Continuity mistake: There's a scene at the beginning with an old man and a dog sitting on the porch. Not only does the dog go from looking right to left from shot to shot, but in one shot he actually gets up and almost completely leaves the frame, and in the next shot he's laying down again.
Continuity mistake: When Danko punches out the man hassling him when he's sat in the car, the man falls left out of shot next to the car, but when Ridzik comes back, the man is now quite a distance away from the car.
Continuity mistake: When the killer is using the R/C car bomb to follow Harry and his partner; as the R/C car approaches Harry's stopped car, it starts to swerve to the left, as if to go around. However, in the next shot, the R/C car is perfectly straight again, and lined up to go under Harry's car.
Continuity mistake: The scrub CC wears as she walks into the hospital room, as Hilary is in labour, keeps on changing position. It alternates from hanging off / being on her shoulder, without her touching it.
Continuity mistake: When Charlie (in Marshall's body) goes to the final executive meeting, he dons a pair of glasses with an ear receiver attached by wires to one of the bows. When he removes the eyeglasses prior to leaving the meeting, the earpiece remains in his ear.
Suggested correction: It was established when the salesman was talking about the device that the part attached to the glasses was the antenna and it came with a separate earpiece.
Continuity mistake: During the whole scene where Tess says good-bye to her colleagues, up to the moment when she gets out of the elevator, drops her stuff and picks it up her hair is messy and straggly. When she gets up and sees Katherine it's perfectly done up. (01:34:20)
Continuity mistake: In the scene were Jake is in the bed already after telling Christy he was really tired and didn't want to be bothered he rolls over. She comes out of the bathroom & of course fanning the room from all of his cologne. Christy lays down in bed flat with no pillow behind her head. In the next scene showing Jake's face & Christy behind him in bed she now has a pillow under her and is much higher up in bed.
Continuity mistake: When Igor grabs Tara and pulls her inside the truck, Tara drops the tomato twice between the shots. (00:54:40)
Continuity mistake: When Randy Quaid is trying to make the shot on the giant windmill, he swings and hits the ball. You can see the ball flies almost vertical and way to the right of the windmill. However the next shot shows it landing right on target.
Continuity mistake: When Bernie tries to hang himself in his bedroom by jumping off some suitcases he ties the rope around his neck. In the close-up he puts the rope behind his right ear and in front of his left ear. In the long shot however the rope is behind his left ear. In the close-up it's in front of his left ear again.
Continuity mistake: When Brad gets to his grandma's house he is standing outside her window. He holds his bag in his left hand and switches it to his right. When it cuts, he switches again. (00:10:00)
Continuity mistake: In the scene where Christopher Walken is to do pushups in the rain, the military ribbons over his left breast pocket appear and disappear depending on the shot.
Continuity mistake: When Pat and Bruce are in the garage being chased by the cars covered in ice and snow, the cars pull out to face them and you can see that the windscreens on the cars have tiny spy holes for the drivers to see through. In the next shot, when the cars are still and parked, the spy holes have been covered up.
Continuity mistake: Billy has a magic baseball uniform - at the end of the movie, he steals home again, sliding face first into the plate on his stomach. Yet when he's walking off the field with Robin and Appleby, there are no dirt marks on his uniform.
Continuity mistake: A private detective is looking for Loni and when he finds her he pulls a gun on her. She hits him on the head and he drops the gun on the floor. Loni then puls his gun out of its holster on his hip.
Continuity mistake: When Doug's F-16 is destroyed near the start of the film, the exploding aircraft is in fact one of the 'MiG-23s' from later in the film (it's clear on a slow forward setting).
Continuity mistake: When Mel Gibson is unwrapping the tarpaulin from his boat, there is less rope shown tied round it in early shots than there is in later ones.
Continuity mistake: The actress loads her 35mm Praktica camera with Kodak film. That's not really strange, but the film is situated in 1968 around the invasion of the Russians in Prague. The film cassette is clearly visible as having DX coding on one side for setting the film speed automatically. This feature had yet to be invented in 1968, because it was released in the early 80's.
Continuity mistake: When the girlfriend of the lead actor and his cousin are sitting eating pizza in a diner, his hair goes from a little messed up to extremely messed up, then back to a little messed up in different shots. He at no time touches his head.
Continuity mistake: When Darcy throws her bridal bouquet, the direction is to the left of the church, yet in the next shot, a girl at the top of the church steps is waving it in the air.