Howard: Well, you know World of Warcraft?
Penny: Um, the online game? Sure.
Howard: Well, did you know that the characters in the game can have sex with each other?
Penny: Oh, God. I think I see where this is going.
Howard: Her name was Glacinda the Troll. Bernadette walked in on me while we were doing the cyber-nasty under the Bridge of Souls.
Penny: Oh, you're right. That is so embarrassing.
Howard: Would you talk to her?
Penny: Bernadette or the troll?

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

Penny: I mean, who even reads Scientific American?
Leonard: It's kind of a big deal.
Penny: If it's such a big deal, how come the biggest celebrity they could get for the cover is a molecule?

Howard: I'm not signing a prenup.
Penny: All right, Howard Wolowitz, listen up! You sign anything she puts in front of you, because you are the luckiest man alive. If you let her go, there is no way you can find anyone else. Speaking on behalf of all women, it is not going to happen, we had a meeting.

Leonard: Sometimes your movements are so lifelike I forget you are not a real boy.

Raj: Oh, you're so arrogant. If you were a super hero your name would be Captain Arrogant. And do you know what your super power would be? Arrogance.

Sheldon: Oh, Penny. Penny.
Penny: What's up?
Sheldon: Nothing. I just wanted to make Raj stop talking.