Big Bang Scene

Big Bang Scene

You gotta love this guest-starring appearance on The Big Bang Theory: that's former sitcom star Mayim Bialik!
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Mayim Bialik on The Big Bang Theory

Mayim Bialik on The Big Bang Theory

This is a scene from the 5/17/10 episode of The Big Bang Theory. Yes, that's Mayim Bialik guest-starring in the sitcom.
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Judy Greer on Big Bang Theory

Judy Greer on Big Bang Theory

Judy Greer guest starred on The Big Bang Theory as Dr. Plimpton, a famous physicist that Sheldon invites to spend the weekend at the place.
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Back from Disney Land

Back from Disney Land

Penny returns Sheldon to Leonard after their trip to Disney Land. The couple is sharing custody over the nerd.
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Leonard and Leslie

Leonard and Leslie

Sara Gilbert is seen here on The Big Bang Theory. She plays the character of Leslie.
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In Drag

In Drag

This is a photo from the episode "The Wheaton Recurrence." There's really not much to say about it, is there?
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Wil Wheaton Bowling

Wil Wheaton Bowling

A picture after Wil Wheaton just bowled as Sheldon prepares to counter.
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Penny and Leonard Bowling

Penny and Leonard Bowling

Penny and Leonard go bowling and Leoanrd sure does seem to be celebrating something.
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Wheaton Calls Out Sheldon

Wheaton Calls Out Sheldon

Wil Wheaton calls out Sheldon as the two of them meet in the bowling alley.
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The Wesley Crushers

The Wesley Crushers

Sheldon has a shirt made that says "The Wesley Crushers" for his bowl off with Wil Wheaton. Get it? No? Wheaton played Wesley on Star Trek.
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Sheldon Vs Wheaton

Sheldon Vs Wheaton

Sheldon goes up against Wil Wheaton in the ultimate bowl off between rivals.
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Penny Bowling

Penny Bowling

Poor Penny attempts to go bowling as Raj and Wolowitz watch on and drool.
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TBBT Quotes

Penny: Hey, Sheldon, did you change your Wi-Fi password again?
Sheldon: Yes, it's "Penny, get your own Wi-Fi." No spaces.

It's very simple. Scissors cuts paper, paper covers rock, rock crushes lizard, lizard poisons Spock, Spock smashes scissors, scissors decapitates lizard, lizard eats paper, paper disproves Spock, Spock vaporizes rock, and, as it always has, rock crushes scissors

Sheldon