24th Nov 2019
The Day of the Doctor - S7-E16
Deliberate mistake: Looking closely at the floor of Eleven's console room reveals that the part of the floor around the console facing the door has been discreetly raised up, which it isn't in any other appearance of this console room, so that Clara can ride her motorcyle inside it without going down two steps. This wasn't in any previous episode and is gone in the next one.
Suggested correction: The Tardis has constantly shown it can change its internal structure to fit its needs or desires.
27th Sep 2014
Revealing mistake: In the opening scene the Doctor and Donna are speaking over the phone. The purple phone Donna is holding shows the slot where a cable should be plugged in, but there is none. (00:00:25)
Suggested correction: This shouldn't be considered a mistake. While it's true in real life this phone has a slot for a cable, they're on an alien planet and this is unknown technology. In-universe there's no way of knowing what that slot is for, and there's no reason to think the phone needs to be plugged into anything.
21st Sep 2018
Character mistake: The question to unlock one of the doors asks for the next number in the sequence 313, 331, 367. The Doctor gives the answer as 379 with a convoluted (albeit correct) explanation of happy primes, but there are much simpler solutions. The difference between the first and second numbers is 18 and the difference between the second and third is 36 (which is 2 x 18), suggesting that the difference between the third number and the next could be either 54 (= 3 x 18), giving 421 as the next number, or 72 (= 2 x 36), giving 439. It's likely that the Doctor would see that the answer is ambiguous, and yet he confidently states that the most complicated answer is correct. (00:08:45 - 00:09:15)
Suggested correction: If you know what a happy prime is, like the Doctor does, it might be simpler than your idea because you gave 2 options - 421 and 439. The idea of a pattern is there should be only one answer that fits, which would be the case if they're all happy primes.
27th Mar 2018
Corrected entry: The episode is set in 2049. The lead astronaut mentions that her grandmother used to use the social media and blogging site Tumblr, in a fashion suggesting that the site is by this time a thing of the past, much like slide rules now. However, she is played by an actress who is at least in her late forties, meaning that if you do the math, her character would be more than old enough to have used Tumblr herself.
Correction: The implication may be that much like Facebook now, it's something the older generation uses whereas the younger ones have already ditched it in favour of something else.
Correction: In addition to the implication, you're also assuming Lundvick is as old as the actor playing her. She could in fact be in her mid-30's (or younger). Plus, this episode aired in 2014, and while we know Tumblr continued to be widely used afterwards, it could have no longer been popular by the time Lundvick was old enough to use it in 2015 (perhaps her parents didn't want her using it until she was a teenager, if she is in fact 47 in 2049).
9th Mar 2011
Factual error: When the Doctor spots Rory taking a photo of Prisoner Zero, we're shown a brief close-up of Rory's hospital identity badge. The date of issue is given as "30/11/1990". The main body of the episode is set in 2008, two years before Rory and Amy's wedding in 2010. It's further established in the episode that Rory and Amy played together as children after her first meeting with the Doctor in 1996, with Rory observing that Amy made him dress up as the Raggedy Doctor. Rory could not possibly have worked for the hospital for eighteen years at the time of the episode. (00:33:10)
Suggested correction: Continue watching the show as this is a clue and not a mistake. In later episodes Rory becomes the Last Centurion who watches over Amy for over 1,800 years while she is in the Pandorica. So while Rory was born in 1989, because of time travel and events that occurred to him, he's lived long enough to work at the hospital since 1990.
At that stage, Rory had not time-traveled at all. If he had been working at the hospital since 1990, he would have been a baby. And it was shown in "The Big Bang" that he works as a guard in the Museum where the Pandorica is kept in the alternate timeline, not at the hospital.
23rd Jan 2017
Corrected entry: In this episode, Mr. Copper was played by Clive Swift. To those who are familiar with British television, among other works, he played the long-suffering husband Richard Bucket (pronounced Bouquet) to his over-bearing wife Hyacinth in the sit-com Keeping Up Appearances.
Correction: Naming an actor who is credited for the show is not trivia unless there's some connection with his or her former work.
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