Continuity mistake: When Inga, Frederick, and Igor reach the secret library, Frederick reaches for the door knob to grasp it with his right hand, but the view from inside the room showing them entering has Frederick's right hand opening the door without using the knob.
Continuity mistake: When Taggart approaches Mongo at the fire, he pats Mongo's back with his left hand, withdraws it to clap his hands, but the next shot shows Taggart's left hand still patting Mongo's back.
Continuity mistake: In the scene where Thunderbolt and Lightfoot are in the car with the crazy driver. The car goes over the embankment and as it flips you can see a wheel break off. A short time later they both drive off in the same car, with the wheel attached again.
Continuity mistake: When Barbara Windsor is getting undressed to prove that she is not a man, there is a red garment which is crumpled up on the bed behind her. When she finishes undressing the red garment is spread fully across the bed.
Continuity mistake: After Burt Reynolds hits the guard in the crotch with the football, a wide shot shows 2:29 left in the game. He hits him again on the next play, and the scoreboard shows 2:35 left. The clock in a football game, of course, counts down, not up.
Continuity mistake: When Nicole takes Whitfield for his first ride in Herbie, the car rears up onto its back wheels. But in the very next shot of Whitfield's startled reaction, the rear-screen projection of the street behind them is footage taken from a level view, not an elevated one. (00:15:50)
Continuity mistake: During the battle at the convent, one of the Cardinal's guards takes aim with his matchlock musket, is shot by Portos, and falls - along with his gun - into a hay wagon. But if you watch the falling scene closely, it is evident that only the man ends up in the hay; the gun should have fallen some place to the left of the wagon.
Continuity mistake: When Eve is making a special treat and it starts on fire. She sprays a fire extinguisher onto it. It shows foam covering only one side of the food. Then, it shows the food again a few seconds later and it is completely covered. (01:01:50)
Continuity mistake: When evil Swan hands the contract to the Swan who's about to kill himself, Swan grabs the contract out of E.S hands, yet in the next shot, E.S is still holding it.
Continuity mistake: As Pinback puts the fruit down in front of the alien, its feet and spots change position. (00:28:50)
Continuity mistake: When Julie raises Celine's scarf in front of her face, at first, her right hand is positioned part way along the top right, leaving part of the scarf flowing freely. It then cuts to Celine walking away, and when it cuts back to Julie, her right hand is touching the top right corner of the scarf. (00:07:28)
Continuity mistake: When Sid is changing the wheel on the van, there is a green Mini traveller parked in front of it which disappears between shots.
Continuity mistake: When the guys use the key to steal the car, its back license plate number is 4N-4290, but when Chico pulls into the drive-in, the front plate number is SV-5875. Then when Chico reverses the car, the front license plate number is 4N-4290. (00:42:40)
Continuity mistake: Nini's mother fishes the telephone out of the bathtub. A naked little boy prances around the room and Christian De Sica is in a quite recognizable position, leg up scrubbing the sole of his foot. Cut, and De Sica is now simply sitting in the tub as if nothing happened. (00:22:00)
Continuity mistake: In the opening scene, Irwin Ingham's big scarf is wrapped around his neck in ever-changing fashion as it can be spotted looking at the striped area being at different height each time. (00:03:40)