Raj: I can see my little princess while I'm at work, right?
Howard: Why can't you just watch porn like a normal guy?

If they didn't want to be yelled at by crazy nerds, they shouldn't have started a sci-fi channel.

Leonard

They can't just cancel a show like Alphas. You know? They have to help the viewers let go. Firefly did a movie to wrap things up. Buffy the Vampire Slayer continued on as a comic book. Heroes gradually lowered the quality season by season till we were grateful it ended.

Sheldon

Sheldon: Why would the Chinese make our DVR record Paul Blart: Mall Cop?
Leonard: I don't know. It's a fat guy on a Segway. That's funny everywhere.

Leonard: Oh, you do what you want, but I don't want to lose my friends over tenure. Friends are forever.
Howard [coughing]: So, is tenure.

Sheldon: Are you implying my girlfriend doesn't have any sexuality to exploit?
Raj: Yes
Sheldon: Okay, because that was not clear.

Way to hit'em with both barrels.

Leonard [to Penny]

Seriously, is that tape? Like, how are they staying up like that?

Amy

You're all wasting your time. Sheldon is the most qualified for the job, and no amount of gravity-defying bosom's going to change that.

Amy

Well, that's a fine how-do-you-do. Don't just stand there. Take your breasts out.

Sheldon [to Amy]

Leonard: You realize you might kill some of them.
Penny: Oh, then you all can get tenure.

Mrs. Davis: Roots?
Sheldon: The tragic history of slavery in America. Fun for the whole family.
Mrs. Davis: Why would you think this is an appropriate gift?
Sheldon: Umm. Well ... You are black, right?

The Big Bang Theory Season 6 Quotes

Amy: Soon my upper lip will be the same fake blonde as my beautiful best friend.
Penny: Hey, this is my natural hair color - Now.

Right now, Howard is staring down on our planet like a Jewish Greek god - "Zuesawitz".

Raj