The Big Bang Theory: Watch Season 7 Episode 7 Online

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We found ourselves asking a question after the latest installment of The Big Bang Theory:

Why is Leonard friends with Shelon?

That inquiry was actually posed to Leonard on "The Proton Displacement," a half hour that featured Sheldon's childhood idol, Dr. Jeffries, along with Bill Nye the Science Guy.

Did you somehow miss The Big Bang Theory Season 7 Episode 7? Catch up now by clicking on this photo:

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.

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The Big Bang Theory Season 7 Episode 7 Quotes

Sheldon: No, go ahead, say it. I know what it is. I've heard it my whole life. The word's "annoying." Go ahead, say it. Say it. Say I'm annoying.
Amy: Sheldon...
Sheldon: Oh, it won't hurt my feelings. Go ahead, Amy, say I'm annoying. I'm annoying. I'm annoying. I'm annoying.

Dr. Jeffries: Hold on. You ... you have a girlfriend?
Amy: Hey look -- we're wearing the same orthopedic shoes. I can't believe I dress like a celebrity.
Dr. Jeffries: O-Okay, I get it now.