Continuity mistake: When the house first becomes detaches from its foundation and becomes airborne, Russell is nowhere to be seen, although every angle of the house is shown, including underneath, the front porch and the back porch. He knocks on the door and tells Carl he chased a "snipe" under the porch - but he cannot be seen after liftoff and prior to knocking. The same thing happens near the end, when Dug claims to have hidden under the porch.
Continuity mistake: When Paul Blart puts on his Hello Kitty bandaid on his arm in the next shot it has disappeared.
Continuity mistake: After Mike and Ned fight with lightsabers, when they are in the kitchen Mike's wedding ring moves from his left hand to his right hand and back again, depending on the angle of the shot. (00:21:05)
Continuity mistake: During the sequence where Margaret proposes to Andrew on the street in New York, the same woman in a green sweater walks by three times.
Continuity mistake: In the scene where Stu, Phil, and Allan are retrieving the tiger back to Mike Tyson, the tiger scratches Phil. As they get out of the car, the camera has the tiger in full frame as he growls at Phil, you see chains around the tigers' neck as a leash that was never there before.
Continuity mistake: When Grumpy jumps the chasm to chase Dr. Marshall, there's a large green bulbous plant that moves from the side Grumpy jumped from to the one he lands on. It wasn't there before.
Continuity mistake: After the car chase, the front plate of the taxi is hanging on one side. Moments later, while driving the cab and fighting the other "alien," the plate on the taxi is in a different position (semi-fixed). (00:46:00)
Continuity mistake: When Ian films the Chipettes during the sing-off, he says, "If you like what you see then call Ian Hawke." But when someone else plays the video back later, he says, "If you're interested, then call Ian Hawke."
Continuity mistake: While being held by the two kidnappers, both Neal and Mellissa go from being handcuffed together to being handcuffed individually, and then back to being handcuffed to each other once again.
Continuity mistake: When Jane is crying and staring at the sky she is not holding a napkin, as the scene cuts back she is.
Continuity mistake: In the dream scene where Larry writes on the blackboard in front of the student audience, when Larry writes on the blackboard he writes the wrong formula "delta p = square root of <p>^2 - <p>^2". The bell rings, the students leave and you see Larry again in a close-up and above his shoulder you see the the first 2-squared moves from outside the bracket into the bracket. (01:06:35)
Continuity mistake: When Liv is cake testing/trying she gets up and walks over to a table with a mouth full of cake. Yet the direct shot afterward she is talking with no cake, and begins eating a chocolate.
Continuity mistake: In the carnivorous plant scene, Manny grabs the fruit (the bait), which is sitting in the middle of the plant. In the next few shots, the bait disappears and then is replaced with a bulb that housed the red and blue "wires".
Continuity mistake: In the scene where Clouseau is having his hair shampooed, the amount of shampoo on Ponton's hands changes, and then the suds disappear. (01:07:40)
Continuity mistake: When Kahmunrah first appears on Archie Bunker's chair, the propeller beanie cap hanging on the side of the chair disappears in the close-up.
Continuity mistake: When Garzooka goes to Garfield's house, he pounds on the door and it appears as big as him. But after he breaks the door open, the doorway is thinner. (00:17:05)
Continuity mistake: The group photo after the exam, appears three times in the movie. On the photo, apart from the place of Rancho, the other places on the photo are all different each time. (01:24:40 - 01:28:20)
Continuity mistake: When Columbus brushes Wichita's hair behind her ear and kisses her, he leaves his hand behind her ear. Her hair changes position between shots; in some it is all behind her ear, in some it is over Columbus' hand, and in others it is half and half.
Continuity mistake: In the diner scene where Bruno commits "carbicide" the exterior light goes from night to day then back to night.
Continuity mistake: When the crane breaks, it only drops one end of the cable with the hook into the hole. However, later on Mary makes a contraption which the cable snapped and both ends are in the hole, going up over the pulley on the crane. The number of cables going into the hole from the crane varies for the remainder of the movie from 1 to 2 cables - and is not to be confused with the string of lights.