Raj: I haven't had a drink since last night.
Penny: You're talking to me.
Raj: I am. And, now I'm crying for a whole different reason.

What is wrong with me? Why can't I ever have love? I'm unlovable.

Raj

Penny: I love you.
Leonard: I love you, too.

It did not kill me when you went to space. Monkeys went to space.

Sheldon

And, space beats water.

Howard

If you wear something brown and sit on the couch, they won't even know you're there.

Raj

Penny: Oh gosh, Sheldon, the genius, is jealous of Leonard.
Sheldon: I'm not jealous. I'm just very unhappy that good things are happening for him and not happening for me.

Excuse me, but I'm a neurobiologist. I think I'm a little more qualified to understand what's not working in your girlfriend's brain!

Amy

Raj: Okay, I have a request to make.
Amy: And now he can talk. I want to cut open your brain and see what the heck is going on in there.

Bernadette: You know, one of the things that helped me get through Howard being in space for so long was getting married before he left.
Penny: Bernadette, sweetie, shut up.

Leonard, you're being selfish. We need to give you a proper send-off so we'll have closure when you die at sea and crabs eat your face.

Sheldon

Penny: Oh, I don't know. Remember what happened when I took care of your goldfish?
Leonard: Well, flush Sheldon down the toilet and get me a new one.

The Big Bang Theory Season 6 Episode 24 Quotes

Who do you think would win in a fight -- you or a shark?

Sheldon

Leonard: I know what you are doing. You don't want me going on this research trip because you're afraid to be alone.
Sheldon: I'm not afraid to be alone. On the sea, it would be terrifying. Because of all the drowning.