Audio problem: When Ariel's sisters are singing in the beginning of the movie the yellowish sister's mouth doesn't move when she says her name.
Audio problem: From a side view, when Alice yells "Come on Jacob, it's time to go home" her jaw moves to other words. (01:13:10)
Audio problem: When Russ jumps from out behind the bush and says, "I say that ant is ours", his mouth doesn't move.
Audio problem: During the fight with the Scoleri Brothers, Egon warns doctor Stantz about the sudden apparition of the ghost coming through the wall. He yells "Behind you, Raaay!", but in the close-up Harold Ramis' mouth is not uttering "Behind you." (00:35:50)