Audio problem: Having reached her house after running home in the rain, Sarah's stepmother stands on the porch and we hear her say, "Oh, really," but her mouth does not move at all. (00:04:45)
Audio problem: When Kup and Hot Rod are smashing up the Sharkticons, Kup says something, (I think it's after he rips the tail off one of them), his mouth doesn't match what he says.
Audio problem: When Johnny starts to make impressions of advertisements he has seen on the TV, the TV magically stops making noise throughout this scene. It comes back on when Johnny has finished speaking. (00:34:50)
Audio problem: When Warren T. Rat calls open season on Fievel, the cats all scramble at once to capture him. In one shot where Fievel is running from either end of the piano, he jumps upon the same key twice. The notes play, but the key never goes down at all. (00:51:55)
Audio problem: After it's revealed that David has been missing for 4.4 hours in analysis mode on Phaelon, one of the technicians says, "Light speed theory" but the words aren't consistent with the movement of his lips. (00:36:15)