Really, Penny?!? Amy has the question you'd expect her to have in this scene from the season five premiere.
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Johnny Galecki contemplates a difficult question here. The actor was a popular presence at Comic-Con.
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Kaley Cuocoo speaks to a crowd at Comic-Con in this photo. We were lucky enough to also sit in on a round table discussion with the actress.
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The cast of The Big Bang Theory gathers here for a photo at Comic-Con. They were incredibly nice to us at the event.
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A picture of Bill Prady, one of the creators slash producers from The Big Bang Theory. He spoke with TV Fanatic at the 2011 Comic Con Press Panel.
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A picture of Simon Helberg and Kunal Nayyar from the 2011 Comic Con Press Panel for The Big Bang Theory.
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A picture of the beautiful Kaley Cuoco at the 2011 Comic Con Press Panel for The Big Bang Theory.
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Don't look for Leonard and Priya to slow down on season five. Not even 7,500 miles can end their relationship!
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TBBT Quotes

Sheldon: Are you still mad about the sperm bank?
Leonard: No!
Sheldon: Do you want to hear an interesting thing about stairs?
Leonard: Not really.
Sheldon: If the height of a single step is off by as little as two millimeters most people will trip.
Leonard: I don't care—two millimeters?! That doesn't seem right.
Sheldon: No, it's true! I did a series of experiments when I was twelve; my father broke his clavicle.

Penny, there's only one cookie with something in the middle that solves life's problems, and that's an Oreo. Or a Nutter Butter, if you're in a pinch.

Sheldon