Revealing mistake: When the couple in the truck are driven off and down the side of the mountain the direction of the truck does not match the direction he steers the truck.
Revealing mistake: During the scene in Clouseau's hotel room at night, there is a light outside which shines on the net curtains to simulate moonlight. This light is off when the room lights are on, and is turned on when the room lights are turned off. At one point, when Inspector Clouseau is going into the bathroom after giving the sleeping pill to his wife, the fake moonlight suddenly turns on for no reason.
Revealing mistake: The birds that attack the schoolchildren have no shadows. (01:13:40)
Revealing mistake: Towards the end of the film, when Hilts (Steve McQueen) is in a motorcycle chase with the German guards, if you watch closely, when the camera cuts away from Hilts and to the German motorcyclists, you might be able to notice that one of the guards chasing McQueen IS actually McQueen! They used him to play one (or maybe more) of the guards because of the experience he had with motorcycles. This can also be seen in some behind the scenes footage on the DVD version of the film.
Revealing mistake: During the fight on the train between Bond and Grant, you can spot the stunt double for the Grant character by noticing the bad toupee.
Revealing mistake: After Jason's fight with Acastus, when Medea is telling Jason of the flower which can heal his wound, if you look past Medea you can see a mountain in the distance. On top of the mountain you can see a lighted building of some sort that appears to be a modern structure. (01:15:05)
Revealing mistake: After there has been the vote for chief, behind one boy you can see a piece of wood reading "Anthony M," a marker for showing where the actor (Anthony McCall-Judson) should sit. (00:13:25)
Revealing mistake: After a carriage rolls over Midshipman Poop-Decker's sword, he can be seen pushing some kind of trigger with his thumb to make the sword split in two. (00:05:05)
Revealing mistake: When Buddy love and Stella are standing at the lookout above LA, the background is obviously a poorly done painting.
Revealing mistake: After GW recruits Bunny to help the chiefs to escape and to acquire rifles and ammo, he comes home asking where the Katie with light red hair is. Katie, excited, goes out on the bedroom landing and sees him at the bottom of the stairs again asking where the woman of the house. Is. Just in back of GW, you can see the shadow of Mrs. Warren waiting to talk to him. Mrs. Warren then appears to try to tell him she was quitting her job.
Revealing mistake: In the scene where the villains hijack the glam cab you can see people standing around watching the filming.
Revealing mistake: When Caesar's ship arrives in the Alexandria marketplace, he tells his men to "go marketing" rather than force their way through the crowd with swords. Rufio says "you're not serious?" He then silently mouths along with Caesar's reply, "We shall shop our way to the palace steps." (00:11:30)
Revealing mistake: The American and Russian space agencies are watching the launches of their own supposedly different rockets (split screen). It is clear that the pictures they are watching simultaneously on the monitors is the same footage, but reversed on one screen. (01:13:30)
Revealing mistake: When the lady throws Sylvester through the window, you can see there is a bump on Sylvester's head before he hits the tree.
Revealing mistake: During the fainting scene number of the extras can be seen waving and looking at the camera.