to receive any Chipmunk dolls until the race is in progress. (00:14:35)