Boldly go, Howard Wolowitz.

Sheldon

Bernadette: I love that man.
Raj: Me too.

Howard's mother: Speak up!
Howard: From now on she's the only woman who can yell at me!

Would you like some aloe vera? You just got burned.

Sheldon

Bernadette's father: Here ya go.
Bernadette: Here ya go? What am I? A football?
Bernadette's father: Like that guy could catch a football.

Howard: There's fuel leaking and we're still gonna go?
Cosmonaut: Don't lose your Fruit Loops, Fruit Loops.

Sheldon: I'll do it provided I can perform the service in Klingon.
Bernadette: No.
Sheldon: What do you see in her?

Oh my gosh. I can't believe my maid of honor dress will be on Google Earth.

Amy

Sheldon: He asked her during coitus.
Howard: Did he get down on one knee or were you already there?

Leonard: Come on, Sheldon. It will be fun.
Sheldon: That's what you said about the Green Lantern movie. You were 114 minutes of wrong.

No! When I eat Fruit Loops the other astronauts make fun of me.

Howard

Actually, Fruit Loops just got married ... to a girl.

Cosmonaut

The Big Bang Theory Season 5 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.

Tell her her eyes shimmer like opalescent lilies in the lake of the palace of the celestial maidens.

Raj