Penny: Oh, it's not so bad. You lost money, you're filled with shame, and you got groped by a stranger. That's Vegas. You nailed it.

Raj: [to Amy] If you were having Sheldon's baby, would you really want him in the room?
Penny: Yeah, if he's in the room when they're making the baby, I'll give you $10.

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

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

Sheldon: I've never played Dungeons and Dragons with girls.
Penny: It's okay, honey, no one has.

Howard: A satanic fungus that looks suspiciously like Al Pacino rises from the forest floor and says, (Imitating Al Pacino) "You're playing D&D. You're playing D&D. This whole apartment is playing D&D."

Amy: Go away. Sheldon is nibbling on my ... fourteen! Yes!