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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Sheldon works here with Amy in the lab. This is his version of a vacation.
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Sheldon is a nice guy. But he can also be a very demanding friend toward Leonard, as evidenced here.
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Amy lends her assistance to Sheldon in this scene. The guy needs help with a new project.
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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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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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This is awkward for Sheldon, as Amy gets asked out by Stuart right in front of him.
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Laurie Metcalf is seen here as Sheldon's mom. She is rather popular within the group.
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Yikes! Sheldon reacts to the scariest balloon ever in this Big Bang Theory still.
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Wil Wheaton is back! And he's hosting a party at his house here.
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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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TBBT Quotes

Penny: What actor holds the record for being named People magazine's Sexiest Man Alive?
Sheldon: William Shatner!
Leonard: I don't think it's Shatner.
Sheldon: Then it's got to be Patrick Stewart

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