Continuity mistake: After the song "Tomorrow" Bugsy and Blousey are in the cafe. Blousey has a drink and it has two straws and one spoon. The spoon keeps disappearing.
Continuity mistake: When the Ferrari stops in the petrol station and the young lady catches the Italian driver's eye, in the first shot he's slapping his face, then in the next shot he is wearing sun glasses which he didn't have before.
Continuity mistake: In the scene where Cannonball is driving the Mustang and Redman is driving the Charger through the incomplete Interstate, they begin bashing each others' cars to bits. Several shots show the badly damaged cars and the results of the multiple hits taken. However, when we are shown the cars just before the bridge jump sequence, neither car appears damaged.
Continuity mistake: In the shot where Boris, Annabelle (as Ellen) and Ben are in the car , and turn left in front of a lorry you see a police car next to the pavement (not the ones that have fallen of the lorry) and it is parked underneath a sign. After you see Boris etc. again in the car, they are parked further back than before.
Continuity mistake: In the last inning of the championship game, Buttermaker opens a beer in a short brown bottle (perhaps a Pabst Blue Ribbon, Red White and Blue, or Red Stripe) right before Amanda grounds out. When he exits the dugout following the at-bat, he's holding a Coors.
Continuity mistake: At the start of the fight in the club, the stain on Clouseau's jacket (from the accident with the parrot) is visible. Partway through the fight it has faded significantly. By the end of the fight it has gone. (00:45:00)
Continuity mistake: When Richard Pryor is ramming the police cars after saying "demolition derby", as the shot changes he is not wearing any glasses then he's wearing sunglasses, next shot no glasses, then sunglasses again, then back to none.
Continuity mistake: When Sergeant Major sounds the wake up call in Connor's hut, the Sergeant Major's lanyard (the rope on his uniform) is on his right shoulder. But in the next scene when he is ranting at Patrick Mower and the lads, the lanyard is on his left shoulder.
Continuity mistake: When the Lea family arrives at the rugby match, Tim parks the car in the car park. During the match you can see that the car has moved forward and is on the pavement. After the match, when Tony and Mary steal the car, it has moved back into the car park. Also, the front passenger window is open. It was shut when Tim parked the car.
Continuity mistake: Right at the end when the man takes his mask off, a strand of blonde hair hangs out from the back of "his" head. In the next shot the hair is dark brown.
Continuity mistake: When Mother is pulling up to the burger joint, you see his partner with his car window open. He's even resting his arm on the door. The camera angle changes as they pull up to the drive through and you see his partner lowering his window down so they can place an order.
Continuity mistake: In the scene where Bruce Dern and Barbara Harris are eating hamburgers. He has two on his plate, from a back view she reaches over and takes one. He then removes the cap from the ketchup bottle. The shot switches to a view from his back and the cap is back on the ketchup. He then removes the cap again.
Continuity mistake: When the bus is brought out of the hangar for its maiden trip, the top of the front of the bus just clears the top of the roof. When it parks outside, the rear section has a glass roof which wouldn't clear the roof without damaging either the bus or the hangar roof.
Continuity mistake: As Bob crashes his car into the caravan, you can see that the car is already damaged.
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: The protagonist (Renato Pozzetto) is having an argument with his superior while smoking a joint. He gets back in line after threatening him with a stone; the joint is in his mouth. Cut, and he is holding the joint in hand and putting it only then in his mouth. (00:19:00)
Continuity mistake: As Mel and company go to drive into the movie studio, the windscreen alternates between down and up and back between shots.