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Continuity mistake: When the laser scans Zarkov's jacket to destroy the gun inside, the arm disappears in the close-up angle.

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Continuity mistake: The FX of the rainbow coloured dangerous void is missing before the fight starts, revealing a grey coloured, harmless set. (01:09:45)

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Revealing mistake: When the spaceship flies, Zarkov keeps warning about the g-force and Dale and himself suffer it, yet when he tells Flash to step on a pedal, Flash manages to lift his foot and do everything effortlessly, g-force magically gone.

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Revealing mistake: Flash flies on the Cosmo-mobile and half of it becomes transparent due to the blue screen behind.

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Plot hole: A group of baddies in Ming City fire at Flash Gordon from one laser gun while he drives his jet, but from the opposite angle the shots come from everywhere, as if there were dozens of guns.

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Continuity mistake: Ming kicks a silver cup into the void. When it falls, the cup becomes green coloured.

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Plot hole: Flash needs a device to communicate via telepathy and help on how to use it, yet Dale talks out loud and her voice reaches Flash without the use of any device or help at all.

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Continuity mistake: When lizard man is fried, the position of his tail keeps changing between angles.

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Continuity mistake: After Barin stands up on the spiked ring his whip keeps changing positions depending on the angle.

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Continuity mistake: While fighting against Barin, Flash's whip lies on the floor and keeps changing from rolled to straight between shots.

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Continuity mistake: When Zarkov is waving a piece of cloth to signal Ming their position, Flash and Barin are standing behind, but disappear when Ming watches Zarkov on his screen, and reappear afterwards.

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Continuity mistake: After Barin saves Flash from the Arborian beast Flash's shirt is clean, a frame later from a different angle it's covered in mud.

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Continuity mistake: When Aura is kissing Flash and telling him about her palace, she has her arms around his ears. When the angle changes the hands are around his cheeks.

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Visible crew/equipment: When Flash is attacked by the alien he falls on a noticeable brown safety mat.

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Continuity mistake: Zarkov tells Dale to press the button to launch the shuttle, and Flash leaves the place with a big cloud of smoke behind. Half a second later, from a different angle, the smoke is gone.

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Factual error: A meteorite zooming through the atmosphere would crash on the ground at a high speed and with a really high temperature, not like a cardboard orange-painted ball thrown from a couple meters away, as it happens in the movie.

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Continuity mistake: When Flash's plane lands in Zarkov's lab the amount of leaves on the windshield increase dramatically between one frame and the other.

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Continuity mistake: When the meteorite falls on Munson's bed the glasses and papers on the blankets keep changing positions between angles.

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Revealing mistake: In the plane, when the eclipse occurs, the inside of the plane including Flash and Dale's faces turns to a bright fakish red; an impossible situation that gives away the lighting filter used to dramatize the eclipse effect.

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Continuity mistake: The first time we see Flash waiting to ride in the plane he has no sports bag next to him, but the next shot he does, and in the wide outside angles of his car the bag is nowhere to be seen.

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