The Big Bang Theory
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Pilot - S1-E1

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

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

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

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 Panty Piñata Polarization - S2-E7

Continuity mistake: When Leonard talks to Penny about having to live with Sheldon he has his hand up to his chest. Camera swaps to a side view and his hand is not in front of his chest any more. (00:07:30)

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The Griffin Equivalency - S2-E4

Continuity mistake: When talking about wanting a griffin, the bottles and strip of paper on the table keep moving between shots. (00:16:00)

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The Griffin Equivalency - S2-E4

Continuity mistake: When Raj asks the guys who's going to the party on Saturday night, Penny's grip on the martini glass she has changes between shots. (00:10:20)

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The Barbarian Sublimation - S2-E3

Continuity mistake: When Penny explains she has bought the game, her grip on the laptop changes (00:06:50)

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The Barbarian Sublimation - S2-E3

Continuity mistake: At the start, after Penny has dropped one bag, there is an item in the top of the remaining bag. This item keeps appearing and disappearing. (00:01:20)

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The Codpiece Topology - S2-E2

Continuity mistake: When Leslie and Leonard are talking about starting a relationship again, the can of Diet Cola keeps rotating. In some shots from Leslie's point of view you can't see the logo and in others you can. (00:06:30)

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The Codpiece Topology - S2-E2

Continuity mistake: When Leonard says he is happy Penny is moving on he has nothing in his hand. Camera cuts and now he is holding a bit of bread. (00:03:00)

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The Bad Fish Paradigm - S2-E1

Continuity mistake: When Sheldon is undoing a pair of socks that Penny has paired, Penny is seen holding a single sock. Camera changes and she now has nothing in her hands. This is an instant cut. No time to drop it. (00:05:50)

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Pilot - S1-E1

Continuity mistake: Leonard walks into the doctors at the start and has a piece of paper in just his right hand. Camera cuts to a long shot and now he is holding the paper with both hands. (00:00:25)

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Pilot - S1-E1

Visible crew/equipment: When Leonard, Sheldon and Penny are eating lunch for the first time, Penny sits on Sheldon's spot, Leonard then tells him to "Just sit somewhere else." He then walks over to his desk chair and contemplates sitting there and in the bottom left of the shot there is a chair with 4 false legs, and one large leg running down the middle. (00:08:20)

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The Financial Permeability - S2-E14

Continuity mistake: When Sheldon is holding the money out to Penny, the can that is being held by Sheldon is constantly moving up and down in height in relation to his shirt. (00:04:00)

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The Killer Robot Instability - S2-E12

Continuity mistake: When Penny and Howard are arguing near the start, Penny has her arms crossed in one shot and down by her side in the next. (00:04:50)

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The Panty Piñata Polarization - S2-E7

Continuity mistake: At the start when Howard is asking about the house, the pencil in front of him keeps moving on the table. Note the point and the edge of the table. (00:02:30)

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The Cooper-Nowitzki Theorem - S2-E6

Continuity mistake: At the start as Leonard says about being able to talk to women, he puts his hand on his drink. Camera cuts and now his hand is back by the edge of the table. (00:02:50)

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The Bat Jar Conjecture - S1-E13

Continuity mistake: When Raj is talking about psychological warfare he has a fork in his hand in one shot and not in the next. (00:08:40)

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The Hamburger Postulate - S1-E5

Continuity mistake: When Sheldon is ranting about his board being changed, there is one shot where his hand is uncovered then covered by the blanket. (00:12:00)

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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.

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More mistakes in The Big Bang Theory

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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