Leonard: Hi. I'm Leonard. You are beautiful. You pop, sparkle and buzz electric. I'm going to pick you up at eight, show you a night you will never forget.
Raj: Where are we going?

You actually want to deceive your father with some sort of sham, playacting and kissing? Because I'm good with that.

Way to hit'em with both barrels.

Sheldon: Checkmate.
Leonard: Argh, again?
Sheldon: Obviously you're not well-suited for three-dimensional chess. Perhaps three-dimensional Candyland would be your speed

Leonard: Hang on. Why do we have to hate it?
Penny: Three words. Dr. Who Convention.

Leonard: You're my woman. I'm going to make you feel things you have never felt before.
Priya: Leonard
Leonard: That's right, say my name and beg me for more because I'm going to give it to you.
Priya: My parents are here.
Priya's father: Hello, Leonard, if I may also say your name.

It had weaponized fruit and a puppet. What more do you want?

Leonard: Can we talk?
Penny: We can, but the part of "Penny" might get cut.

Leonard: I'm gonna show you what's in the box, but just ... promise not to flip out.
Sheldon: Why would I flip out? Is it a spider? It's a spider.
Penny: No, if it was a spider, Lenny would've flipped out.

Leonard [referring to Sheldon singing]: What got into him?
Penny: Oh, just a couple virgin Cuba Libres that turned out to be kinda slutty

Penny: Let's get married?
Leonard: What?
Penny: Leonard Hofstadter, will you marry me?
Leonard: Um....
Penny: Did you seriously just say "Umm..."?

Leonard: 'Sup
Sheldon: 'Sup

TBBT Quotes

Stephen Hawking: You made an arithmetic mistake on page two. It was quite a boner.
Sheldon: No, no ... that can't be right. I-I don't make arithmetic mistakes.
Stephen Hawking: Are you saying I do?
Sheldon: Oh, no, no, no, of course not. It's just, I was thinking.... Oh, gosh, golly, I made a boo-boo and I gave it to Stephen Hawking.
Stephen Hawking: Great, another fainter.

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.