Continuity mistake: When Dana Andrews and Jeane Craine are on the roller coaster, as it goes down the first dip, she stand up and he yells at her to sit down, but his mouth never moves. Also, the positions of the riders change from scene to scene.
Continuity mistake: Immediately after the (Dali) dream sequence, when Dr. Brulov and Constance are reviewing Constance's notes, Dr. Brulov draws a pencil out of his coat pocket. Hitchcock then cuts to a close-up, and Dr. Brulov repeats the motion.
Continuity mistake: When Jerry is pretending to dance with the placecard mascots at the restaurant, the last mascot he dances with initially has red hair, but when the two pretend to skate on the mirror, her hair is now blonde.
Continuity mistake: In an early scene the couple are sitting on a station bench. Dr. Harvey leans forward to put an arm round Laura. At the start of this movement his cigarette is in his right hand, but then appears in his left for the close up.
Continuity mistake: After the raid on the Japanese radar site as Errol Flynn is on the radio sitting next to a radioman talking to the supply plane his hair is sweaty and forming circles on his forehead. When the scene shifts to a close-up of Errol his hair is in straight lines.Then when the scene goes back to the two of them his hair is in circles again.
Continuity mistake: The dead body Wally discovers in the house has its head straight in the long shots, but canted to the right in the close ups.
Continuity mistake: In the scene preceding Emily Brent's death, Judge Francis J. Quincannon moves his glasses around, creating a couple of obvious discontinuities, first when his hands from distanced become joined at the very beginning, and then at the bottom of the stairs when he waves Blore to stay put. (00:58:50)
Continuity mistake: Throughout the cartoon, watch the handkerchief in the store manager's top pocket of his jacket. In some shots it is in the pocket; others it isn't.
Continuity mistake: When we see Droopy gambling at the fruit machine, you can see the fruits have nothing around them but in the next shot a pattern suddenly appears.
Continuity mistake: When Screwy squashes the truant officer's nose with a mallet, the nose jumps off in pain and then hides under the officer's face. At this point, the truant officer is wearing a hat on his head, but in the next shot the hat has disappeared.
Continuity mistake: When Elmer Fudd is on the telephone to the operator, you can see that he is at the far end of the lounge and there is a pattern on the wall, but when Bugs Bunny sneaks in behind the radio, Elmer is now positioned near the corner of the room and there's no pattern. 2 lamps also appear by the archway.
Continuity mistake: The policeman drives up to the house and parks his motorcycle facing the front door. He goes to the door to talk and then returns to his motorcycle and prepares to leave. When he gets back to the motorcycle, it is now parked facing away from the door. (00:08:05)
Continuity mistake: Just before Charles sees Elvira, he takes a cigarette from a box and lights it, but when he goes to get a drink, the cigarette is gone.
Continuity mistake: Ken's mother makes his jockey shirt using dark blue and gold as their racing colors. When Ken rides Thunderhead in his first race, Ken's jockey shirt is now light green and beige and the design is different. Ken's family owns Thunderhead, and race horse owners must have specific registered racing colors and patterns. Ken would not suddenly be wearing a differently-colored shirt.
Continuity mistake: Rill Lambeth asks her French maid to cut her hair, but she refuses. Rill takes then the matter in her own hands, aided also by a towel that magically appeared between shots. (00:14:30)
Continuity mistake: When Daffy opens the door and sees the man from the draft board, the door is plain and grey. But when we seen a close-up of the man, the door is now blue with moulding, and when Daffy slams the door on him, it is now grey again.
Continuity mistake: Laurel and Hardy climb a pile of hay to get away from an angry bull. They fall into a wagon which begins to careen out of control and race downhill. The close-ups use rear-screen projection that shows a tree-filled forest. In the long shots, however, the wagon is speeding through a cactus-covered desert. (00:45:45)
Continuity mistake: When Bugs comes up from the elevator, he is holding a carrot in his right hand, but when Goering presses him against a tree with his gun, the carrot disappears.
Continuity mistake: Doctor Leo sits at the desk and begins writing a letter to Alec Ritchfield. "My dear Alec", it starts. Fade to the finished letter, but you can easily tell that it's not the same letter, the handwriting being different - look at the little flourish below the M, not to mention the position of the text in relation with the Fog Island stamp. (00:08:25)
Continuity mistake: When Daffy Duck is eating his breakfast at the table, the cup next to him has nothing in it but in the next shot a piece of buttered toast suddenly appears.