Continuity mistake: Once the chipmunks are inside the food cupboards, they begin to devour everything inside. Theodore is seen chewing off a corner of a box of Lucky Charms cereal and eating the cereal that pours from the hole. But a few shots later when the same box of cereal can be seen, the hole that Theodore gnawed from the corner of the box is gone and the corner is fully intact. (00:11:00)
Continuity mistake: When Sophie and Alex are in the cafe the camera shows Alex from behind Sophie, and Sophie picks up a drink in the very next shot she has put it down. This happens throughout the scene in the cafe with her hands. (00:35:30)
Continuity mistake: Wizard's earring change positions throughout the film.
Continuity mistake: As Dewey's parents are dancing to Dewey's song on the radio, take notice that Dewey's mother gets her foot wrapped up in the electrical cord of the radio and falls out the upstairs window. Upon her hitting the ground, you should be able to see that there is no cord wrapped around either foot, or a cord that leads back up to the window. However, the radio's electrical cord comes out of the wall socket anyway as if it was still attached to her foot, causing the radio to go on the same journey as she did. (00:30:00 - 00:30:35)
Continuity mistake: During the September 4, 1977 show at the Masque, Darby cuts a line on his chest with broken glass. The shape and position of the cut changes between shots during and after the show.