Sheldon: Arthur! I thought you were dead.it's fantastic.
Arthur: I am. Oh, it-it's fantastic. I mean this is the longest that I've gone without running into a men's room in-in years.

Sheldon: When Darth Vader struck down Obi-Wan, did Luke cry like a baby and go to his funeral?
Penny: No. He blew up the Death Star. Why do I know this?!

Sheldon: Amy, mourning the inevitable is a complete waste of time.
Amy: And watching a bunch of goody space movies you've seen hundreds of times isn't?
Sheldon: If we were in a physical relationship, you just lost sex tonight.

Professor Proton is dead?

You know what this is? Yeah, and I reserve this word for those rare instances when it's truly deserved. This is malarkey!

Oh! That's a lot of incense. Or someone set a hippie on fire.

Penny, there's only one cookie with something in the middle that solves life's problems, and that's an Oreo. Or a Nutter Butter, if you're in a pinch.

Penny: Hey, I don't understand why you're not upset with Amy.
Sheldon: I am. So much so that I'm gonna bring her here for dinner on our next date night.

But to be fair, when you talk, most of what you say sounds like, "Wah, wah, wah, clothes".

Sheldon: I don't understand my food. Chinese noodles with Korean barbecue ... in a taco.
Penny: It's fusion.
Sheldon: Well, my mother would lock her car doors if she had to drive through this hodgepodge of ethnicity.

Amy and Bernadette. Amy and Bernadette. Amy and Bernadette. Why did you lie to us?!

Sheldon: So, we're just randomly choosing a restaurant without researching it online?
Penny: Yep.
Sheldon: Great. You know, this is how Anything Can Happen Thursday turns into It Won't Stop Coming Up Friday.

TBBT Quotes

Oh, Bernadette, please play my clarinet.

Raj's poem

Sheldon: I'll have a diet Coke.
Penny: Can you please order a cocktail? I need to practice mixing drinks.
Sheldon: Fine... I'll have a virgin Cuba Libre.
Penny: That's... rum and Coke without the rum.
Sheldon: Yes, and would you make it diet?