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Jaws: The Revenge (1987) Poster

Goofs

Audio/visual unsynchronised 

When Michael and Jake are talking on the boat, the hand movements of the guy drumming in the background don't match the rhythm or the dynamics of the sound.
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Continuity 

Michael Caine's plane crashes in the ocean, but when he climbs aboard the Brodys' boat, his clothes are dry. Caine explained that they waited so long for the camera to turn over that his shirt and pants dried in the sun.
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When the shark lifts its head out of the water to attack Sean, the froth around its head is already bloody.
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When Michael goes back in the water the day after he was attacked by the shark, the left sleeve of his wetsuit has been repaired with a gray patch. The patch disappears, then reappears while he swims.
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The shocking device was attached by rope to the end of a long pole. The shark takes both in its mouth, and the pole disappears in subsequent shots.
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Near the end of the movie, the shark makes its presence known to Ellen by lifting itself out of the water so its head is over the ledge of the ship. In the next shot, part of the boat is missing. About a minute and a half after the shark eats the shocker, it reappears behind the undamaged boat.
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When Michael looked through binoculars at his mom and Hogie as they walked on the beach, Ellen was wearing white sneakers. In the next beach scene, Ellen isn't wearing any shoes.
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One scene begins with a shot of a pair of Caucasian feet under water. The next shot, above the water, shows Clarence, who is not Caucasian, with his feet in the water.
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When they spot Ellen from the plane, the shark is still a long distance from the boat. A moment later it is at the boat and jumps out of the water. The shark couldn't have swum that distance in such a short time.
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When Ellen is on the boat and sees the shark coming towards her, the distance between the boat and shark looks much greater when Michael, Jake, and Hoagie see them from inside the plane.
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When the shark is chasing Michael Brody, the same footage of Michael swimming fast on the bottom is shown twice. He swims by the same piece of angle iron.
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When the shark chases Michael Brody, the scuba cylinder changes from yellow to black and back to yellow.
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Crew or equipment visible 

When the shark swims through the sunken boat, the rail on which it "swims" is visible.
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Factual errors 

During the climax, the shark often screams and roars when it is hurt. Sharks have no lungs or vocal cords.
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When the shark pursues Michael through the shipwreck, what appears to be an enormous meaty tongue flicks in and out of the shark's mouth as it tries to bite him. Great Whites have an organ called a basihyal, which is very similar to a tongue, but it is stuck to the base of the mouth and cannot move as depicted in the film.
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Miscellaneous 

In the closing credits, thanks go to one person listed as being from the "Califorina (sic) Academy of Sciences".
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Incorrectly regarded as goofs 

Hoagie refers to "the shark that killed Martin and Sean", although Martin wasn't killed by a shark, but by a heart attack. However, Ellen had been insisting that his heart attack was from fear of the shark, so he was likely speaking figuratively.
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Plot holes 

A shark just killed a young girl on the beach, but only Mrs. Brody goes out looking for it. In reality, the entire island population would be out in their boats, chumming the waters and fishing for sharks.
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A twin-engine airplane lands 10 yards from Mrs. Brody's boat. They swim for the boat, despite the visible shark.
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Revealing mistakes 

When the Shark has been fitted with the tracking device, it it swims away. The lines on the bottom reveal that the shark is in a swimming pool.
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The shark manages to roar like a lion with its mouth is underwater.
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Two controlling rods visibly extend from the shark as it hauls Jake down into the water; one comes out by Jake's leg, another is on the shark's stomach.
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After the boat sinks, the actors are clearly swimming in a tank; the "ocean" bumps up against the edge of the horizon.
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When the shark attacks Michael Brody and forces him out of the submarine, an underbelly shot of the shark eating the sub shows a large, rectangular hole in its stomach. It's only visible in the theatrical release and the UK television version.
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When Michael and his wife work with the welding torch, the flame's intensity changes several times as the camera shows each of them one by one.
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During the closer shot of the shark's fin moving through the water, before the banana boat attack, metal struts extend from below the fin, attaching it to a towing device.
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When Jake is on the boat looking through binoculars at the ocean, he is wearing sunglasses, but the view through the binoculars is clear.
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When the shark attacks the banana boat, the victim actually puts her leg into the open shark's mouth as she draws near it. The banana boat is clearly being towed near the open shark's mouth.
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In one shot of the shark swimming from behind, stitching in the fabric used to make the shark's skin is visible on it's fin.
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When the shark leaps out of the water as Michael electrocutes it, the metal rod controlling the shark's jaw mechanism is clearly visible in its mouth.
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Jake is twice seen working on the shocker device with a screwdriver. The first time he is ineffectually twisting the screwdriver backwards and forwards. The second time it clearly isn't engaging with anything.
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During the attack on Michael in the sub, a support arm is visibly connected to the shark's belly.
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When the shark leaps out of the water, as Jake is about to apply his electric gadget, the shark suddenly has a third pectoral fin on his chest area, pointing down between the other two. This is obviously a disguised support bracket to lift the shark as high as possible.
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Spoilers 

The goof items below may give away important plot points.

Continuity 

Mike is standing when he shocks the shark. Just before the beast is impaled, Mike he is sitting without the shocker. In the next shot, he stands with the shocker and delivers another jolt. It's only visible in the theatrical version.
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Continuity 

The boat did not explode, yet flotsam is visible in subsequent shots after everyone is thrown off.
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See also

Trivia | Crazy Credits | Quotes | Alternate Versions | Connections | Soundtracks

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