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Continuity mistake: The transmitter device that Jake attaches to the shark is missing between shots during the entire movie.

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Revealing mistake: When Hoagie lands the plane on the water you can see they are near land when they in fact are supposed to by far out on the ocean. The sand bottom is visible. Also a sailboat suddenly appear, it wasn't there earlier. (01:11:55)

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Visible crew/equipment: When the shark is underwater with Jake in its mouth a black hose attached to the back part of the shark is visible. (01:17:45)

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Continuity mistake: When Mike, Jake and Hoagie are in the plane searching for Ellen, when looking out the window they are flying over land. When it cuts they are suddenly over the ocean and when it cuts again they're over land. (01:08:50)

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Revealing mistake: As the shark grabs the woman off the banana boat and slams her in to the water, the fake shark's rubber teeth bend. (01:05:20)

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Continuity mistake: When Hoagie lets Thea steer the plane, Carla is sitting beside Mike in the background. When it cuts Carla suddenly has her arm raised, resting on the seat. (00:17:45)

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Continuity mistake: When Michael is standing by the window and Carla is lying in bed, Carla rests her head on her arm. When it cuts Carla is suddenly lying down in bed. (00:35:55)

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Visible crew/equipment: When the shark is attacking Mike in his sub, as he yells, "Jake," it cuts and we see the shark from the side of the sub. Look through the windows of the sub, under the shark, there is a large black tube attached to the shark's stomach. (00:57:05)

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Continuity mistake: When Mike goes down to the ocean to hug his mother, she turns with the ocean at her left hand. When it cuts to them hugging the ocean is at her right hand. (00:11:50)

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Revealing mistake: When the shark bites off Sean's arm, the outline of his arm hidden under the coat is visible. (00:08:30)

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Audio problem: When the band is playing, the drums are not in sync with what the drum players are playing. (00:05:55)

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