Sheldon: Point of inquiry. Given that Leonard is your secondary friend and Koothrappali is your primary friend, why didn't you seek refuge under his roof?
Howard: There's no room. His sister is staying with him.
Leonard: Wait, wait. What?
Sheldon: Cocoa, Leonard. Focus. I'm down in the dumps here.

Zack: Okay, I'm ready. I'm Zack, and I'm, uh ... oh, crap, why is this so hard?

Leonard: Hypothetically, if I had access to a lieutenant Uhura uniform, would you wear it?
Priya: Leonard, it is a source of great pain to me and my family that my brother has that outfit in his wardrobe.

Priya: It's a little weird your ex-girlfriend hanging out here all the time.
Leonard: I know. I usually never see my ex-girlfriends, unless their hard drives crash.

Sheldon: Pick a card, Sheldon. Now look at it and put it back in the deck. Now do you remember your card? Of course I do, I have an eidetic memory.

Priya: So did you get to talk to Penny?
Leonard: Oh, yes. Indeed, I did.
Priya: And?
Leonard: She completely understood everything I said. Case closed.
Priya: Was she upset?
Leonard: Maybe, but that's not my problem. She's not my girlfriend, you are.
Priya: I hope you weren't cruel to her.
Leonard: Is the autumn cruel for letting the flowers die, or is that just nature's way?

Leonard: Well, now hold on, how about this? How about we still hang out, but on the down-low?
Penny: Are you really that kind of guy?
Leonard: No. I actually felt kinda silly just saying on the down-low.

Sheldon: We did it! What? I said we.

Leonard: I can't believe we're going all the way to San Diego to confront this guy.
Howard: Yeah, we're kind of badasses, aren't we?

Sheldon: Wait a minute! You're not going to do anything?
Police Officer: Mr. Cooper, theres nothing-
Sheldon: Doctor Cooper.
Police Officer: Seriously?
Leonard: Not the kind with access to drugs.
Police Officer: Fine. Dr. Cooper. I'm sorry for your loss, but the Pasadena Police Department doesn't have jurisdiction in Pandora.
Sheldon: That's from Avatar. World of Warcraft takes place in Azeroth. Goodness gracious, how are you allowed to carry a gun?

Sheldon: Can you at least refer me to a rogue ex-cop?
Police Officer: What?
Sheldon: You know, one who was drummed off the force because he refused to play by the rules, and now he hires himself out to impose his own brand of rough justice?
Police Officer: No.

Sheldon: It's all gone. All gone.
Leonard: I'm really sorry, Sheldon.
Sheldon: What kind of world do we live in, where a man would take another man's battle ostrich?

Leonard: I'm on it. (On phone) Hi, Mrs. Wolowitz. Is, is Howard there? Okay, thanks. (To Sheldon) That particular dog of war will have to call you back after his bath.
Sheldon: See if Raj is done with Pilates.

Sheldon: Three thousand hours. Three thousand hours clicking on that mouse, collecting weapons and gold. It's almost as if it was a huge waste of time.

Raj: Hold on. I'm talking to an orc under the bridge in Thunder Bluff who says if we pay him, he'll help us track down your things.
Sheldon: Can we trust him?
Raj: I should say so, he appears to be a member of the Nigerian royal family.