Revealing mistake: When the police car crashes through the grating that was dropped down in front of it at the end of the tunnel, the occupants are dummies - they just bounce about in the same upright position whilst the car drives into the river.
Revealing mistake: In the opening sequence when Sundance shoots the gun belt off the card player, the film was cut to make the quick draw appear faster. You can see Butch's image jump across the screen in the background.
Revealing mistake: When Wyatt, Billy, and the stranger they had just picked up are sitting at the campfire their shadows on the rock are not in any proper projection from the fire, plus, they are totally still. (00:22:10)