Best sci-fi TV character mistakes of all time

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Arrow picture

Al Sah-Him - S3-E21

Character mistake: Diggle turns to Nyssa and says "I think what she's trying to say is, Oliver would never do anything to hurt you, Felicity," incorrectly addressing Nyssa as "Felicity." (00:14:00)

Jessie Lynn Starborne
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Suggested correction: He's addressing Felicity, he just turns around to look at Nyssa accusingly while he says it.

More Arrow character mistakes
Doctor Who picture

100,000 BC - S1-E1

Character mistake: When Ian is trying to escape from the TARDIS in episode 1, he says, "He closed the door from over there, I saw him." It was in fact Susan who closed the door.

More Doctor Who character mistakes
The Last Ship picture

SOS - S1-E7

Character mistake: The Captain yells to Tex to man the "Fifty cal" but Tex goes to a mounted M240 7.62mm weapon.

More The Last Ship character mistakes
Star Trek: Voyager picture

11:59 - S5-E23

Character mistake: Neelix says that the Great Wall of China, prior to the 22nd century, was the only man-made object visible to the naked eye from orbit. This statement has been long-since debunked, but it's not unreasonable to think the myth perpetuated itself in the future. Still wrong though.

Bishop73
More Star Trek: Voyager character mistakes
Terminator: The Sarah Connor Chronicles picture

Pilot - S1-E1

Character mistake: In the first scene with Cameron after she walks away from John next to the lockers, there's a poster on a wall to the left. It contains the word "guidance" misspelled as "guidence".

THGhost
More Terminator: The Sarah Connor Chronicles character mistakes
Star Trek picture

The Naked Time - S1-E4

Character mistake: Lt. Joey said to Lt. Sulu "You don't outrank me and you don't have pointed ears" but Joey is a junior grade lieutenant so Sulu would outrank him.

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Time Tunnel picture

Rendezvous with Yesterday - S1-E1

Character mistake: When Tony talks to captain of Titanic he states he was born in 1938, but in episode 4 "The Day The Sky Fell In" it is December 1941, he should be 3 years old, but as a young child he is about 12 years old.

redney
More Time Tunnel character mistakes
Star Trek: The Next Generation picture

Datalore - S1-E13

Character mistake: At the end of the episode, after Lore has been defeated, Picard asks Data if he is O.K. Data replies, "I'm fine." One of the plot points of this episode is that Data cannot use contractions.

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

Suggested correction: That characteristic was not added to the character until season two. In the first season, Data uses contractions on a number of occasions.

More Star Trek: The Next Generation character mistakes
Tru Calling picture

Brother's Keeper - S1-E3

Character mistake: At the end of the episode, after Sarah has been tricked into revealing her plan and is rather obviously going to go to jail, Tru tells her that she "should have taken half," meaning that she should have settled for half of Andrew's money in a divorce instead of trying to get all of it by having him murdered. But Tru seems to be forgetting that Sarah has been trying to divorce Andrew all along, and it's Andrew who has stood in the way of that. Sarah would evidently have been perfectly happy with half, but Andrew prevented it from even being on the table for her, so Tru's comment doesn't make any sense.

DavidK93
More Tru Calling character mistakes
Doctor Who picture

Army of Ghosts (1) - S2-E15

Character mistake: In an early scene with Yvonne Hartman, she says "We've just measured the ghosts' energy at 5000 gigawatts." There are at least two mistakes here: (1) watts are a unit of power, not of energy (that would be joules); (2) later on, when Hartman is showing the Magnaclamp to the Doctor, she refers to imperial tons and says "Torchwood refuses to go metric", but a gigawatt is a metric unit.

paolog
More Doctor Who character mistakes
Star Wars: The Clone Wars picture

Gungan Attack - S4-E2

Character mistake: Jar Jar finds Anakin and says, "Meesa so happy to see you." But in Attack of the Clones, when Jar Jar saw Obi-Wan and Anakin, he said, "Meesa so happy to see yousa."

kane raggett
More Star Wars: The Clone Wars character mistakes
Stargate SG-1 picture

Emancipation - S1-E4

Character mistake: After trading the pistol for Carter, Jack says "there's only 5 more rounds in that clip." However, the pistol didn't have a clip, it had a magazine, which is completely different. As a member of the Air Force who has been trained in firearms, he would know the difference.

Bishop73
More Stargate SG-1 character mistakes
Battletech picture

Well Bargained and Done - S1-E2

Character mistake: Tybus says he has a lance of 5 mechs. In Battletech, a lance is 4 mechs. While a Clan star does have 5 mechs, Tybus is an Inner Sphere character.

Grumpy Scot
More Battletech character mistakes
The Strain picture

The Battle of Central Park - S3-E6

Character mistake: When Justine Feraldo looks at the checkpoint feeds, she says that the Strigoi have overrun the checkpoint at 116th Street and 110th and Amsterdam. But the feed says 118th and Amsterdam.

THGhost
More The Strain character mistakes
Daredevil picture

Penny and Dime - S2-E4

Character mistake: When Matt is talking to his priest Father Lantom, he says "it was a nice sermon" instead of "it was a nice homily." In the Catholic church "homily" is the correct word; sermons are Protestant. (00:11:30)

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Star Trek: Enterprise picture

Zero Hour - S3-E24

Character mistake: Previous episodes have established this story arc to be occurring in the year 2154. Yet here, when T'Pol records her log, she cites the date as 2152. (00:32:00)

Jean G
More Star Trek: Enterprise character mistakes
Primeval picture

Series 5, Episode 2 - S5-E2

Character mistake: Referring to the US, Russian and Chinese governments, the admiral says that "Washington, Moscow and Shanghai" have been informed. The capital of China is Beijing.

Necrothesp
More Primeval character mistakes
Voyage to the Bottom of the Sea picture

Nightmare - S4-E17

Character mistake: Captain Crane has Bentley collared and is questioning him. An alive Lee Crane asks Bentley "why did you kill me?" He quickly changes it to "why did you try to kill me?" (00:10:40)

Chicken & Waffles
More Voyage to the Bottom of the Sea character mistakes
Smallville picture

Tomb - S5-E14

Character mistake: While Clark and Chloe are at Daily Planet, Clark asks her what is wrong with her mother. Chloe responds that her mother left when she was twelve years old. In the episode Lineage, Chloe and Clark are looking for Rachael Dunleavy and Chloe says her mother left when she was five.

More Smallville character mistakes
Red Dwarf picture

Demons & Angels - S5-E5

Character mistake: After the crew realise that the matter paddle has made 2 copies of Red Dwarf, Kryten says something along the lines of, "When I threw the machine in reverse...", but it wasn't actually him who threw the machine in reverse, it was Lister. (00:06:55)

Padzter
More Red Dwarf character mistakes

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