Continuity mistake: When "Emperor" Moe appears in front of Marge, after she and the kids return, the two cartridge belts swung over Moe's shoulders switch from his left over the right, to his right over the left. (01:04:50)
Continuity mistake: When Barry gets stuck inside for the first time, he hangs onto the drapes. His arm is straight across, but in the shot behind him, his arm is now bent and raised and above his head.
Continuity mistake: During the fight between Raph and Leo, Raph breaks Leo's swords. Later when Raph gives the broken swords to Splinter they are broken much closer to the hilt then before. (00:56:40 - 01:00:25)
Other mistake: When Leela is signing the petition, Amy grows a third arm for a split second.
Other mistake: When Skinner calls his lawyer he never dials the phone.
Continuity mistake: When Snow White rips off her sleeves she has a tattoo on her right shoulder. Later, when she calls the animals to attack the guards, the tattoo is gone.
Audio problem: At the scene where Mikey asks the elder penguin if anyone surfs in Shiverpool, when he says,"You know you're standing on thin ice," his beak never moves.
Continuity mistake: When Ben and Gwen are fighting off aliens on Incarcecon, right after the tetramand destroys the hoverboard, the Omnitrix is missing from Ben's wrist.
Other mistake: Right at the beginning of the movie, when Lewis's real mum picks him up from the box and hugs him, it's no more than three seconds before she hears Lewis from the future slipping on the step. She gets scared and puts baby Lewis back in the box. When Wilbur takes Lewis to meet his mum, near the end of the movie, the time his mum holds the baby is more than twenty five seconds.
Continuity mistake: While discussing her bodily changes during adolescence, Marji says her left foot became enormous, but the scene shows her right foot growing larger.
Continuity mistake: When Abe is being tortured by the Harpies, at one point, you can see that his body is covered with cuts and his blue-colored blood. The blood then disappears and reappears in subsequent shots.
Continuity mistake: When Doomsday slams Superman down into the subway, the hole they make in the street is right in the middle of a crossing. But a minute later in the film as civilians are walking up to the hole, there are no lines anywhere around it. Moments later after Jimmy takes a picture of the hole, the shot cuts to a far angle and now the hole is next to the crosswalk lines, and in that shot the stairway entrance to the subway station also vanishes. The road also becomes much wider with more lanes, and the red truck turns around. (00:22:40 - 00:23:25)
Revealing mistake: Meatwad and Shake get booted off the computer by Frylock so he can find instructions to the Insane-O-Flex. Watch the computer monitor. It rumbles, but the logo on it stays still.
Character mistake: As the camera pulls back from the truck, the Level 3 Sentry on the ridge looks up and fires rockets into the sky for no reason while the enemies are advancing from in front. (00:01:10)
Continuity mistake: When Garfield and Odie are on a fence trying to "leap" into the comic world, Odie's bone disappears in the close up shot and does not come back throughout that scene. (00:51:45)
Continuity mistake: Throughout the movie, Cinderella's hair goes from loose to being tied into a ponytail.