Continuity mistake: When Falfa's Chevy flips over, we can see that it has no fuel tank at all in it. However, in the next shot the car now has a visible fuel tank, and it explodes.
Continuity mistake: At one point D'Artagnan reaches the Duke of Buckingham, who is on a hunt. He has just killed a stag and his hands are covered in blood. D'Artagnan rides up and offers him a note from Queen Anne. He wipes his palms with a cloth before he takes the note, but his hands are still covered with blood up to and above the wrists. When he reads the note, he and D'Artagnan take off on foot for his castle where they go into a private room behind the walls. Suddenly it is apparent that his hands are perfectly clean right down to his scrubbed fingernails and, without explanation, the plot-heavy sequence continues.
Continuity mistake: The hot knives that are set up in the King Lear scene towards the end of the film are sometimes smoking and sometimes not depending on the shot.
Continuity mistake: When Lt. Snyder breaks the phone booth window with his gun and points it at Hooker, Hooker's hat falls off. Yet in the next shot over Lt. Snyder's shoulder you can see that Hooker's hat is back on his head.
Continuity mistake: In the bedroom scene, Barbara Windor gets her dressing gown caught in the bed spring and has to take it off. When Sid James tries it on, he has no trouble removing it from the bed.
Continuity mistake: Trixie Delight's room number in the hotel is 235, but when Imogene and Addie go to Addie's hotel room, which is right next to Trixie's, the number on the door says 235, too.
Continuity mistake: When Jack goes to the surgery to take his pleasure with the nurse, he chalks on the blackboard on the door that the nurse will be unavailable for 30 minutes. When Blakey arrives, the 30 minutes note has gone from the blackboard. But when Blakey opens the door with his passkey, the 30 minutes note has re-appeared on the door.
Continuity mistake: At the beginning of the scene in which Diane Keaton rides on Woody Allen's back across the water, she is wearing clunky platform shoes. Later in the scene, her shoes have inexplicably changed to Keds-style tennis shoes. At the beginning of the next scene, she is wearing the platform shoes again.
Continuity mistake: As Charlie Brown, Patty, and Marcie are talking, the grandfather clock strikes four. Trouble is the pendulum is stuck in place, first on one side, then the other. It doesn't swing.
Continuity mistake: When Rizzo and the sailor wrestle atop the building, in the views from outside the building Rizzo has the lead pipe pressed against his ursine neck, while in the shots from the terrace it's further away. (00:05:40)
Continuity mistake: Victor Pivert is in full road rage mode as he is waiting at a road stop after skipping most of the line speeding through the emergency lane. As he bickers with his French compatriot, he hammers his horn initially with the right hand, then after a pause he starts hitting it with his left hand in a side view, which turns instantly into his right hand at the cut. (00:08:30)
Continuity mistake: When Webster breaks into his first house, he has his briefcase open, so he can get at the items he needs, but before he leaves, he picks up the torch that is sitting on his closed briefcase - he never closed his briefcase; it was open all the time.
Continuity mistake: During the opening credits, the marching band pass the Queen Victoria statue in Windsor twice on their way to the castle.
Continuity mistake: When Linus and Lucy are talking to Snoopy he's got a shopping cart stuck on his right leg. Then, when he's getting on the bus it's suddenly on his left leg.
Continuity mistake: Vicky is in her office, wearing glasses, until a girl knocks on her door and walks in, and the glasses have vanished.