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

You can't ruin a friendship with sex that's like trying to ruin ice cream with chocolate sprinkles.

Raj

I'm telling you dude there's a seat on the Hogwart's Express with your name on it.

Raj