Audio problem: When Ralphie's father opens the crate containing the leg lamp, he says, "Well, it could be anything." Then his mother says, "Maybe they forgot" without moving her lips. Obviously dubbed in later.
Audio problem: At the stock exchange, after Randolph keels over, one guys that they should call an ambulance, whereas Mortimer replies, "Fuck him!" When Mortimer says that, his lips don't match. Not entirely in synch.