Revealing mistake: When Abdullah escapes his Mongolian pursuers by jumping his horse across the ravine, the horse kicks loose some debris at the edge. But the rocks simply disappear, indicating that the ravine is a painted set-up.
Revealing mistake: When Knebel draws a nude on the blackboard you see thin lines that help him complete the drawing. (01:07:40)
Revealing mistake: When Velvet and Mi are talking to the jockey in the pub, there is a blackboard behind him listing the menu. However, all the writing is backwards. The film negative apparently got flipped, in this print at least, resulting in a reversed image. This is the only scene where reversed lettering is seen.
Revealing mistake: Several pieces of furniture, including a large sofa, fall over before the suitcase bomb actually explodes.
Revealing mistake: When Bugs Bunny is walking away from Elmer Fudd, you can see a futuristic building in the background that keeps disappearing repeatedly when it reaches the end of the frame.
Revealing mistake: When Bugs performs his tap-dancing act at the theatre, he puts on a Panama hat that goes through his ears. When you see the top of the hat, there are no holes in it.
Revealing mistake: When we see for the first time cops fish out of the river one of Bluebeard's victims, the "lifeless body" helps herself up on the boat, practically climbing on her own. (00:02:15)