Awkward Date

Awkward Date

Sheldon requires a chaperon on his first date when season four of The Big Bang Theory kicks off. Penny is chosen for the job.
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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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A Trapped Sheldon

A Trapped Sheldon

Penny and Leonard come outside to see Sheldon trapped by a net from the security system they installed.
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Leonard and Penny Argue

Leonard and Penny Argue

As usual, Leonard and Penny get into an argument. This time? About psychics.
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Decorating The Tree

Decorating The Tree

Sheldon helps decorate the tree and wants to add the bust of Sir Isaac Newton, which he argues is more Christmasy than Jesus.
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Penny and Beverly Drink

Penny and Beverly Drink

Penny and Leonard's mom, Beverly (Christine Baranski) go for some shots of tequila at the Cheesecake Factory.
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Sheldon Teaches Penny

Sheldon Teaches Penny

Penny comes to Sheldon for help to better understand Leonard's work and here he is training her.
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Sheldon Helps Penny

Sheldon Helps Penny

We love any scene involving Sheldon and Penny together and here he is taking her to the hospital when she's injured.
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Sheldon and Injured Penny

Sheldon and Injured Penny

With Leonard gone, Sheldon helps an injured Penny. She looks a little loopy here.
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Picking Up Sheldon

Picking Up Sheldon

Leonard and Penny act as parents as they go to pick up Sheldon from the comic book store.
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Sheldon Visits Penny

Sheldon Visits Penny

Sheldon comes to visit Penny at work at the Cheesecake Factory to try and convince her to apologize to Leonard to stop the fighting.
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Penny and Leonard Play Cards

Penny and Leonard Play Cards

Penny joins the nerds in a friendly game of cards. Here's a cute picture of her smiling as Leonard look at her.
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TBBT Quotes

Given that St. Valentine was a 3rd century Roman priest who was stoned and beheaded, wouldn't a more appropriate celebration of the evening be taking one's steady gal to witness a brutal murder?

Sheldon

Sheldon: Why are you crying?
Penny: Because I'm stupid!
Sheldon: Well that's no reason to cry; one cries because one is sad. For example, I cry because others are stupid and it makes me sad.