Other mistake: When the Major shoots the rope out from under the slow soldier, the rounds should have gone through the floor but did not. There aren't even marks on the floor.
Other mistake: After the "fat fat fatty" scene, Franz shoots his way in, starting with three bullets into the door lock. Over the next scene he fires about twelve shots, despite the fact he's firing an 8-shot Luger.
Other mistake: After Stanley becomes the nun he demands one more wish, but George informs him that the ice lolly he got as a trial wish counted - which had cost him sixpence, and which George then pays him back. However, on the Post Office Tower, after Stanley saying he'd like to see what Margaret is doing, George lends him a telescope (also costing Stanley sixpence) which is then forgotten about when George reminds Stanley about the ice lolly. (01:30:00)
Other mistake: When Krolock ambushes Sarah in her bathtub, he bites her well above the place where the bite marks later show.
Other mistake: Ponty follows the instructions of the titular book, which follows the logical progression through the corporate ladder. However, when he becomes VP of advertising, he is reading from the very first pages.
Other mistake: After a night of drinking ouzo, Corie asks Victor if she'll have much of a hangover, not having drunk ouzo before. Victor says no the hangover, but she won't be able to make a fist for 3 days, and when she tries, she can't make a fist, but seconds before Victor spoke, Corie did make a fist, a big one.
Other mistake: King Arthur is on the far right of the scene as Guinevere is led away by the guards and he nods at someone off camera, asking them if it's OK to start acting as the camera moves around.
Other mistake: The copyright date is 1967. In the final title frame at the end of the movie, the copyright date in Roman numerals is incorrect. The V and the X are inverted. It reads MCMLVXII. The correct Roman numeral is MCMLXVII.
Other mistake: When Dr Kilmore holds the test tube of Mr Roper's urine sample over the Bunsen burner, the test tube catches fire and Dr Kilmore says he thinks that Mr Roper is producing neat scotch. In the next shot, Dr Kilmore is now holding the test tube which ought to be too hot to touch.