My Bloody Valentine (2009)

Revealing mistake: Axel's badge says deputy sheriff. He is THE sheriff. Not a deputy.

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Visible crew/equipment: In the bar when TG says "excuse me" and walks off, he walks towards the camera and the camera's shadow is visible on his shirt.

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A Demon

Continuity mistake: The miner wounds Sarah's right forearm during the supermarket chase and the medic bandages it up. Yet, in all subsequent scenes, her arm is fine.

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Factual error: As Sarah is being chased toward the mine by "Harry" she is unable to open a door and is trapped as Harry approaches. The shadow of Harry cast on the wall gets bigger as he gets closer to her. If Harry were walking in front of the light source casting his shadow, his shadow would get smaller as he walked further away from the light source and closer to Sarah.

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Continuity mistake: In the final mine scene when "Harry" is walking toward them and popping light bulbs with the pickax along the way, the second bulb he hits causes the wire to swing down and swing back and forth. In the next shot, the wire is back up on the shoring post.

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