Big Bang Couple

They're back together! All seems right in the world when Penny is dating Leonard, don't you agree?
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Fun with Flags

Amy lends her assistance to Sheldon in this scene. The guy needs help with a new project.
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A Romantic Evening

It's a romantic evening for two on the 100th episode of The Big Bang Theory. We're very jealous of Leonard.
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The Big Bang Theory Boys

The men of The Big Bang Theory do their thing in this shot from the sitcom. It's courtesy of the episode "The Shiny Trinket Maneuver."
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The Big Bang Theory Trio

Leonard needs some advice in this Big Bang Theory scene. He has come face to face with his high school bully.
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A New Man for Amy?

This is awkward for Sheldon, as Amy gets asked out by Stuart right in front of him.
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Just the Two of Us

Can Leonard and Penny hang out alone? That's their goal in this Big Bang Theory scene.
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Amy in Action

Amy is unhappy on the episode "The Isolation Permutation." That's because she is left out of wedding dress shopping.
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Laurie Metcalf on The Big Bang Theory

Laurie Metcalf is seen here as Sheldon's mom. She is rather popular within the group.
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A Good Scare

Yikes! Sheldon reacts to the scariest balloon ever in this Big Bang Theory still.
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Party with Wil Wheaton

Wil Wheaton is back! And he's hosting a party at his house here.
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The Men of The Big Bang Theory

The boys are concerned about Raj here, but all we be okay. He meets a girl he can actually talk to on "The Wiggly Finger Catalyst."
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The Big Bang Theory Season 5 Quotes

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

I feel like two totally different people. Dr. Jekyyl and Mrs. Whore.

Penny