Amy dresses up in a Star Trek outfit and plays doctor. Sheldon says he doesn't like it, but tells her to keep at it.
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Leonard and Sheldon are all dressed up for Howard and Bernadette's wedding on The Big Bang Theory. "The Countdown Reflection" is the 24th episode and season finale of the show's 5th season.
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Howard finds out he must reschedule his wedding on this episode of The Big Band Theory. "The Launch Acceleration" is the 23rd installment of the show's 5th season.
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Bernadette reconsiders getting married when she and the girls see Howard's sexual history posted online on The Big Bang Theory. "The Stag Convergence" is the 22nd installment of the show's 5th season.
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Sheldon can now die happy. On this episode of The Big Bang Theory, he meets Stephen Hawking!
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Has Raj met the future Mrs. Koothrappali? He sure thinks so in this scene from The Big Bang Theory.
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Sheldon is seen here playing video games. Instead of going to Amy's aunt's birthday party, that is.
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Whoa, what's going on here?!? The gang looks down at Sheldon's odd hairstyle in this scene from The Big Bang Theory.
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The Big Bang Theory Season 5 Quotes

Sheldon: Professor Hawking, it's an honor and a privilege to meet you, sir.
Stephen Hawking: I know.

You can't blame yourself. When your prefrontal cortex fails to make you happy promiscuity rewards you with the needed flood of dopamine. We, neurobiologists, refer to this as the skank reflex.

Amy