Return of Wil Wheaton - The Big Bang Theory Season 8 Episode 20

Look who's back on The Big Bang Theory! Yup, Wil Wheaton makes another appearance in this scene.
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The Fort Test - The Big Bang Theory

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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The Big Bang Theory Season 8 Episode 20 Quotes

What if he's in prison? What if he's a spy? What if he's in a Beatles cover band? I'm just saying if he's got your nose and haircut, he'd make a killer Ringo.

Raj

Sheldon: I'll give you three guesses why I'm so irritated.
Howard: Something happened different from the way you wanted it.
Sheldon: I guess news travels fast.