Continuity mistake: Rumpelstiltskin looks completely different in this movie than he did in the previous film Shrek The Third; Prince Charming momentarily talks to Rumpelstiltskin in the tavern during the third film, and the character looks completely different, has a different voice and different demeanor.
Continuity mistake: During Andy's daydream at the beginning of the film, Mr. Potato Head has an eye patch over his left eye. When the daydream cuts back to reality we see that Andy has removed Mr. Potato Head's left eye to symbolize the eye patch. But when Andy's mum comes in with the video camera, his left eye is suddenly back in. (00:01:15 - 00:05:25)
Continuity mistake: When Lou and Nick are playing pool in the bar, Lou goes to break the rack and misses. When Nick goes to break them, the balls are racked in a different pattern. (00:50:10)
Continuity mistake: Gamble and Hoitz get thrown to the ground when the accounting office explodes. In an overhead shot of them rolling around on the ground, Gamble's wooden gun has fallen from its holster and is lying on the ground. Cut to a side shot and the gun is back in its holster. Gamble had both hands covering his ears the whole time, he did not pick up the gun. Then comes another overhead shot, the wooden gun is again missing from the holster. (00:48:45)
Continuity mistake: In the scene where Carrie is telling the girls about kissing Aidan, her necklace (a crescent moon) keeps switching sides. (01:48:45)
Continuity mistake: In the photo booth scene, Face gives Sosa a phone. Later on, after Hannibal had made a call to Sosa to set up a meeting, Sosa sees an incoming phone call from Face, on the phone presumably given by Face. That phone is a Nokia E71, which is a normal candybar phone. But when she receives the call, the candybar phone suddenly becomes a slider phone.
Continuity mistake: Just before Flynn cuts off Rapunzel's hair, there is a shot from behind him and he reaches up with his right hand to push her hair behind her ear. His arm is visible up to his forearm and the shackle is nowhere in sight. However, in the next, wide shot, the shackle is suddenly up around his wrist. (01:01:20)
Continuity mistake: In the dock scene where Rob Schneider kicks David Spade in the groin the first time for supposedly sleeping with his daughter, his good foot has a black shoe on it. Then as you see him kicking Daid Spade he has no shoe but is in bare feet, But when he falls down from the pain in his bad foot you can see that he now has a black shoe on his good foot again. (00:11:45)
Continuity mistake: In the scene where Sophie is first walking out of the New Yorker building, her shirt is tucked in in the first shot, in the second it is untucked, and in the third it is tucked in again.
Continuity mistake: When the 3 guys are kicking a single guy with Kick-Ass defending him and a bunch of people behind watching the fight, the trashcan on the ground keeps changing positions between shots.
Continuity mistake: When Hiccup first finds Toothless, there is a dramatic shot where the camera pans over Toothless, and his wing briefly obscures his eye, which is open after the wing passes. But look at the tip of the wing. During the shot there is a stretch of rope wrapped around it. In the next shot, the rope is much higher up the wing and not wrapped around it anymore. (00:13:15)
Continuity mistake: As Darren passes the cheese touch to the girl, she turns around in shock. In the next shot, she is standing still with everyone crowded around her running away, and Darren is no longer seen.
Continuity mistake: When Olive is at the ice cream store near the end of the film, she picks up a chocolate-coated cone off the counter and crushes it in her hand. However, in the next shot (as Olive walks away), the cone reappears intact.
Continuity mistake: When passing the lion in Trafalgar Square approx one hour in, the motorcycle sidecar swaps sides.
Continuity mistake: In one of the final scenes of the movie, George Lopez and his wife are depicted on swings with two red wines placed on a table. The scene transitions into another couple and later George Lopez and his wife are shown again. This time they toast and drink the wine on their swings. However, in this scene the wine they are drinking is white.
Continuity mistake: After June follows Roy in the middle of the night, she gets taken into the secret service. Out the back windows, it is pitch dark. Out every other window, striking daylight shines through.
Continuity mistake: Whenever Megamind or Minion uses the disguise generator, their normal eye colour always show through their disguises, such as when they both disguise themselves as the Warden (the Warden has blue/gray eyes while Megamind has green and Minion has brown). However, during the final battle, Minion disguises himself as Megamind but he has Megamind's green eyes instead of his normal brown eyes.
Continuity mistake: When Fred goes crazy for Judy the objects in the background change places.
Continuity mistake: When playing darts in the pub with her colleague, Erin is drunk. She leaves the pub without a bag, but when she arrives at home, she carries one bag.
Continuity mistake: When Bennett gives David Stutler the red handkerchief David has no ring. When David opens the handkerchief he is wearing the dragon ring in the shot and then it disappears in the next shot. This occurs after Horvath has taken the ring from David in the previous scene.