Continuity mistake: Woody Harrelson is just demoted from starting quarterback. He mentions to Goldie Hawn that he makes a great slot back. The next scene is of a slot back making a great run, only the slot back is black. He gets tackled and when he gets up you see a very white Woody with the ball.
Continuity mistake: At the end of the movie during the semi truck chase, the truck's grill is alternately damaged/intact between shots.
Continuity mistake: When Roger babysits Robert, the neighbour's son, he begins to cry, so Roger sits with him and watches TV. All of a sudden the tears on the childs face miraculously dry up between cuts.
Continuity mistake: After Charlie shoots April in the ass with the slingshot, she immediately turns around to see who did it. Charlie is holding it as he says "Oops" and Brad takes it from him, all the while April is turned completely towards them. Couldn't she see it was Charlie and not Brad?
Continuity mistake: When the football players are trying to chase Lucas off of the field, Lucas is not wearing or carrying his helmet, and it isn't seen anywhere near him. When the players give up and decide to continue playing with Lucas on the field, in the closeup Lucas is putting on his helmet, which has magically appeared.
Continuity mistake: About half way through the video when Casey Meadows and Battle Whitherspoon are finished making love in the mountain cabin Casey is laying on Battle's left side. The next morning when they wake up Casey is on Battle's right side.
Continuity mistake: When Dundee enters his NY hotel for the first time, he is smoking and puts the ashes on top of his hat because he cannot find anywhere else to put them. In the next shot, the ashes are no longer there.
Continuity mistake: Ray throws Audrey into a swimming pool when he discovers that she may be sneaking out on him. She is wearing a cap, shirt, shorts, socks and sneakers and is holding a bag. In the next couple of shots, she swims away and she is barefoot.
Continuity mistake: When "Lefty" is at the car crash site, you see a blue mobile home going down the road, but it is not there in the next shot. (You may not be able to see this in the full screen version (4:3)).
Continuity mistake: When the pool hustler, Jason Alexander, lights his cigarette, the match goes out before it touches the cigarette yet he still takes a drag as if it were lit.
Continuity mistake: When Max has the accident with the bus, it is only a minor fender-bender. In a later scene, his car is shown in a junk yard with much more damage to it than what was originally done.
Continuity mistake: During the big finale, David's son is seen floating in the pool. A minute later his son runs unto the deck and jumps in the pool where he already was. (01:33:35)
Continuity mistake: When Judge Reinhold is in his kitchen with Helen Slater he tells her they have to be ruthless. He sees a spider on the floor and gets a magazine and scoops it up. Then he goes outside to let the spider out and he puts the magazine down for 1/2 of a second. He was supposed to put the spider on the ground but if you look nothing comes off the magazine. Then he goes to squash it with his foot, but what can he squash if there's nothing there? (00:13:35)
Continuity mistake: In the scene where the Volkswagon is sinking in the water, the first shot shows Chuck Norris diving off the car roof and he starts to doggie paddle. The next shot is of Melody Anderson swimming and behind him, Chuck is still on the roof of the car. The next shot, he is back in the water again.
Continuity mistake: When Peggy Sue passes out at her reunion, the first shot (from her perspective) is her on the floor, looking up at her daughter and Charlie standing about 6 feet away. The second shot is her daughter and Charlie crouching down close to Peggy Sue's face. In the third shot, Charlie is instantly standing 6 feet away again.
Continuity mistake: When Peach collapses on top of Mario after the weird TV invasion, Mario's arm is on top of hers, but in the closer shot that follows his arm is distant and in fact it is behind hers the moment he turns a little.
Continuity mistake: When Beverly says goodbye to Howard the handle of her umbrella is either facing upwards or downwards depending on the shot.
Continuity mistake: The views of von Ragnar at the wheel of the semi truck show him wearing tight-fitting glitter gloves as seen into the cab, but large, looser, darker gloves in closeup shots of von Ragnar's hands on the wheel.
Continuity mistake: When Rambo and Cheung sit down to begin explaining Tuba the situation, the lid on the instant noodles cup closes slightly on the second shot. (00:22:10)
Continuity mistake: The amount of roaches in the bowl at the bar changes from less to more.