Leonard: Excuse me, my friend is having an allergic reaction to peanuts.
Althea: No, he's not.
Leonard: Yes he is.
Althea: Look, sir, we are very busy here and I just don't ... (Sees Howard's heavily swollen face) holy crap!

Althea: What is this?
Howard: It's a robot arm.
Althea: Where's the rest of the robot?
Howard: I only built the arm.
Althea: Because that's all you needed, right?

Leonard: Is this the high-IQ sperm bank?
Althea: If you have to ask, maybe you shouldn't be here.

Althea: Fill these out.
Leonard: Thank you. We'll be right back.
Althea: Oh, take your time. I'll just finish my crossword puzzle. Oh wait.

Howard: Try telling him it's a non-optional social convention.
Penny: What?
Howard: Just do it!
Penny: It's a non-optional social convention.
Sheldon: Oh, fair enough.
Howard: He came with a manual.

Sheldon: What computer do you have? And please don't say a white one.

Store Clerk: Excuse me, Sir, you don't work here.
Sheldon: Yes, well apparently neither does anyone else.