The Big Bang Theory

The Imitation Perturbation - S12-E6

New this month Continuity mistake: When Bernadette and Amy are sitting in the kitchen, the teabag in Bernadette's cup changes position between shots.

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The Big Bran Hypothesis - S1-E2

New this month Continuity mistake: When Sheldon is cleaning, he moves an iPod dock and the iPod lights up. Camera changes and the iPod is unlit. A few shots later it's lit again. (00:09:00)

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The Big Bran Hypothesis - S1-E2

New this month Visible crew/equipment: When Leonard opens the door at the start a yellow tape marker is visible in the centre of the door way. (00:00:40)

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Pilot - S1-E1

New this month Continuity mistake: When Sheldon sits in his spot his hand and one leg are on his knee. Camera cuts and they are both down. (00:11:50)

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Pilot - S1-E1

New this month Continuity mistake: When Sheldon goes on his rant about star signs, Penny has her hair tucked behind her ear. Camera changes and it isn't. (00:09:50)

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Pilot - S1-E1

New this month Visible crew/equipment: When Penny starts telling Sheldon and Leonard about herself there is a mirror on the table next to her that reflects the edge of the set. (00:09:35)

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Pilot - S1-E1

New this month Continuity mistake: When eating at the start, the position of Sheldon's container keeps swapping in his hands. (00:09:00)

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Pilot - S1-E1

New this month Continuity mistake: When Sheldon is told to sit he does so with his legs crossed. Camera changes and they aren't. (00:08:50)

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The Big Bran Hypothesis - S1-E2

New this month Other mistake: Leonard is awoken by the apartment door closing. When he walks into the living room the door is open. (00:08:55)

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

New this month Suggested correction: He's awoken by a door closing, not necessarily the front door. He could have heard Sheldon closing his door.

Bishop73

While that is possible, it is unlikely as it's clear Sheldon has already made a dent in the cleaning of Penny's apartment. Plus Sheldon would have simply replied to Leonard when he called out.

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The Big Bran Hypothesis - S1-E2

New this month Continuity mistake: When shifting the box along the floor of the 3rd floor landing, Leonard's grips on the box is constantly changing. (00:06:00)

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The Big Bran Hypothesis - S1-E2

New this month Visible crew/equipment: At the very start, Raj walks over to his seat and a tape marker is visible on the floor. (00:00:05)

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The Habitation Configuration - S6-E7

Continuity mistake: When Howard is almost done moving out of his mother's house, there is a table in front of him with a measuring device in the top corner. In one shot, the device moves to the opposite corner of the table. In a few shots later, the item returns to its original position.

bobthedancingdonut

The Bad Fish Paradigm - S2-E1

Factual error: Raj and Sheldon are watching TV in Raj's apartment and we hear music playing. Sheldon asks if the woman on TV was Aishwarya Rai to which Raj says yes and then they argue about her and Madhuri Dixit. The song playing was from the Bollywood movie Kaho Na Pyar Hai, but neither of them are in the movie - the lead actress was Ameesha Patel. (00:14:50)

Aditi Gupta

The Beta Test Initiation - S5-E14

Factual error: Penny picks up a hand gun, pulls back the slide to ensure the chamber is empty and then releases it, leaving it closed. She then loads a magazine into the butt of the weapon and hands it to Leonard. He starts to smooch her and shoots himself in the foot. The gun could not have fired, because Penny would have to pull the slide all the way back and then release it again to load the first bullet. There couldn't have already been a bullet in the chamber, as the whole reason Penny pulled the slide part of the way back in the first place was to check just that.

Grumpy Scot

The Barbarian Sublimation - S2-E3

Revealing mistake: When Sheldon gets the sword for Penny in the game, Penny walks out and you can see the laptop isn't switched on. (00:07:55)

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The Hot Troll Deviation - S4-E4

Factual error: During the final scene of this episode, Sheldon steps out of his office wearing a gas mask and engages Leonard in conversation where he then states he is making hydrogen sulphide gas (more commonly known as H2S). Leonard correctly identifies this as highly flammable. However, this gas is far more dangerous and is harmful to the human body at as low a concentration as 20 parts per million (ppm), can cause permanent damage at 100ppm and is fatal after two breaths at 500ppm. So for Raj (and his bird) to be completely unharmed in a high concentration of H2S (noted by the fire) is impossible.

The Pirate Solution - S3-E4

Factual error: Sheldon says the movie Gremlins "baffles" him in regards to the instructions being very clear."Don't feed the gremlins after midnight." However, this instruction is only for caring of a Mogwai, not gremlins (the gremlins are formed by Mogwais eating after midnight). Sheldon, of all characters, would not mistake Mogwais for Gremlins and he would know the exact wording of the instructions.

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The Thespian Catalyst - S4-E14

Revealing mistake: When Sheldon goes to Penny's apartment and they do a scene study together, they both read lines from a multi-page script that Sheldon brings with him. On a couple of occasions the camera cuts to a side view of Sheldon and we get to see the page of the script that he's currently reading from. The pages are completely blank.

The Pork Chop Indeterminacy - S1-E15

Character mistake: Through the whole episode, Missy's accent is sometimes completely missing in scenes and then stronger and more noticeable in others.

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The Bad Fish Paradigm - S2-E1

Factual error: At the very beginning of the episode Leonard says "So you see what you're eating is not technically yogurt because it doesn't have enough live active acidophilus cultures." He is implying this is a scientific fact (he's not just giving his opinion on yogurt.) But to meet the U.S. standards for yogurt, only the starter cultures Lactobacillus bulgaricus and Streptococcus thermophilus are required, not Lactobacillus acidophilus. The presence or absence of L. acidophilus does NOT determine a food's identity as yogurt (which Leonard's line is implying). (00:00:05)

acemutou

The Extract Obliteration - S6-E6

Stephen Hawking: Do you like brain teasers?
Sheldon Cooper: Oh, I love brain teasers.
Stephen Hawking: What do Sheldon Cooper and a black hole have in common? They both suck. Neener, neener.

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The Holographic Excitation - S6-E5

Trivia: In this episode, Sheldon and Amy are trying to decide on couples' themed Halloween costumes. Sheldon is standing in front of the dry erase board. There are 2 columns written on the board. One named "Couples I Like" and the other "Couples You Like." Under the "Couples You Like" column, one of the couples is Blossom and Joey. Blossom is the name of the television character played by Mayim Bialik in the 90s and Joey was one of her brothers.

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