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: 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: 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.
Other mistake: Look closely at the dead trooper's closed eyes. You'll notice during the length of the shot that his closed eyes move. Fast forward to make this more obvious. (00:37:55)
Other mistake: During the sequence where Bond flees the baddies during the carnival, it becomes clear that the locals made their own outfits. For a few seconds, we see a group with headpieces that read "007" - so much for "secret" agent. To add a bit of humour to the moment, a dog can be seen urinating against the passing parade.
Other mistake: When Johnny Depp finds the two bodies dead in the jeep, he turns around and spots a squirrel in the tree. We get a point of view shot looking at the squirrel, before Depp faints and the camera starts falling to the left. In the next shot, however, we are facing Johnny Depp and see he has fallen on his right side.
Other mistake: After the avalanche when the yetis are pulling the people out of the snow the first person they pull out is by a house or shrine, as they pull them out look closely at the wall right behind them--the "snow" flips up like paper.
Other mistake: In the scene where the mutants are confronted by the police on Bobby's front porch, there is a male officer to their right and a female officer to their left. If you watch, you will notice they are aiming their guns directly at each other.
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: After they kill the alien/teacher and leave the school they pass one girl in a blue/green tee-shirt with a waterbottle. Just one scene later you see this girl again under a tree, suddenly in front of them.
Other mistake: Virtually all the text in the various articles and reports in this movie are fake. Look at the John Kramer article at the very beginning, even at first glance you can tell it's an article about pilgrims or something and has nothing to do with John Kramer. Also, when Staham is going through the articles he found on Hoffman's sister, you can very plainly see that every article (there are a few) is just the same typed out story copied and pasted into various formats. (This doesn't even require slow motion, just pay attention.) (00:11:45)
Other mistake: When the chief of police is introducing Porter Nash as the new Acting Inspector he shows a copy of a paper which, if you look carefully, tells about a second cop being shot. Later in the film, the second cop is shot and then the chief is shown to be reading the same paper. (00:13:25 - 00:18:15)