Howard and Bernadette are seen here during a scene fromThe Big Bang Theory. The photo is courtesy of the episode "The Herb Garden Germination."
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Sheldon and Amy are all about spreading gossip in this photo. It's from the episode "The Herb Garden Germination."
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The men have a mission on the episode "The Zarnecki Incursion." They must find the person who hacked into Sheldon's online game account.
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Can Leonard be friends with Penny while dating Priya? It might be a challenge.
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Gotta love this Big Bang Theory scene. It's courtesy of "The Toast Derivation."
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Kunal Nayyar stars as Raj on The Big Bang Theory. He cracks us up each week on that CBS smash.
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You're looking at a scene from "The Benefactor Factor." It was the 2/10/11 episode of The Big Bang Theory.
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You're looking at a photo from "The Cohabitation Formulation." Raj's sister returns during the episode.
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TBBT Quotes

Penny: Here's a question-- as an alien pretending to be human, are you planning to engage in any post-prom mating rituals with Amy?
Sheldon: There are post-prom mating rituals?
Penny: Not always. Unless your date drives a van with an air mattress, then always.
Sheldon: Well, if it's part of the prom experience, then I'm open to it.
Penny: You're kidding.
Sheldon: I may be an alien, but I have urges.If Amy wants to copulate by firing her eggs into space, well, then, I will happily catch them with the reproductive sac on my upper flermin. I'm not the best at reading facial cues, but I can see that you're a little turned on.

Raj: Well, to paraphrase Shakespeare: It's better to have loved and lost than to stay home every night and download increasingly shameful pornography.
Penny: Oh... you poor baby.
Raj: What's wrong with me, Penny?
Penny: Nothing, nothing. You know, if we weren't friends - and you hadn't brought up that creepy pornography story - I'd be on you like the speed of light squared on matter to make energy.
Raj: Hey, you totally got that right. E = MC squared.
Penny: I listen. I have no idea what it means, but I listen.