Check out highlights from The Big Bang Theory Season 6 in this video. It debuted at Comic-Con 2013.
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Stephen Hawking makes a special appearance here for Comic-Con 2013. His video kicked off The Big Bang Theory panel discussion.
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Sheldon spanks Amy in this clip from The Big Bang Theory. Watch and enjoy now!
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Just call them awesome! Watch The Big Bang Theory cast and crew dance around here to "Call Me Maybe."
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The Big Bang Theory Season 6 gets underway on September 27. Check out the first promo for the premiere now.
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Wil Wheaton makes us laugh. He's seen here during his first appearance on The Big Bang Theory.
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In this scene from an episode of The Big Bang Theory, Sheldon makes one thing very clear. The guy loves his Battlestar Galactica.
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Hollywood 411 interviews Johnny Galecki, the actor behind Leonard from The Big Bang Theory. Johnny goes over how he prepared for the part and where he sees his character's relationship with Penny going. Worth a watch!
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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