Howard: I remember when I was five, hiding under this desk with all my Halloween candy. Had some Peanut M&Ms, went into my first anaphylactic shock and had to be rushed to the hospital. Came home, celebrated with a Snickers, went into my second anaphylactic shock.
Raj: When did you figure out you were allergic to nuts?
Howard: Sometime around the third Almond Joy.

Howard: You know, I'm really glad you decided to learn Mandarin.
Sheldon: Why?
Howard: Once you're fluent, you'll have a billion more people to annoy instead of me.

Howard: So you can never take it (the sweater) off?
Leonard: No.
Raj: Not even to sleep?
Leonard: No.
Howard: So you're just an idiot?
Leonard: It's called proving a point.
Howard: Is the point you're an idiot?

Bernadette: Maybe we should get one of those machines to help her up the stairs.
Howard: You mean a fork lift?

Mrs. Wolowitz: Howard, help, my hand's stuck in the garbage disposal.
Howard: Let go of whatever piece of food you're holding.
Mrs. Wolowitz: Are you kidding? It's a perfectly good chicken leg.

Amy: And action.
Wil Wheaton: And cut! You realize I'm doing this for free, right?
Amy: Yes, and so far we're still not getting our money's worth.

Wil Wheaton: Problem, first time director?