Audio problem: When the guy in Jack's truck says "You better pay for that camera", his mouth doesn't match his words.
Audio problem: When Tyler goes out to the unheated shed and finds the dirty diapers, you hear flies buzzing. This movie is in the middle of winter with snow on the ground. (00:24:20)
Audio problem: The original audio track for the saloon scene towards the end was accidentally lost during filming. Because the film was largely ad-libbed, not all of the lines could be recalled when the scene was dubbed in post production. As a result, lip movement is matched rather poorly to the audio.
Audio problem: When Jill reveals herself as the second killer, we hear Sidney say "Jill". But her mouth doesn't move.
Suggested correction: You can say "Jill" without moving your mouth.
Audio problem: When Junior is riding his motorbike around, screaming "they hurt me, ma," in many wideshots we hear him yell but his mouth is closed. (00:55:20)
Audio problem: During the open sequence, when the fish and game officer is dragged across the water during the attack, you can hear him screaming with a scuba regulator in his mouth. While it's possible to scream with a regulator in, it wouldn't sound like that.
Audio problem: While Gerry is talking to the C.I.A. Agent, a side view of the agent's face is seen as he says "That's the man in Jerusalem you want to see." The movements of his mouth and cheek does not appear to match up to what he is saying at all. (00:43:55)
Audio problem: When the band is playing, the drums are not in sync with what the drum players are playing. (00:05:55)
Audio problem: When the rover is put upright you hear it. Sound does not travel in vacuum. (00:37:20)
Audio problem: As Fool is attacked by Prince in the wall he cries out "Alice, Get Back!" yet his mouth is shut. (00:59:20)
Audio problem: When J.J. is jammin' to her song she notices Jason and screams. She then runs away, and magically the song that was playing on her tape player has stopped. (00:21:15)
Audio problem: When Sarah's mother is on the phone with her husband, she says, "I'm worried Dave, the fever's gone from 101 to 104," yet her mouth doesn't move. (00:02:30)
Audio problem: When Eddie is talking to Karen in the pornography booth, while the film is playing, what he is saying frequently mismatches his mouth movements. (00:10:05)
Audio problem: When trying to hit the creeper with the car, the distance between them and the creeper changes drastically, instantly. (00:55:45)
Audio problem: When Kate is behind the bar, and the Gremlins are drinking beer and smoking, Kate says "Just don't bite me." Her mouth doesn't move at all when this is heard. (01:11:00)
Audio problem: Throughout the film, no matter who is using the blade weapon that attaches to the wrists, like the one given to Steven Seagal at the arsenal scene, the sound when used is like a metallic sounding blade instead of the carbon or graphite blades.
Audio problem: When demon Bruno comes crawling towards Arne, the jumpscare sound comes earlier than we can see the demon. (00:24:05)
Audio problem: In the first scene when Christine is driving her car, she has the blowers on max speed yet there is no sound from the fans whatsoever.
Audio problem: In the beginning of the scene where the soldiers are eating in the mess hall, the soundtrack of background noise is played, then repeated.
Audio problem: In the scene where the monster saves Anna by knocking down the last Bride, there is one shot where he turns to look at Anna framed in the window. His right leg support makes the hissing sound without any steam coming out of it.