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The Big Bang Theory

The Tangerine Factor - S1-E17

Corrected entry: When Penny and Leonard are talking to Sheldon about their date, Sheldon refers to Schrodinger's Cat, stating "The cat in the box is both alive and dead, until you open the box and find out." Yet the precise point of the Schrodinger's Cat example is that the cat cannot be both alive and dead. Schrodinger was arguing against physicists of the time who claimed that certain subatomic particles were special and could be in opposite states at the same time; his argument was that you can't make small systems special because a large and obvious system (e.g., the cat) could always be made to depend on the state of the smaller one, and for a large and obvious system to be in opposite states simultaneously is ridiculous. Now, this is pretty obscure and the misunderstanding of Schrodinger's Cat experiment is widespread, but this is Sheldon we're talking about.

Correction: This is not a factual error on Sheldon's part. He explicitly says that Schrodinger's experiment was an attempt to explain the Copenhagen interpretation of quantum physics, which implies that the cat could be both dead and alive until the box is opened and observed. While he doesn't explain that the point of the experiment was to critique the prevailing thought of the time, his overall point to Penny fits within the context as given.

The Financial Permeability - S2-E14

Corrected entry: When Leonard returns from talking with Penny, the guys are playing Talisman. Stat counters are randomly placed on the board, when they should always be associated with cards. Then Howard rolls "double sixes" - in Talisman you advance your character by rolling a single die. Raj then acquires a sword without rolling - only the character that rolled would have acquired an item without additional gameplay.

Correction: Fountain of Wisdom, Pool of Life, and Magic Stream all put stat counters on the board to be picked up by whomever passes by. A Horse allows one to roll two dice for movement, and Market Day or Acquisition would allow someone to acquire items out of turn.

The Jiminy Conjecture - S3-E2

Corrected entry: In the discussion between Raj and Howard about "shiksa goddess" plus Sheldon's later mispronunciation of the word and Howard's correction, it is never clarified that the term applies only to a Gentile girlfriend of a Jewish man. No other relationship qualifies.

Correction: This is incorrect as it also applies to a Gentile woman who is the object of desire by a Jewish man. However, like many words, the appropriation of the word by English speakers has transformed it into any Gentile woman (although usually an attractive woman) and is as such, commonly used as a term of endearment rather than an insult.


The Lizard-Spock Expansion - S2-E8

Corrected entry: Sheldon suggests Rock, Paper, Scissors, Lizard, Spock as an alternative to Rock, Paper, Scissors because "Anecdotal evidence suggests that in the game of rock-paper-scissors, players familiar with each other will tie 75 to 80% of the time due to the limited number of outcomes." As a devout scientist, Sheldon would know that anecdotal evidence is no basis for reaching a conclusion because it is based on individual experience and subject to bias.

Correction: Presumably the "anecdotal evidence" is his own experience; within his group of friends they tie 75-80% of the time.

The Pants Alternative - S3-E18

Corrected entry: Sheldon claims the X-Men were named so after the X in Charles Xavier's' name. In The X-Men #1 (1963), Professor X states that mutants possess an extra power that humans do not have. Xavier then says "That is why I call my students... X-Men, for EX-tra power!"

Correction: He may be going by the movie continuity, where the X-Men DID name themselves after Charles. (Likely in an effort to "dumb it down" for Penny).

The Bakersfield Expedition - S6-E13

Corrected entry: At the end of the episode Sheldon's sat nav voice asks "Can you name the four state capitals that are not served by the interstate system?" In fact, there are five, according to the Interstate System's website. Juneau, Alaska; Dover, Delaware; Jefferson City, Missouri; Carson City, Nevada; and Pierre, South Dakota.

Correction: Although there used to be 5 state capitols not served by the interstate system, the completion of I-580 means that Carson City is now served, hence there are only four, and the sat nav was correct. 580 was completed in 2012, the episode in question aired in 2013.


The Skywalker Incursion - S8-E19

Corrected entry: Leonard refers to a never-ending game of "Bottle of Beer on the Wall" as having 'one times ten to the fourth' bottles of beer. One times ten to the fourth power is just one multiplied by itself a ridiculously large number of times, which equals one. That would be a very short game. Not a mistake a physicist would make.

Correction: One times ten to the fourth is 10,000.

The Bozeman Reaction - S3-E13

Corrected entry: In the scene where Sheldon lists the things that were stolen from the apartment, he mentions several gaming platforms including PlayStation 2 and PlayStation 3. Other than that he lists games including Final Fantasy 1 to 9. You can't play those Final Fantasy games on any of the gaming platforms he lists though (Only some HD remakes are available for the PlayStation 3, but only as downloads, so you won't be able to steal the discs because they don't exist).

Correction: He lists the items that were stolen. Just because he lists games for consoles that weren't taken doesn't mean they weren't stolen. He either has the games but the console was not in the apartment, or he has the games and the consoles were not taken.

The Pants Alternative - S3-E18

Corrected entry: Sheldon refers to the "Hillbilly Peace Prize" in connection with Penny. Sheldon would have corrected anyone else who said such a thing. He would point out that that word "hillbilly" refers to people who dwell in rural, mountainous areas in the US primarily in Appalachia, the Ozarks, and other less well-known mountain chains. Nebraska, where Penny is from, is rural, but being a Great Plains state, has no connection at all to the term, not to mention a lack of mountains.

Correction: Hillbilly is also an insult to those who live in farming and rural areas, which Penny's story certainly invoked.

Greg Dwyer

The Dumpling Paradox - S1-E7

Corrected entry: While the group are trying to figure out how to play Halo without Howard, Leonard jokingly suggests cutting Raj in half. Raj responds, "Oh sure, cut the foreigner in half. There's a billion more where he came from." But Penny is in the room with them, so there's no way he should be able to talk in front of her, or even if he's been drinking, the fact alcohol helps him isn't realised until the next episode, so the fact he can speak with her there should have surprised everyone, including him.

Correction: Penny is on the other side of the room and not in the conversation. Raj's comment was an aside to Howard and it can be reasonably concluded that nobody else could hear.


The Grasshopper Experiment - S1-E8

Corrected entry: Leonard wonders aloud "I wonder who's going to tell his (Sheldon's) parents they're not having grandchildren." Leonard and Sheldon have been sharing the apartment for long enough for Leonard to know that Sheldon's father has been dead for a number of years, but it is at least since S1E04, when Sheldon's mother says "God rest his soul" while talking about his father.

Correction: Episode S01E04 ended with Sheldon asking his mother if Dr. Gablehouser is going to be his new daddy and her saying "We'll see." So he could be the other "parent." Or his mother could have met someone else between the episodes.

The Bon Voyage Reaction - S6-E24

Corrected entry: Sheldon gets everyone's attention by tapping a glass and saying "that's a B flat, for those that don't have perfect pitch." It's not a B flat, it's a B.

Correction: The note is a dead-on Bb, assuming the western standard of A=440 Hz.

The Hawking Excitation - S5-E21

Corrected entry: Stephen Hawking tells Sheldon he made an arithmetic mistake on page 2 of his paper. Sheldon then quickly turns pages on his paper to find the error, but Sheldon turns several pages of his paper, way past the second page, and still finds the error Stephen had noted.

Correction: Scientific papers number their pages differently to how one would assume. There are pages before page 1 begins which are often numbered using Roman numerals. Therefore Sheldon is correct in turning several pages to find page 2.

The Wheaton Recurrence - S3-E19

Corrected entry: In previous episodes, it's mentioned that Leonard is lactose intolerant, but at the bowling alley he eats from a plate of chili cheese fries.

Correction: Just because he's lactose intolerant doesn't mean he can't have dairy (as opposed to Howard's peanut allergy where he can't have any peanut product). In fact, in several episodes others have made fun of Leonard's flatulent as a result of him having dairy, evidence that he's had dairy products before.


The Pork Chop Indeterminacy - S1-E15

Corrected entry: Sheldon asks Missy why she doesn't tell her friends that he is a toll taker on The Golden Gate Bridge. There are no toll takers on the Golden Gate Bridge. Tolls are paid by credit or debit card, a prepaid account or by invoice to the registered car owner's address. There is no way Sheldon would not know this.

Correction: S1-E15 aired in May, 2008, but the Golden Gate Bridge didn't switch to all-electronic toll collection until March 2013, and the decision to convert to electronic toll collection wasn't made until January, 2011.

The Thanksgiving Decoupling - S7-E9

Corrected entry: Penny states that she did not know that a Vegas wedding is an actual wedding, however in season 5 episode 24, The Countdown Reflection, she states that she knew tons of people who got married in Vegas.

Correction: Just because she knows people who got married in Vegas doesn't mean she didn't know the weddings were real.

The Codpiece Topology - S2-E2

Corrected entry: Sheldon says something about drinking red bull, but he doesn't drink coffee because it's a drug, so he would avoid red bull even more.

Correction: Sheldon said that he accidentally had a sip of Red Bull. It was an accident. He didn't do it on a purpose.

The Wiggly Finger Catalyst - S5-E4

Corrected entry: Five minutes into the show, Sheldon has written down what a dice roll will tell him what to do. He rolls the dice, pauses and looks at the list to see what he has to do for that dice roll. The problem is he has an Eidetic memory and wouldn't take the time to look at the list when he can already see it in his head.

Correction: This is not at all accurate. The list he his looking at is the Cheesecake Factory menu, not one he created himself. Given the nature of the menu page Sheldon looks at, it's unlikely he's ever looked at that page before.


The Locomotion Interruption - S8-E1

Corrected entry: Sheldon says he was in a fire while taking a train through Des Moines. The largest Des Moines in Iowa has not had passenger rail service since 1970, and the much smaller Des Moines in Washington and New Mexico have never had it at all.

Correction: There may not be a station operating in Des Moines, but there are passenger rail tracks that go through it, stopping at Osceola. The fire could have happened on the train, as he does not specifically mention being at a station there.

Greg Dwyer

The Irish Pub Formulation - S4-E6

Corrected entry: Sheldon is playing an online game he found. He yells to Leonard "I'm trapped in quicksand, the axe is dragging me down." Leonard then tells him to "Drop axe." Shortly after, Sheldon heads to bed, but he comes back saying "I know how to get the bucket. I can turn the axe around and use the handle to reach it." However, he does not have the axe as he has already dropped it.

Correction: Sheldon is playing an old text and type game, many of which have only one way to beat them, so once Sheldon died, he would be sent back to the start, eventually reclaiming the Axe.

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