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Continuity mistake: When Denham shows a second map to the captain, one can see it has a big map on the center part. In the close-up, it swaps to being a small drawing on a side.

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Revealing mistake: In New York, when Kong abducts and kills a woman, and later abducts Ann, there's a shot of the street below. It is repeated all the time, sometimes flipped, with varying light intensities.

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Continuity mistake: When Kong is climbing the Empire State and peeps into the rooms, the window rail disappears in the outside shots and the close-ups.

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Continuity mistake: When Kong is about to be captured and people jump on the boat, their positions differ between the front angles and the ones shot from behind.

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Continuity mistake: When Kong fights against the dinosaur, Ann's tree starts to fall, and she cries while waving her right arm and holds onto it with her left. The shot changes, and now it's the opposite way: she is holding onto it with her right arm and waving her left hand.

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Continuity mistake: After Kong kills the dinosaur, when he pounds his chest, watch a branch on the left. It's sometimes up or suddenly down. Most surely due to the animators moving it inadvertently while operating the models.

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Revealing mistake: When Kong strips Ann, it is a composite of two images: footage of a huge mechanical arm holding her and a puppet Kong in a miniature set. The arm footage is noticeable because the background wobbles, and the pasted area stands out from the miniature set behind.

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Revealing mistake: When the sea creature appears and the raft overturns, the people falling are very obvious stiff dummies. One even falls downwards and its two feet stick up from the water.

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Continuity mistake: In New York, Kong fetches a woman in her sleep. In the close-ups she's wearing white pyjamas, but the mannequin she's replaced for when she falls has short hair and dark clothes.

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Continuity mistake: While Kong kills the pterodactyl Jack arrives to save Ann. Shot changes and he's back in the cave making his entrance again.

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Continuity mistake: The two villagers that are stomped by Kong's foot are bald but grow an afro in the close-ups.

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Continuity mistake: A villager jumps off a hut and lands on the floor. A shot later he is 10 meters further ahead. (01:15:06)

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Trivia: For a single frame, one can see the structure that holds the Kong puppet. The first time it's still visible in modern copies at time code 00:52:36 (after the people run away on a log used as a bridge). The second one was digitally removed years ago, and it takes place when Kong exits the cave right after Ann faints. (00:52:36 - 01:05:30)

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Continuity mistake: Kong keeps changing styles throughout the movie at least 4 times: In the close-ups of its head it either has a round face with dirty teeth, fangs and small nostrils or white teeth with no fangs; as opposed to the full body models where it swaps between a cone-head forehead with small nostrils, and a rounder one with larger nostrils, both models with pearly white teeth.

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Continuity mistake: The right cuff of Kong's shackles disappears from his wrist when he destroys the train, only to reappear later on.

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Continuity mistake: When Ann watches Kong fight the dinosaur, her position is inconsistent between the wide shots and the close-ups.

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Continuity mistake: When Kong brings Ann's bed towards him, the footboard changes between the wide outside shots and the inside shots.

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Continuity mistake: During the fight between Kong and the dinosaur, the shape of the tree Ann is on differs between shots.

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Continuity mistake: Kong shakes the sailors off the log and a man falls down. A shot later he's back on the log. (00:53:12)

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Continuity mistake: The planes that attack Kong have two parallel wings, the lower wing being shorter. In the close-up of the planes next to Kong both wings are the same size.

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