The Big Bang Theory Season 5 Episode 1: "The Skank Reflex Analysis" Photos

Leonard and Penny

Leonard confronts Penny in this scene from the season five premiere of The Big Bang Theory. She sure finds something funny!
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The Entire Gang!

The gang is all here. And we mean everyone! Check out this scene from the fifth season premiere of The Big Bang Theory.
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Big Bang Theory Premiere Scene

This is awkward for everyone. Raj and Penny stand in front of the boys on the fifth season premiere.
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Sheldon in Charge

Sheldon takes charge of the paintball team on the season five opener. Is this really a good idea?
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The Big Bang Theory Season 5 Premiere Photo

We all know what happened between Penny and Raj on the season four finale. Here they are on the ssason five premiere.
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Penny for Her Thoughts

Amy has so many questions for Penny on the season five premiere. They are all based on sleeping with Raj.
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Bernadette and Raj

Bernadette reacts to the news here. Yes, Raj did Penny!
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Amy vs. Penny

Really, Penny?!? Amy has the question you'd expect her to have in this scene from the season five premiere.
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The Big Bang Theory Season 5 Episode 1 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

The Big Bang Theory Season 5 Episode 1 Photos

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