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Continuity mistake: When the bogus male nurse with Mrs. Carroon is outside in the rain, his coat and hair are soaking wet. But when they run to the staff entrance (a few seconds later), his hair and coat are bone dry.
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Continuity mistake: When Tom is running away from Uncle Pecos, he runs into the house and slams the door. When he slams the door, you can see the little door at the top has nothing on it, but in the next shot a handle has suddenly appeared.
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Continuity mistake: Wallis is showing his idea to the doctor and draws on the sketch of the dam. Shortly after, he shows the doctor the same sketch again and the middle line we saw Wallis draw has now changed position. (00:06:40 - 00:07:50)
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Continuity mistake: In the climatic confrontation between Artie West and Mr. Dadier at the end of the movie, West cuts Dadier in the hand with his knife. The scene cuts to Dadier holding up his hand, and it's already covered in blood.
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Continuity mistake: When Bugs is horrified to realise that he was holding a picket sign, the yellow paint on his tail disappears briefly.
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Continuity mistake: When we first see the book that Bugs is reading at the beginning of the cartoon, there are words on the front cover and spine. In the next shot, the words have gone.
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Continuity mistake: When Hippety Hopper breaks his crate apart on the rocks, you can see there are pieces of crate on the ground, but when we see Hippety in the next shot, the pieces have disappeared.
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Continuity mistake: During the fight in the garage when Larry is fighting the two thugs a calendar on the wall shows the month of August, the next day Turk has a poster for the next stock car meeting on the 14TH May 1955 the duration of this film is not that long.
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Continuity mistake: Park Ranger Donald is leading five bears to a cave, so they can hibernate for the winter. He finds a bear sleeping in a hammock and forces him to join the others. There should now be six bears but a seventh bear has appeared out of nowhere. Later in the cave, their number has grown to nine.
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Continuity mistake: When the coyote is about to eat a tin can at the start of the cartoon, the bottle of wine in front of him changes position between shots.
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Continuity mistake: Shortly after the movie starts, Cal's plane lands and they go into the lab. Cal looks through a scope at an experiment and his assistant is next to him without glasses. After the experiment flames out, they show the men again but now his assistant is wearing glasses. (00:08:50)
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Continuity mistake: When Elmer is picking up the money and putting into the case, the dollar note next to Sylvester changes position between shots.
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Continuity mistake: When Butch and the other cats tiptoe past Spike at the start of the cartoon, you can see that Spike's bone is next to his kennel, but when Jerry is thrown out of the house by the cats before the film begins, he lands in Spike's mouth and the bone is now next to Spike.
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Continuity mistake: When the agent throws the man out of the talent agency, there is a handprint on the wall to the side of the door. When the frog jumps out of the box and performs "The Michigan Rag", we cut back to the man and the handprint has disappeared.
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Continuity mistake: When the Coyote attempts to capture the Road Runner for the first time, he is standing on a bare patch of pavement surrounded by the puddle of glue he is spreading. In the next shot, the Coyote is now standing on glue with no bare patch, and when he realises he is about to be hit by the truck, he is standing on bare pavement in middle of the glue puddle once again.
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Continuity mistake: When Emperor Nero tells Yosemite Sam to get him a victim, you can see that Sam is holding a sword in his hand. In the next shot, the sword has gone and Sam is now holding a bugle, and when he is marching along with the legion, he is holding the sword again.
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Continuity mistake: When the camera pans in on the audience at the start of the show, you can see that Granny is sitting next to Bugs and Daffy, but after a quick cut to Elmer, we return to Bugs and Daffy, and Granny has disappeared.
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Continuity mistake: When we see the four mice at the start of the cartoon, you can see there is nothing behind them, but when the camera pans in on them in the next shot, a cactus and a huge rock appear from nowhere.
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Continuity mistake: When Calvin Q. Calculus has invented the portable hole, he says "Eureka!" and you can that there is a beaker on the desk, but in the next shot the beaker has disappeared.
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Continuity mistake: When the people in the park flee after seeing Bugs Bunny as a green monster, there is a tree and some bushes in the background. In the next shot, they have disappeared.