Continuity mistake: In the scene where the cop car is over taking the runaway car you can see the front bumper of the runaway car and it's in perfect condition however earlier you see them take it off. in the next shot its back to normal.
Continuity mistake: The blanket covers of the baby change colors from white at the arena field to multicoloured at the arena hallways. (01:22:43)
Continuity mistake: When Joe realises that Jimmy isn't turning up at the park he goes to a pay phone, puts the red notebook down with the spine faceing to the right and starting phoning the FBI. In the next shot the the notebook has rotated 90 degrees with the spine now facing the wall. (01:06:45)
Continuity mistake: When the guy at the concert is trying to sell the three remaining magazines, in the close-up shot of the magazines, he is holding them by the top of the page. But in the next shot, he is suddenly holding them by the bottom of the page. (00:01:20)
Continuity mistake: After Crocker discovers that Gregory is in his house, she tries to hand him the key to the basement at the Hotel. In one shot, when facing Crocker, the handle of the key is facing him, but when the camera is facing Gregory, the key's handle is is facing her.
Continuity mistake: Two agents show up at Professor Wahl's door. Marlan Clark introduces himself taking his sunglasses off with one hand, which becomes two in the reverse shot.
Continuity mistake: When Bill Murray is talking to the dead guy in the chair, the dead guy's eyes are open. But from a side shot, they are closed. (00:33:00)
Continuity mistake: In the scene where the protagonist is first broken out of jail, at the end of the chase scene with the last two police cars. When they hit the ramp and crash, it is two earlyish model Crown Vics. Before they crash, it is one early model Vic, and one (what was a) late model Crown Vic in 1996.