Continuity mistake: When the Antereans go into the sea for about the second time I think, Jack stays on the boat and starts playing about with the machine and makes it go off. When it does he drops a load of sweets or nuts out of the bag he was holding, but when the camera cuts away then cuts back there are no nuts or sweets on the floor.
Continuity mistake: In the beginning of the film where Charlie watches Dandridge and Cole move the coffin into their house, there is a close-up shot of Amy removing her blouse. The film then cuts to a close-up again of Charlie and in the background Amy's blouse is still on (probably only visible in the widescreen version of the film). (00:05:20)
Continuity mistake: Near the end of movie Albert Brooks is driving to NY City. But the shot shows him driving away from NY instead of toward NY and the Lincoln Tunnel.
Continuity mistake: When Leroy is fighting Goliath in the club, the bald headed guy changes between lying face-up and face-down in almost every shot.
Continuity mistake: When Grove is shooting at Remo with the handgun and Remo is ducking the bullets, the trees behind Remo change position throughout the scene.
Continuity mistake: When Sam first enters Jack Lint's office, Jack is at the sink massaging his scalp. There is blood in the water in the sink. After Sam says "Excuse me!" a couple of times, Jack turns around, revealing that the front of his white jacket is clean. The camera cuts to Sam, who exclaims: "Jack!", whereupon there is a cut back to Jack. The front of his jacket is now torn and bloody.
Continuity mistake: As Porky's Riverboat nears the draw bridge, you see Pee Wee activate the bridge so that it begins to lower. Look at the angle of the bridge as Pee Wee is running by it, making his getaway. The bridge is almost down. The scene cuts to the River Boat's view and you can see that the draw bridge is all the way up and just starting to come down.
Continuity mistake: Near the end when the vampires are trying to get into the crypt and Jim Carrey has locked them out, we see two vampires trying to enter the room through one door and others going around to get in through the other entrance. When they get in, the vampires have reversed which entrance they were trying to use - the ones who stayed at the first door enter through the second door and vice versa.
Continuity mistake: In the beach chase scene, the sun is on the right side of the truck, in the next shot the truck goes flying off a pier with the sun on the left side of the truck.
Continuity mistake: When Jackie puts the sword in the wall you can see a hole made by the sword from an earlier scene take. When it cuts back to another shot the hole is gone. (01:08:30)
Continuity mistake: In the flashback scene (where Cassie has the crazy long hair) we see "young" Cassie perform a routine in the studio. Zach comes out of the shower towelling his hair and watches her. We see his hair is messed up having just been roughly dried with a towel. The next shot is Cassie dancing, then the next shot is back to Zach, and this time his hair is combed nicely down.
Continuity mistake: The glass window in the door to Dr. Hill's office is broken so that the main character and his girlfriend can enter. Later when Dr. Hill and his severed head return, the glass is perfectly fine.
Continuity mistake: When Monty punches that guy at the end, check out how the parting of his hair goes from left to right and back again in one shot as he falls and gets up.
Continuity mistake: When the lads run over the fire hydrant in Jonathan's father's Studie, the bumper appears undamaged. However, when they pull up in front of his house, the right side of the bumper is badly crumpled.
Continuity mistake: About one hour in, Maerose is sitting at the table talking to her father. Every shot from the front shows her with her right arm across her body, but every shot from the rear shows her arm forward on the table.
Continuity mistake: Right after Lucy buys her pictures, she walks on the plaza and takes off her coat, carrying it on her arm. When she starts fainting, George catches her and starts carrying her. Both of her arms are in clear sight and the coat is nowhere to be seen. The shot changes, and then her coat is again wrapped around her right arm, squished between their bodies.
Continuity mistake: When Mickey is being interviewed for the yearbook, watch out for students that walk in his opposite direction. There are obvious recycled extras appearing in multiple shots coming from the same direction, such as the blonde with checkered top paired up with a guy in a blue shirt. (00:09:00)
Continuity mistake: When John Candy is woken up by his wife after getting drunk with Scully, he has a hoop earring in his right ear. Later during the regatta, the earring appears in his left.
Continuity mistake: Everyone wears the same outfit during their hunt for Big Bird. Maria's changes to a dress once they arrive in Toadstool.
Continuity mistake: When Gun is having lunch with the Sensei, Gun picks up a bowl of noodles as well as two chopsticks. At first, the two chopsticks are facing outwards. But in the next shot, the two chopsticks are facing inwards toward the bowl. (00:03:53)