The guys battle over how to construct a message for NASA on The Big Bang Theory. "The Communication Deterioration" is the 21st episode of the show's eighth season.
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Look who's back on The Big Bang Theory! Yup, Wil Wheaton makes another appearance in this scene.
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Sheldon faces a relationship crossroad with Amy when they build a blanket fort on The Big Bang Theory. "The Fortification Implementation" is the 20th episode of the show's eighth season.
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Here is a look at Sheldon in an unusual outfit. It's a photo from The Big Bang Theory episode "The Skywalker Incursion."
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Raj and Amy offer to settle an argument with a game of ping pong on The Big Bang Theory. "The Skywalker Incursion" is the 16th episode of the show's eighth season.
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Hey, what you working on? Sheldon sneaks a peek in this scene from The Big Bang Theory.
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The gang gets together for a family dinner in honor of Mrs. Wolowitz on The Big Bang Theory. "The Leftover Thermalization" is the 18th episode of the show's eighth season.
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Amy finds out that Sheldon applied for a one-way trip to Mars on The Big Bang Therapy. "The Colonization Application" is the 17th episode of the show's eighth season.
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Penny and Sheldon design an experiment made to get the participants to fall in love on The Big Bang Theory.
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Leonard and Raj run into a restaurant customer who looks just like Nathan Fillion. "The Comic Book Store Regeneration" is the 15th episode of the show's eighth season.
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The girls remember some of their most embarassing moments on The Big Bang Theory. "The Troll Manifestation" is the 14th episode of the show's eighth season.
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Sheldon asks his friends to challenge him in order to make a scientific breakgthrough on The Big Band Theory.
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TBBT Quotes

I just gave you my virginity, woman. Cool your jets!

Sheldon

(Singing) Thor and Dr Jones, Thor and Dr. Jones. One plays with lightening, the other plays with bones.

Howard and Raj