Continuity mistake: Right after the last song John Paul Jones is seen taking his guitar off and resting it on an amp.The scene switches to Robert and when he points to his right JPJ is repeating the action.
Continuity mistake: When Cinderella is running away after losing her slipper, she lifts her skirt, and she is wearing only stockings. In the next scene when she is singing a reprise of "He Danced With Me", she starts dancing, and she is wearing her normal shoes.
Continuity mistake: Corinne Clery is kissing the inspector, straddling his lap while they discuss exotic locations and feral contraband. She has his hands behind his neck, fastened, but at the cut they are apart and only then she brings them together again. (00:57:10)
Continuity mistake: The movie opens with a gang of thieves taking the luggage of several Japanese tourists distracted by a guy pretending to defecate on the lawn. One of the robbers is snatching a bright red suitcase in the first shot, which turns into a plain brown suitcase in the next. Also in this second shot one of the bags is lying on the street, while in the previous they were all on the sidewalk. (00:02:40)
Continuity mistake: As Mel and company go to drive into the movie studio, the windscreen alternates between down and up and back between shots.