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Revealing mistake: In the major helicopter scene when Ride of the Valkyries is played, the actual tape isn't going over the playing heads. (00:37:29)

Continuity mistake: As the men walk on the shore looking for Colonel Kilgore there's a field behind them across the bay. There's only a tank there but in the previous shot as they landed there were four helicopters along with the tank. (00:25:30)

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Continuity mistake: There are two actresses playing Dorothy (and two dogs playing Toto) as she opens the door to Oz. The first is a stand-in wearing a dull colored dress in order to make it look black and white. After she opens the door and moves out of the way, Judy Garland is who we actually see walking through. Look at the different pleats on the two dresses. (00:19:25)

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Continuity mistake: When Colonel Kilgore leans down to give the VC soldier a drink from the canteen watch closely as the roses on the rosebush to the left of the injured soldier disappear and then reappear between shots. (00:29:25)

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Continuity mistake: As the chopper pilot circles the courtyard he says, "We've got wounded down there" and a yellow flair is in the center of the courtyard. In the next shot of the soldiers running around down below we see the center of the courtyard but the yellow flare is not there having been replaced by a Vietnamese hat. (00:43:10)

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Revealing mistake: When Father Karras sprinkles holy water on Regan, they forgot to paint her ear lobes and it looks terrible. (01:32:30)

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