Penny: Hey, sorry this took so long. But you used to work here, you know how it is.
Bernadette: Kitchen slammed again?
Penny: No, I'm a terrible waitress, remember?

Penny: At one point, they had me figure out how to get a banana out of a puzzle box.
Leonard: Wait, Sheldon gave me a banana in a box. He was testing me, too.
Penny: Unbelievable.
Leonard: And how could a chimp even solve that? That was impossible.
Penny: Really? You couldn't get it out?

Leonard: If I take it off, Sheldon wins.
Penny: Sweetie, every night you don't kill him in his sleep, he wins.

Sheldon: Woman, you are playing with forces beyond your ken.
Penny: Yeah, well your Ken can kiss my Barbie.

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.

Wil Wheaton: Problem, first time director?

Sheldon: Amy deserves better. You know, when we buy the Planter's deluxe mix, she eats all the Brazil nuts so I don't have to look at them. She's a unique blend of saint and squirrel.