Visible crew/equipment: When Annie Lansing is looking out of the back of her car to see if the hitchhiker is still running behind her, he has disappeared but instead you can see a crewmember through the upper left corner of the car window.
Revealing mistake: When Goldie Hawn pushes Kurt Russell off the boat you can see he has flippers on in the water.
Revealing mistake: During the "Mondo Condo" scene, the books and vases on the bookcase seem to be glued on because as the bookcase falls on Arsenio Hall, when the camera shot is in his point of view, nothing falls off as the bookcase hits the ground.
Continuity mistake: In the car chase scene, the escaped convict and police are exchanging gun fire between cars. In the different shots of the police car, the bullet holes in the windshield appear and disappear several times. Also, when three shots have been fired at the police car there are four bullet holes in the windshield.
Continuity mistake: When Daryl first meets Sukie, he has 4 scratch marks on his face, but when they play tennis, he only has 1, and then in the swimming pool, it's back to 4.
Continuity mistake: During the scene when Ernest is driving the bus "blind," the type of bus changes from a Ford to an International.
Audio problem: In the scene where Freddy cuts off a doll's head to replace Wondermut's old toy Bob, there is a close-up of the doll head being shaken with Freddy's head visible in the background. You hear Freddy saying, "Look Wondermut. I found Bob," but you can see that Freddie's lips aren't moving.
Continuity mistake: In the scene where Eric Stoltz's character, Keith, fresh out of the shower, is confronted by his father about the college money, he has two distinct hairstyles. These two hairstyles show up again at Hardy's house party.
Continuity mistake: When Keaton is talking to the plumber outside her house about the price of replacing her pipes, keep your eye on the van door. It is open, then closed and then open again.
Continuity mistake: In the scene where Loretta goes to the brother's apartment, cooks him a rare steak & they are sitting at the table talking, the label on the bottle of J&B changes direction from shot to shot without being touched.
Visible crew/equipment: In the scene where Chris is at the track meet as his father and he dives toward the finish line, you can see the air mattress that he jumps on. In the next shot, the mattress is gone.
Visible crew/equipment: When Bette Midler and Shelly Long have just found out Michael Saunters is the bad guy, there is a helicopter looking for them and they're standing in the outdoor shower stall. Bette Midler says "They're the good guys" and they run out to try to get the helicopter's attention. Right after they run out of the stall, you can easily see one or two men in the stall - they're either holding the stall up against the wind of the helicopter or they're there for some other unexplainable reason.
Other mistake: When Owen knocks the cup with soda out of his mother's hand, it hits the door, but no soda splashes on the door and the broken cup is dry.
Suggested correction: Liquid can be seen on the door.
Continuity mistake: Has a scene set during the Festival of Britain (1951). Oldman and Molina are shown at night on the South Bank of the Thames, ostensibly having just attended the Festival. In the background is a very clear view of New Zealand House, which wasn't built until the early 1960s, some ten years after the scene was supposed to take place.
Continuity mistake: When the microwave explodes, the bucket of chicken disappears right after the explosion. (00:48:50)
Deliberate mistake: This has the old T.V. show style "it was 6 a.m. on January 7th we ... " beginnings to the scenes. Pay attention to those times and dates. They're not even close to being in sequence. I mean days, not just times.
Continuity mistake: When the "ghost" is first seen, it is mostly obscured by a curtain; only its right shoulder is visible. In the next shot, however, it is right in the middle of the window, and nearly the entire cutout is exposed.
Revealing mistake: When Sweet Chuck is sitting on a bench in the gym reading a paper, the big heavy comes down and sits next to him. Sweet Chuck goes flying up in the air a second before the big guy sits down.
Continuity mistake: In the scene on the roof when the local hoodlum is attempting to take on the flying saucers you see the scene from two points of view. There are four people watching the local hoodlum getting fried. From the front, from left to right you see an old guy; a tall black guy; a women in pink and then a young guy with lots of hair. When seeing the scene from behind these watchers, you only see the old guy and the guy with the all the hair. Each time the angle changes the tall black guy and the women in pink are there.
Continuity mistake: At the end of the movie the daughter hands Harry a stem of flowers. The flowers have small daisy like heads. However, when the shot changes to show Harry holding the stem, it is very different. There are less flowers on the stem and the petals are larger.