Audio problem: When Nighthob and Teeny are talking to the Rockbiter near the beginning of the film, Teeny says to Nighthob "This could be serious", then turns to Rockbiter and calls out his name. Watch Teeny's mouth as he calls out "Rockbiter". You will see a very blatant editing mistake as Teeny is not actually saying 'Rockbiter", but is saying the next line that follows. (00:16:40)
Audio problem: Nancy is watching 'The Evil Dead' in order to stay awake, but the audio of the film heard doesn't match with what scene is playing on the TV. (00:33:10)
Audio problem: When Conan is fighting the half lizard/man monster and discovers that breaking the glass panes hurts him, it cuts to a shot of his friends behind one of the panes and the thief says, "That's exactly what I would have done, exactly." His lips don't match the words at all.
Audio problem: When the spider is attacking Wicket, Cindel screams but we can see Cindel when she screams (left hand corner when Wicket is pushed onto the floor) and her mouth isn't moving.
Audio problem: After leaving Bloomingdales, Allen and Madison start talking. Allen says to her "Just begin when you were born and finish up right when you blew up the TV's." His mouth doesn't move at all when this is said. (00:41:15)
Audio problem: In 1943, a top secret Naval experiment went wrong and David was sent forward in time to 1984, with his friend Jimmy. In 1984, David and Allison, a girl fom the present day, are staying in a hotel room. David picks up the talking travel alarm clock and fidgets with it. Yet, in the shot of Allison the alarm clock is still on the nightstand between the two beds. Then as he puts the alarm clock back on the nightstand, in the shot of Allison, the alarm clock is on the nightstand even though we hear the sound of him actually placing the alarm clock down. (00:54:25)
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 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: During the McClure Whiplash fight near the end the sound of two of their punches happen before they even land.
Audio problem: The first motorbike cop killed by the ninja screams in agony with his mouth properly closed. (00:07:05)
Audio problem: When Nigel holds Linda back after computing class, Lucy mutters "Oh, shoot", but her mouth is saying "Oh, shit."