Other mistake: At the end of the movie, when the president gives a speech, Mike Banning's face still shows the unhealed cuts from his fights at the White House, suggesting that this is only a couple of days or so after the event. However, the President, who was shot in the gut and on the verge of dying, is completely recovered.
Other mistake: In the scene where Willard is in his bedroom closet, he is trying to block the hole that Ben has created. On a closet shelf there is a Christmas Decorations box. The exact same box can be seen on a shelf behind his boss in the office supply room. (01:01:55 - 01:09:30)
Other mistake: When Sarah Michelle Gellar is on the bus with her boyfriend, she sees Kayako face looking at her in the window reflection and panics. When she looks back at the window she sees the normal reflection of her face. Trouble is, her reflection is turning her head and looking side to side, whilst Gellar herself is looking straight and not moving her head at all.
Other mistake: The bear is lit by a flashlight before Cole actually picks the flashlight up.
Other mistake: When either Kyle or Carson run down the staircase the rails move significantly. On a real plane this would not have passed the pre-flight safety checks and the plane would have been grounded. Nothing in the film suggests the rails would have loosened.
Other mistake: When Hilts and Ives are taken down to the cooler for the very first time, just after arriving at the camp, watch the wall as the door is closed by the guard behind Ives - it very obviously moves as the door slams shut.
Other mistake: When the firefighter is fighting with the arsonist, the gas line is disconnected from the fireplace. Just before the dramatic explosion, the gas line ignites. This is incorrect because the fire would have started from the outlet to the gas (from ignition source to fuel source).
Other mistake: In the scenes after Giovanni Ribisi is arrested, his looks are constantly changing. In scenes where he is talking to Vin Disel his face is very fat. When he walks by Abby's desk he is thin again. If you get Boiler Room on DVD you'll see an original ending where Ribisi is thin all the way through the end of the movie; Because Giovanni was preparing for a film that required him to gain 30 something pounds, the scenes that needed to be reshot for a different ending are very defined.
Other mistake: In the opening scenes, when the gang is introduced, one of the members kicks three men and knocks them out, but you can see he misses all of them by at least 6 inches.
Other mistake: When Joey Lawrence gets his hand cut off by the human, he wakes up to find his arm where his hand used to be wrapped in some kind of black cloth. It's obviously his hand that is wrapped up because the wrap sticks out too far to be only wrapping his wrist. Plus it is also bulky which gives away the hand underneath.
Other mistake: After Langdon saves the last of the Preferati by diving into the fountain, he heads off to St. Angelo with dry clothes. Since it is only ten or fifteen minutes later, his clothes should be soaked.
Other mistake: Every person in the movie has exactly the same make and model of computer with exactly the same desktop configuration on it. The number, type and order of icons is the same, as is the plain blue background. (00:30:50 - 00:31:40)
Other mistake: When Carter and Lee walk through the Crenshaw 'restaurant', the Chinese woman who yells at them speaks very, very bad Chinese - the first half is incomprehensible and the last half is mostly mispronounced.
Other mistake: In several of the scenes involving the helicopter the film was flipped. The registration numbers on the side of the chopper are backwards.
Other mistake: During the rigged card game, the angle at which the hidden camera is shown would not have supplied a picture with the view from behind Eddy's shoulder, as is shown on the screen.
Other mistake: When they look at the negatives on the boat there is the typical holes at the top and bottom of the negative. Then they magnify a part within the picture. After they look at the magnified part, but the holes are still there.
Other mistake: In the scene where Chris & Bill are about to bug Maria's phone, she is talking to her mom on the phone & Chris is on the telephone pole listening in. You can hear her talking but not her mom.
Other mistake: When Robocop is being repaired by the homeless guys, you can see clearly his stomach going up and down as he breathes. If he's mechanical he shouldn't be breathing, and even if they kept that bit of his innards, he's covered in a titanium shell so we shouldn't be able to see anything moving anyway.
Other mistake: Take a look at the size of the rock that the boys push onto Piggy. A rock of that size, falling from that height would've exploded Piggy's head like a ripe melon. It also would've crushed his body into a mangled heap.
Other mistake: During the end credits, when the Bride is driving through the cliffs, there is a part when she turns her wheel left, but the car turns right.