Sheldon pushes Penny and Leonard to set a date for their wedding.
Added:
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.
Added:
Look who's back on The Big Bang Theory! Yup, Wil Wheaton makes another appearance in this scene.
Added:
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.
Added:
Hey, what you working on? Sheldon sneaks a peek in this scene from The Big Bang Theory.
Added:
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.
Added:
Sheldon and Leonard go dress shopping with Penny and Amy on The Big Bang Theory. "The Space Probe Disintegration" is the 12th episode of the show's eighth season.
Added:
Howard and Leonard must get a pigeon out of the clean room at the University on The Big Bang Theory.
Added:

TBBT Quotes

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

Sheldon: Why do you have the Chinese character for "soup" tattooed on your right buttock?
Penny: It's not "soup," it's "courage."
Sheldon: No it isn't. But I suppose it does take courage to demonstrate that kind of commitment to soup.
Penny: How'd you see it? You said you wouldn't look.
Sheldon: Sorry. As I told you, the hero always peeks.