Game night turns into a messy battle of the sexes on The Big Bang Theory. "Re-Entry Minimization" is the fourth episode of the show's sixth season.
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Sheldon tries to intervene when he discovers a secret about Penny and Leonard on The Big Bang Theory. "The Decoupling Fluctuation" is the second episode of the show's sixth season.
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Raj chills with Leonard and Penny on the sixth season premiere of The Big Bang Theory, titled "The Date Night Variable."
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You're looking at a photo from "The Date Night Variable." It's the first episode of The Big Bang Theory Season 6.
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Kaley Cuoco and Mayim Bialik kick back during this Big Bang Theory scene. It's courtesy of the Season 6 premiere.
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Whoa, what's going on here?!? The gang looks down at Sheldon's odd hairstyle in this scene from The Big Bang Theory.
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They're back together! All seems right in the world when Penny is dating Leonard, don't you agree?
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It's a romantic evening for two on the 100th episode of The Big Bang Theory. We're very jealous of Leonard.
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TBBT Quotes

Penny: Hey, Sheldon, did you change your Wi-Fi password again?
Sheldon: Yes, it's "Penny, get your own Wi-Fi." No spaces.

Sheldon: Why do you have the Chinese character for "soup" tattooed on your right buttock?
Penny: It's not "soup," it's "courage."
Sheldon: No it isn't. But I suppose it does take courage to demonstrate that kind of commitment to soup.
Penny: How'd you see it? You said you wouldn't look.
Sheldon: Sorry. As I told you, the hero always peeks.