The Big Bang Theory Season 1 Episode 5: "The Hamburger Postulate" Photos

Leonard the Cellist

Leonard join Leslie's string quartet at the cellist. However, we all know the real reason Leslie invited Leonard to join.
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Penny the Waitress

The boys go to eat dinner at the restaurant where Penny works as a waitress and she serves the guys.
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Penny Explains to Sheldon

When Sheldon discovers a necktie on Leonard's door he runs to Penny to find out what it means. Penny explains to the clueless nerd.
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The Big Bang Theory Season 1 Episode 5 Quotes

Sheldon: Can't we just go to Big Boy? They only have one burger: the Big Boy.
Penny: The Barbecue Burger is like the Big Boy.
Sheldon: Excuse me, in a world that already includes a Big Boy, why would I settle for something that's like a Big Boy?

Sheldon: I need your help in a matter of semiotics.
Penny: What?
Sheldon: Semiotics, the study of signs and symbols as a branch of the philosophy related to linguistics.
Penny: Okay, honey, I know you think you are explaining yourself, but you're really not

The Big Bang Theory Season 1 Episode 5 Photos

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