Best sci-fi TV plot holes of all time

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More Danger Mouse plot holes
The Boys picture

Season 3 generally

Plot hole: In Russia, Soldier Boy is shown heading to the airport, He wanted to get to the US and start his revenge against his team. Problem is: he has no documentation and money to take a flight. Even if he stole the money somewhere, still would be impossible to travel without the proper documents.

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Wonder Woman picture

The Feminum Mystique: Part 1 - S1-E5

Plot hole: If her younger sister Drusilla is sent from Paradise Island to retrieve Diana, how did she get to Washington DC or wherever, she had no way of knowing where her older sister would be.


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The Wild Wild West picture

The Night of the Raven - S2-E3

Plot hole: Antoinette is making miniature clothes for the soon-to-be shrunken West, but when West drinks the antidote to make him normal-sized, he is wearing the same clothes which would have been shredded as he grew back to normal size.


More The Wild Wild West plot holes
Another Life picture

Nervous Breakdown - S1-E3

Plot hole: The episode's climax concerns Bernie rushing to the airlock to stop the rest of the crew, who are infected, from flushing themselves into space. Except that he's infected too, so they can't flush without him anyway.


More Another Life plot holes
Relic Hunter picture

Smoking Gun - S1-E2

Plot hole: Lori managed to get to the bunker through the elevator because the modern board was still replaced by the antique one. But that implies that she was able to call the elevator as normal. And if people can just call the elevator back but the normal control board has been replaced, then they wouldn't be able to use the elevator as normal, creating quite a problem in a huge hotel. Sydney earlier was not able to switch the board back to the normal one since she went out from a (mysterious?) exit/entrance, so this situation makes no sense.

Sammo Premium member

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The Tomorrow People picture

Endgame - S1-E17

Plot hole: In the flashback, Roger shoots the gun and is able to stop the bullet with telekinesis. But at that distance, not even the fastest human reaction could stop the bullet at that speed.


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Supergirl picture

Midvale - S3-E6

Plot hole: After Kara and Alex are run off the road, Kara is convinced by "Noel Neill", revealed later to be J'onn, to stop using her powers. From context, J'onn had to have been summoned by Eliza, but in 2007, she would still think he's just Hank Henshaw; she doesn't learn he's not, or even that he's a shapeshifter, until 2016, as seen in season 1's "Myriad", well after Kara and Alex have grown up.

Cubs Fan

More Supergirl plot holes
Power Rangers Samurai picture

The Team Unites - S1-E1

Plot hole: This was the first episode of the series and we see that the rangers are unable to figure out how to properly operate their zords; but in Origins Part 1 (which takes place prior to this) they have no issues with the zords at all.

More Power Rangers Samurai plot holes
Lexx picture

I Worship His Shadow - S1-E1

Plot hole: As the first prisoner is being pulled towards the organ cutter, you see on the wall the exact shape of the body organs for the brain, lungs, heart, liver, stomach, kidneys and testicles/ovaries that serve as guides and a track for tiny saw blades to come out and cut into the person's body to harvest these organs. The problem is these are in a fixed position, which might work for some people. However people are different sizes, shapes, and heights and most wouldn't match up to these blade guides. So a good majority of the people they cut apart to harvest organs out of wouldn't even give them good ones as the blades would cut into the organs and ruin them. (00:25:20)

Quantom X Premium member

More Lexx plot holes
The Tripods picture

The White Mountains: November, 2089 AD - S1-E13

Plot hole: The main characters are being pursued by Tripods, mind controlling alien machines. My question is, if the Tripods can turn humans into 1600's puppets, complete with foxhunts, why don't they make some of said mind-controlled humans help with the pursuit?


More The Tripods plot holes
The Man in the High Castle picture

Kindness - S1-E9

Plot hole: Under Nazi and Japanese rule the infirm, handicapped, critically ill, and mentally ill are considered sub-human and are executed. Ed's grandfather lives under this dictatorship, but he's rolling around in a wheelchair in his apartment. (00:13:00 - 00:16:56)

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Power Rangers RPM picture

Go for the Green - S1-E4

Plot hole: Dillon was quickly identified by the city sensors as having metal parts, thus classifying him as a threat to the city. Yet Tenaya, who is essentially a cyborg, tries out for the Green Ranger without setting off the same sensors.

Upvote valid corrections to help move entries into the corrections section.

Suggested correction: Tenaya wasn't caught because the guards assumed the equipment was faulty. It was giving positives all day because of all the sleeper agents we find out about later.

More Power Rangers RPM plot holes
The Invisible Man picture

Season 1 generally

Plot hole: In the pilot, it is established that the surface of anything/anyone made invisible by "quicksilver" is freezing. (Darien gets caught in the women's shower because the mist freezes on him. He freezes the beer mugs for the doctors.) But in later episodes, nobody notices him standing invisible - and freezing!? - next to them.


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The Invaders picture

The Spores - S2-E7

Plot hole: Hal and Roy could not open the spore case with an electric power drill, but later a married couple pops it open with a hammer and chisel, then much later some children acquire the case and easily open it.


More The Invaders plot holes
Terra Nova picture

Show generally

Plot hole: Skye's mother, Deborah, was held hostage by the Sixers for several years, though everyone believed she had died in an epidemic and was buried in Memorial Field. The Sixers kept her alive with medicine only they had to force Skye to act as their spy. Even though Terra Nova has a medical clinic staffed by doctors and nurses, it was never noticed that no one had witnessed Deborah dying, her body was never placed in the morgue, that was there no record of her being buried, or even questioned that there was no corpse. Deborah just disappeared without a trace and nobody wondered about it.

raywest Premium member

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The Twilight Zone picture

The Beacon - S1-E26

Plot hole: Barrows introduces himself as "Dr. Dennis Barrows," and Teddy asks, "What's a doctor?" As the isolated villagers have never heard of doctors, Teddy would have no way to know that "Doctor" was a title/profession and not simply part of Barrows' name. He should have asked, "What kind of a name is Doctor?"

Jean G

More The Twilight Zone plot holes
The Strain picture

The Fall - S3-E10

Plot hole: The nuclear explosion is on Liberty Island, a small yield, but nonetheless big enough to move an enormous amount of water towards the coasts on all sides. When we see Sertrakian and the others at the harbor no water is heading their way - they should be washed away by it. (00:37:30 - 00:38:45)


More The Strain plot holes

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