Factual error: At the very end of the film Bruce is reporting on a drive for blood donors, and Grace leads him over to the booth to give blood himself - he is even wearing a tourniquet. However, he is supporting himself on a walking stick - he is not fully recovered from the injuries he received when he was run over, which happened when he was hit by a moving car - injuries which left him clinically dead. There is absolutely no way that a person who has suffered life threatening injuries and has undergone the (inevitably) intensive drug therapies and surgical procedures involved while under treatment in hospital in the fairly recent past would be allowed to give blood. There is no way that the Red Cross (or the US equivalent) would want to encourage people who have recently been hospitalised to try to give blood. Not only would that be the height of irresponsibility, they would be wasting precious resources and staff time turning away people who would not be allowed to give blood.
Continuity mistake: In the second half of the film, Frodo has a scar on his lower right cheek, close to his chin. Many times throughout the rest of the film the scar changes position and size on his right cheek. It also appears on his left cheek in flipped shots (most obviously on the slopes of Mount Doom when Sam is cradling his head). (02:31:05 - 02:34:00)
Revealing mistake: Mr Hyde makes no bubbles when growling underwater. (01:11:30)
Continuity mistake: Unable to make his shadow stick Peter is upset and when Wendy surprises him he zooms up to the ceiling and bangs his head. In this shot the light fixture hangs flush with the ceiling under a decorative medallion around the base. Later, when Peter floats to the ceiling after John says, "You offend reason sir" the fixture now hangs way down on a very long chain. (00:15:00 - 00:21:15)
Continuity mistake: In the scene where Eddie Murphy is going into the crypt, he takes one of the lit torches. While they are trying to escape the skeletons, the door to the crypt closes and locks. When they show the shot of his son outside, you see two torches again. When he gets the doors open and they leave, you see one.
Continuity mistake: When Dr. Coleman wakes up in Anna's body, as Lindsey Lohan exits her room her bedroom door is still removed, but a few seconds after she runs out of the room after Harry the door has been re-attached.
Continuity mistake: When the lottery winner is going to die, the beer bottle he takes out of the fridge moves all over the place. It even vanishes a couple of times.
Factual error: Both the English and French armies are wearing uniforms (English red and the French blue). An army would not have had a uniform at this time - each knight would have his own standard and colours - these colours would also have been worn by his squires. The peasants (bowmen) would wear their own clothes - usually a brown or other earth tone, and definitely not a red/blue tabard.
Continuity mistake: In the scene where all of the dogs are talking in the Garage Nelly goes under a tarp of some sort.In one shot she is going under the tarp the next she is out of the tarp.And then she is back under the tarp.
Other mistake: When Jackie meets the boss of the Interpol department in Ireland, he shows everyone some sketches, the child and then a man with a hat. If you watch the picture, it changes from a man with a hat to another man without a hat back to the man with the hat and once again back to the man without the hat. (00:22:10)