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.
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.
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.
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: Doomsday has a bone spike protruding up from each of his 4 knuckles. But when Doomsday grabs Superman by the head and draws back to punch him hard in the face, the spike on his thumb is missing. Superman catches his fist, and in that shot you can see two more of the spikes have vanished, and Doomsday only has one over his middle knuckle. (00:23:55)
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.
Audio problem: As the camera pulls back from the truck, a Pyro is running up at the Engi from the left side. When the Level 1 Sentry turns and kills him, the Pyro makes the Sniper's death cry. (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)