Best sci-fi movie mistakes of 1980

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The Final Countdown picture

Factual error: Listening to a radio broadcast, live, since no other indication is given, Joe Louis is completing the 12th round of a fight. This is December 6, 1941. Joe's last fight of 1941 occurred in September, his next fight was January 1942. (00:00:10)

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Star Wars: Episode V - The Empire Strikes Back picture

Revealing mistake: When Captain Needa is killed by Darth Vader because they lost track of the Millennium Falcon, in the background, two guards come to take him away. You can clearly see the dead captain get up almost by himself. (01:10:50)

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Superman II picture

Visible crew/equipment: In the town in Idaho when General Zod and his crew first visit, watch when the boy's father (elevated by Zod's finger) falls to the ground. You can see the pad under the dirt when he hits it.

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Flash Gordon picture

Continuity mistake: The egg timer in the jail is about to run out, but when Dale runs over to it and tries to turn it over, there is more sand in it than before.

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L'Uomo puma picture

Revealing mistake: When Tony is having his first fight in the embassy, it is obvious that most of his punches do not connect at all. The people he supposedly hit still react as though being hit, and the sound effects of a fist hitting a jaw are still there, even if Tony misses by several inches.

Twotall
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Saturn 3 picture

Audio problem: When Benson is dismantling Hector and putting his brain in the container, he says 'What you can't stand, you run from,' but his lips don't match what he says. (00:48:50)

Daz
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Super Fuzz picture

Other mistake: Near the end of the movie, Dave Speed jumps onto Torpedo's private plane and starts steering it to the ground. The plane is white with obvious red stripes. However, Dave Speed is supposed to lose his super powers when he sees red.

Daniel Garner
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Altered States picture

Plot hole: In the last tank experience, the ones watching are looking at a morphing of Dr Jessup's face. Problem is: There's no camera in the tank.

kh1616
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Battle Beyond the Stars picture

Audio problem: When the Kelvin sacrifice themselves in front of the Sonic Tank, Cowboy walks off and says, "C'mon, lets go", but his lips don't match what he says.

GalahadFairlight
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The Return picture

Revealing mistake: In this very-low-budget but star-studded flick about UFO contactees and cattle mutilations, Jan Michael Vincent's semi-auto handgun runs out of ammo during a firefight after firing only 3 rounds (the slide locks open, indicating the magazine is empty). Without reloading or racking the slide, Vincent continues firing 5 more rounds; but we see again, in close-up, that the slide is locked open, indicating an empty magazine. (01:00:55)

Charles Austin Miller
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