Best sci-fi TV factual errors of all time

Please vote as you browse around to help the best rise to the top.

Torchwood picture

Captain Jack Harkness - S1-E12

Factual error: When Gwen finds Toshiko's hidden message from 1941, she realizes that it was written in blood, and her flashlight reveals the bright red letters on the now-yellowed piece of paper. But after 60+ years, the iron in the blood would oxidize. The writing on the note should be rust-brown, not red. (00:33:40)

Jean G

More Torchwood factual errors
Journeyman picture

Friendly Skies - S1-E2

Factual error: When Dan goes into the machine for his MRI a light switches on just as his head enters the machine. MRIs have soft muted lights already in the machine (so technician can see the patient via cameras) they want you to rest and be calm to avoid claustrophobia, there are no bright lights. I have had 5 different MRIs in 4 different machines in 2 different states, all were the same. (00:02:00)

OneHappyHusky

More Journeyman factual errors
Battletech picture

Trade Secrets - S1-E5

Factual error: The Strikers steal several suits of Elemental armor in a few minutes and use it to escape after they are discovered. It takes 15 minutes to put on battle armor unaided and that's for an Elemental trained in its use. The armor is custom fit for a 6 and a half to 7 foot Elemental but 5 foot Val wears one. Elemental armor is also protected by voice recognition and code phrase software. Needless to say there's no way they could just walk out with 3 suits.

Grumpy Scot

More Battletech factual errors
More The Wild Wild West factual errors
More Futurama factual errors
Star Trek: Enterprise picture

Carbon Creek - S2-E2

Factual error: Part of this episode takes place in the 50s, during a previously-unknown incident of Vulcans crash landing on earth. Modern twenty and fifty dollar bills are visible in the tip jar.

More Star Trek: Enterprise factual errors
Wonder Woman picture

The Return of Wonder Woman - S2-E1

Factual error: When Steve gets attacked by the bad guys and Wonder Woman shows up, the lady in the car pulls out a camera and films the event. She sits still, the car isn't moving, and she does all the filming from the same position. However when she watches the playback, the film shows footage from multiple angles and varying distances, which is impossible because she and the camera were in the same spot the whole time.

More Wonder Woman factual errors
The Prisoner picture

Many Happy Returns - S1-E7

Factual error: Number 6 wakes up to find the Village deserted, but the central plaza fountain is still running - until he looks at it from the bell tower, when it's suddenly off. The Village fountains never appeared to be on timers (they were always on, day and night), and no one is there to turn the water off, yet it's somehow still off when Number 6 returns at the end.

Jean G

More The Prisoner factual errors
FlashForward picture

137 Sekunden - S1-E3

Factual error: When browsing for information about the crow deaths in the Ganwar Region of Somalia, the computer indicates that the CDC requested additional funding from DHS. The only problem with that is, DHS was formed in 2002, 11 years after the incident in Ganwar. (00:40:05)

klaser

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

Suggested correction: Although the Department of Homeland Security - commonly abbreviated as DHS - was not formed until 2002, in the later episode "Revelation Zero" it is indicated that DHS stands for an agency called Demographic and Health Services.

More FlashForward factual errors
Grimm picture

Map of the Seven Knights - S5-E10

Factual error: The Czech crime database (which appears to be an official Czech database) is headed 'Czechoslovakia'. Czechoslovakia has not existed since the Czech Republic and Slovakia separated in 1993 and neither country uses the term any more.

Necrothesp

More Grimm factual errors
More The Incredible Hulk factual errors
Sliders picture

Last Days - S1-E4

Factual error: When the missile intersects with the asteroid, and nothing happens right away, Arturo mentions to Bennish that light travels at over 186,000 miles per second, implying that the light from the explosion will take a moment to become visible. The problem is that by the time the missile is about to hit the asteroid, the light from the missile itself will have just as much lag time as the asteroid's explosion. The explosion should therefore have appeared immediately upon seeing the missile hit the asteroid.

Matty Blast

More Sliders factual errors
More Time Tunnel factual errors
Upvote valid corrections to help move entries into the corrections section.

Suggested correction: Not entirely true; although they are rare and may no longer exist now, I've seen traffic lights that followed the red, yellow, green pattern as recently as the mid-1990s.

zendaddy621

Interesting. What state (s) did you see this in? I'm assuming going from red to yellow was to encourage cars to cautiously enter the intersection in case someone was running a red light?

Phaneron

Traffic lights in the UK do this - it's more to give you a second to get ready, in gear, etc., then as soon as the lights turn green you can go. Otherwise you get no warning of when the lights are about to change.

In Illinois; as I said, such traffic lights are rare, but they did exist at least as recently as the time this episode of the series aired, and they may still possibly exist in larger cities such as New York City.

zendaddy621

This traffic light set-up (red to yellow to green) still exists today in the UK. From what I understand, it is to alert the driver that the light will be turning green imminently and to prepare themselves to put their car in gear, as manual cars are still pretty common in Europe. I'd wager this light cycle was phased out of North America due to the abundance of automatic cars today. Could have been different in 1994 though.

critterbonus

It should be noted that traffic lights that go from red to yellow before going green keep the red light illuminated so that both red and yellow are lit up. However, that's not what happens in the scene. I've never seen a traffic light operate the way it's shown. And Massachusetts still has traffic lights that go from red to yellow, however, when red and yellow are lit up together, this allows for pedestrian crossing.

Bishop73

More Spider-Man factual errors
More X-Men factual errors
More Night Gallery factual errors
Agent Carter picture

Now Is Not the End - S1-E1

Factual error: There is a periodic table shown in the background of the lab, showing an accurate periodic table as of now. During 1945, at least 21 elements had not been discovered. (00:17:40)

More Agent Carter factual errors
Revolution picture

Memorial Day - S2-E21

Factual error: When the presidents are coming together, there are pictures being taken with flash photography, which would not be possible in a world without electricity. (00:34:15)

Mike Walker

More Revolution factual errors
The Dead Zone picture

Cold Hard Truth - S3-E4

Factual error: When Johnny and Bruce are riding in the truck, listening to the 'shock jock', Bruce turns off the radio by turning the volume control on the left side of the radio. Johnny says he wants to hear it and turns the radio back on by turning the knob on the right, which is the tuning dial.

wizard_of_gore

More The Dead Zone factual errors
Mighty Morphin' Power Rangers picture

Return of the Green Ranger (2) - S2-E45

Factual error: Billy, Kim, Rocky, Aisha, and Adam return to Angel Grove in the 1700's...and there are British Redcoats there. On the West coast, in California. England never deployed troops to California, especially considering it was part of the empire of Spain at that time.

More Mighty Morphin' Power Rangers factual errors

Join the mailing list

Separate from membership, this is to get updates about mistakes in recent releases. Addresses are not passed on to any third party, and are used solely for direct communication from this site. You can unsubscribe at any time.

Check out the mistake & trivia books, on Kindle and in paperback.