Best sci-fi movie plot holes of all time

Minority Report picture

Plot hole: Anderton's wife gains entry into the jailhouse using her husband's eyeball - but he's already locked up inside, so his eye would not still have access to enter as it pleased. Any place anywhere that would have any sort of security system requiring anything from a simple passcode to a card key to a retinal scan, would immediately delete the user in such instances from all rights. And would also certainly report on any attempted use of such (retinal scan, pass code, whatever).

02:00:45

Planet of the Apes picture

Plot hole: The "video history" of the crashed USAF ship makes it very clear that the planet is uninhabited when they "landed". I can understand how a race of apes develops - they had a bunch of them on board. I can understand how a race of humans develops - they are descendants of the original crew. What I don't understand is...where the heck did all the horses come from?

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Suggested correction: According to the backstory, the space station Oberon was dedicated to genetic modification sciences. They were actually experimenting with animal genes in the safety of space (which kind of makes sense). Given that the Oberon was a truly gigantic space station, it's not too much of a speculation that they were experimenting on many different types of animals (not just apes). When the Oberon crashed on Ashlar, half its crew was killed, but half survived with a number of ship's systems still functional, and they continued their genetic research, possibly producing a number of Earthly species on the otherwise uninhabited planet.

Charles Austin Miller

I think this should've been posted as a question, rather than a plot hole.

Charles Austin Miller

That's just a wild guess. There hasn't been a single mention of horses on board the Oberon. Even if there were, why only horses?

lionhead

Wild guess? The Oberon was experimenting in genetic modification, which implies a broad range of research...and not just on great apes. The Oberon was gigantic enough to be an Ark.

Charles Austin Miller

So where are all the other animals?

lionhead

Suggested correction: Humans refer to parts of their own planet as uninhabited even though even though they are crawling with animals - vast areas of the Arctic are "uninhabited" even though polar bears and seals are found there. Were we to find a planet with nothing but primitive horses on it, we would label it as uninhabited. Apes and humans came from the crashed spaceship, horses were always there.

Which still makes no sense whatsoever.

Charles Austin Miller
Star Wars: Episode II - Attack of the Clones picture

Plot hole: When Amidala and some of the clone troopers get blown out of the ship chasing Dooku, later the trooper approaches Amidala and asks about making their way back to the front lines, but Amidala says they should go to the hangar to help Obi-Wan and Anakin. How did she know about the hangar, having left the ship quite some time before it arrived at the final destination?

02:05:50

Battlefield Earth picture

Plot hole: The facilities at Ft. Hood have working electricity to power the simulators, projectors, etc. even though it's been 1000 years, with no logical reason for the Psychlos to have kept the facility maintained, and the fact that the Psychlos should by rights have leveled the place when they invaded 1000 years before. Even automatic backup generators would have no fuel after 1000 years dormancy except for a nuclear system, which would still have required regular maintenance over a 1000 year interval to maintain automatic functionality.

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Spider-Man 2 picture

Plot hole: Harry tells Doc Ock that in order to find Spider-Man he must find Peter first. Doc Ock finds Peter with Mary Jane in the cafe and throws a car through the window straight at them, then later throws Peter against a brick wall. Any normal person would've been killed instantly (or very badly injured), and Doc Ock doesn't yet know that Peter is Spider-Man. Given that Peter is his only lead on Spider-Man, it makes no sense that Doc Ock would try to kill him.

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The Cell picture

Plot hole: Peter goes into Carl's mind to save Catherine. When he's in there he sees the tank with the water nymph. On the tank are strange symbols which provide the FBI with the clue needed to find the latest victim. Makes sense so far. But, go back to the scene just after the FBI have captured the comatose killer and are looking in his basement. The FBI are looking at the contraption that the killer uses to suspend himself over the victim. On the contraption is the same symbol seen later on the water nymph's tank. Why didn't the FBI follow up the symbol then?

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The Matrix picture

Plot hole: When Morpheus and his crew rescued Neo from the Matrix, how was it possible that Neo's real self had his ear pierced?

00:35:55

Jurassic Park III picture

Plot hole: The spinosaurus manages to smash through a metal reinforced wall designed to stop dinosaurs getting past it without too much effort, yet it can't get through a wooden gate secured by some metal bars. It makes no sense.

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Hollow Man picture

Plot hole: The must be a lot of dumb scientists in Sebastian's lab. While defibrillating the invisible gorilla, (s)he becomes completely visible for a moment. However, not once do the scientists consider that applying a mild electrical shock to the system renders the invisible animal visible again - that electricity may be the key to the whole invisibility problem. They don't even comment upon the fact that the gorilla does become visible.

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Suggested correction: They have been working on making the animals visible for a while now - perhaps using electricity has been used on the animals and discarded because the amount needed to make a animal visible is too high (note that Sebastian receives a massive electric shock and is still not made fully visible).

Adding a silly Dieux ex Machina explanation to a plot hole doesn't make it less of a plot hole! Electricity makes invisible animals visible. Nothing else the scientists tried came even close to working, and they are given the answer on a plate. Defibrillators deliver quite a mild electric shock so it is obvious that they don't have to electrocute an animal to restore it to visibility.

You Only Live Twice picture

Plot hole: Right after Bond escapes Blofeld and joins Tanaka and Kissy, they say they need to get to the Control Room (that Bond just left from), they look at the "front door" to the Control Room and Tanaka says "Impossible! It's too well defended!". Why did they not go back the way Bond just came from, through Blofeld's "apartment"? Instead, they fight their way across the entire launching complex and go through another entrance, which ALSO leads through Blofeld's "apartment".

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poehitman
Fantastic Voyage picture

Plot hole: Even if the white blood cells will attack and destroy the sub and the body of doctor Martin the atoms would still remain and take normal size after the critical 1 hour is up. This would also apply for the laser gun which they forgot or left behind on purpose.

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Super Mario Bros. picture

Plot hole: After Mario and Luigi have defeated Bowser, Daisy's father and the man in New York re-evolve back to their human forms. This makes no sense as it is never explained, and none of the goombas or Koopa troopas ever revert.

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Jurassic World picture

Plot hole: Even if boys of that age had the technical know-how to quickly repair Jeeps over 20 years old (seriously?), any gasoline in the tank would have long become unusable, the tires and lines would have rotted away, and the electrics would all be dead. Now if it was in the desert or a dry garage, it may have survived, but it's on a tropical island, in a shed that has all sorts of holes in the roof, leaving it exposed to every kind of weather the island could throw at it. In addition, the kids start the jeep with the small battery of an ATV, which cannot produce enough power to crank a Jeep engine.

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Suggested correction: It is not uncommon for youngsters to want to help family members when fixing cars, it also wouldn't take much to know how to change a battery and put some fuel in. The gasoline came from the crashed ATV outside so it is therefore fresh. In regards to the age of the vehicle, it is not known when it was last used. It could have been used by builders whilst Jurassic World was under construction. Judging by the difference in condition between the garage and the main rotunda, it looks like the garage has been somewhat maintained which would back this theory up. It is also worth noting that the Jeep was left to rot after filming and that is genuinely the condition they found it in, apart from putting new tires on it they didn't have to do any mechanical work to get it running so it is indeed possible to get a vehicle running that has sat for years. In regards to the battery, there have been huge advances in technology. I have a classic Capri which used to use a huge lorry / forklift battery. It will now start off a battery from a 2008 Ford Focus.

Spider-Man 3 picture

Plot hole: Flint Marko has his whole body turned into sand including his belt buckle and any other metal he happens to be wearing. If all of this turned into sand then why was the locket intact without it turning into sand as well?

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Movieman123

15

2012 (2009)

2012 picture

Plot hole: Given the amount of destruction all over the world, it is HIGHLY unlikely the use of phones by general public would be possible, especially internationally. If any lines of communication were working, they would be completely jammed.

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krameruser
The Lost World: Jurassic Park picture

Plot hole: How did the men on the ship get killed? The bridge was intact and the T-Rex was still inside the cargo hold. [A raptor escapes from the boat when it pulls in to the harbour, but they cut the scene from the film and now that bit doesn't appear to make any sense.]

01:40:55

About Time picture

Plot hole: They aren't able to travel before the birth of their children or their children become different. Despite that, he visits his father one last time before their third child is born. His Dad and he then travel back to when he was a kid, which would have changed his first 2 kids.

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Transformers: Revenge of the Fallen picture

Plot hole: Simmons stands outside the 'The Monastery' at Petra (not to be confused with 'The Al Kazneh' at Petra where Indiana Jones and the Last Crusade was filmed) and looks at the horizon, and he is able to see the Air Force landing with Optimus by the pyramids. It then appears to take them mere minutes to drive over there. This is outright laughable, even accepting that they make the trip in an alien robot car. Petra and Cairo are separated by hundreds of miles of desert, not to mention Israel being between Egypt and Jordan.

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The Core picture

Plot hole: When the crew's vessel gets stuck in the giant geode and the crystal jams the 'impeller', the magma begins to fill the chamber. They see it melting the crystals, yet they frantically continue working to free the crystal from the impeller and lose a crewman...and yet when they get back in the vessel, the magma indeed melts out the crystal that jammed the impeller. With 2 geologists onboard you would think they'd know that.

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Superman IV: The Quest for Peace picture

Plot hole: For some strange reason, when Nuclear Man passes away in space, he remains floating, however Lacy, who is grabbing his hand, falls downwards.

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Sacha Premium member
Superman picture

Plot hole: After Superman has reversed time the Hoover Dam reverts to its previous undamaged state as it should, but Jimmy Olsen should then have been replaced back on the dam. Instead he interrupts the potential kiss between Lois and Superman and complains of being abandoned by Superman in the desert.

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skeffderry
The Fly picture

Plot hole: The whole problem with the teleporter occurs when fly DNA is mixed in with Seth Brundle's DNA, starting his transformation into the Brundlefly. Brundle is on a hiding to nothing from the word go, and the fly is irrelevant. Humans are a walking talking mass of foreign DNA - we are host to one trillion bacteria all of which has a complete compliment of DNA, as do various tiny mites that live in our hair follicles and all sorts of single cell organisms in our gut. If the transporter serves to mix the DNA of all living creatures which are in the transporter pod at the time Brundle would turn into a half-man, half-bacteria. Incidentally, DNA from a bacteria, an amoeba or a hair follicle mite would be just as 'compatible' with human DNA as that from an insect. It's quite a simple chemical, really.

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Suggested correction: Being as how the bacteria and mites and such were IN or ON Seth, the machine was able to organize those symbiotic relationships accordingly as teleporting one would teleport all. The fly was separate, not touching. The machine was not programmed to anticipate two separated entities and so combined them into one on the other side.

Phixius Premium member

We leave behind a vapour trail of bacteria and viruses (among other things) as we walk, in our breath and emanations from pores in our skin, and Brundle isn't trapping any in his clothes as he isn't wearing any. Brundle has an invisible cloud of DNA floating around him in that teleportation chamber and as far as the machine is concerned their DNA has exactly the same status as that of the fly.

Terminator 3: Rise of the Machines picture

Plot hole: The T-X did not hear Catherine in the Animal Hospital when she was only a few feet away and breathing loudly. Considering the scope of some of her technology, one would assume she would easily find her.

00:22:20

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Suggested correction: Nothing in the movie shows or implies she has any feature that allows her to detect a human who is hiding or can detect one breathing.

Spy Kids 3-D: Game Over picture

Plot hole: The Toymaker throws that toy bird at the hippie version of himself. The toy goes through him because he is a hologram. Later, he pushes the soldier version of himself at the screen making it crack. How could he if the three others are holograms?

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Ultraviolet picture

Plot hole: Where did Cross get the blood on his hands? The gloves were clean of blood after he looked at the teeth and removed the gloves, so where did it come from?

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Star Trek II: The Wrath of Khan picture

Plot hole: Why doesn't Reliant know that Khan is exiled here? The Federation is so terrified and opposed to genetic engineering that it's still illegal 300 years after Khan. So why is there no warning along with the data on the Ceti Alpha system? Kirk logged what happened with Khan and his solution of marooning him. Starships use nav data to navigate star systems. Ceti Alpha 6 exploded, yet the helmsman or computer never noticed that there is one less planet than there was when Kirk was there? There is no debris from the explosion? Ceti Alpha 5 is the exact same size and was conveniently blown into the exact same orbit as Ceti Alpha 6 used to have? So there is nothing whatsoever to make the crew even suspect that it's not 6? Enterprise would have to have scanned the planets in the system to know that one was habitable for Khan. Did Ceti Alpha 6's destruction somehow magically turn Ceti Alpha 5 into its exact duplicate? If Starfleet ships have been there to map after Ceti Alpha 6 exploded, none of them bothered to check on the exiles? Pretty callous for Starfleet, don't you think? With the technology and amounts of information available to Starfleet vessels, there is NO logical reason for the Reliant to think that this planet is Ceti Alpha 6. Finally, would the Federation be willing to test a device whose exact effects will be unknown on a planet so close to another inhabited one?

00:21:00

Grumpy Scot
X-Men 2 picture

Plot hole: When the Drakes (Bobby's family) arrive home they are acting quite naturally, until they find Wolverine there and get a start. Later on we see that they had parked their van in the driveway right behind Cyclops' car, which Logan and company had borrowed and parked there. Wouldn't they, seeing a strange car in their driveway, be suspicious or at least enter their house asking "Bobby, are you home?"

00:52:45 - 00:59:15

Rogue One: A Star Wars Story picture

Plot hole: When the inspection team goes into the Rogue One shuttle and then the Rebel team comes out of the shuttle in the inspection team's disguise, no one near the landing pad or in the building notices that two stormtroopers have disappeared from the group, the Imperial Officer has grown a beard in less than 5 minutes, and an Imperial Droid has come into the group.

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The Butterfly Effect picture

Plot hole: When Evan is in jail with the religious prisoner trying to get him to help him get his journals back he goes to the scene where he is drawing that homicidal picture in kindergarten, but he gets up and puts the spikes that holds documents through his hands, creating a stigmata-style scar. The religious guy in the cell with him is so amazed because of this he thinks Evan is a prophet and he decides to help him. If Evan had gone back in time and got those scars on his hands, he would have changed the original timeline and would have arrived in jail with those scars the whole time. Some people try to correct this using the "If I can create scars, then can I fix them?" statement Evan made to defend the mistake and suggest he can create instant scars but he was using the word "scars" to refer to the negative events; not literal scars on his body. The scar he got when he burned himself in the past didn’t magically appear on him the moment he returned from the past; it became part of a new, slightly altered timeline (just like the scars on his hands should have been) and it let him know he can change history.

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The Prestige picture

Plot hole: Julia dies in the underwater escape trick tank because the axe couldn't get her out in time. However, if she was able to open the lid from inside the tank, get up, over, and down, then close the lid (all quickly, silently, and without assistance) when the trick goes properly, then there is no reason that the four men standing around could not have simply lifted the lid, either acting a key in the fake padlock to preserve the trick, or using a key if it's real. At this point she could have gotten her head above water and draped her hands over the side of the tank to stay up. That done, the crisis is over, and she must only wait to calm down enough to get herself down, or be assisted. Cutter built the tank, so he knew how strong the glass was. The only explanation for using the axe was to allow Julia's death, thus advancing the plot.

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Phixius Premium member

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