What, is this a weird gift? Amy really doesn't see anything wrong with is.
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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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They're back together! All seems right in the world when Penny is dating Leonard, don't you agree?
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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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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 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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TBBT Quotes

Sheldon: Is anyone else troubled by the Spider-Man theme song?
Leonard: Why would it trouble you? It's like your third favorite cartoon theme song.
Sheldon: It is, right behind [Sheldon sings "Inspector Gadget" and "Teenage Mutant Ninja Turtles" theme songs]
Sheldon: However, the Spider-Man lyrics posit that Spider-Man's Spider-Man does whatever a spider can.
Howard: Yeah, so?
Sheldon: I can think of many things that Spider-Man can't do that a spider can. One crawl in your ear and die, two legally leave Guatemala without a passport, and three have sex with a spider.

I was expecting applause but I suppose stunned silence is equally appropriate.

Sheldon