Kevin Smith: So, Penny, listen, I saw your movie.
Penny: Oh, wow. I wish it was better.
Wil Wheaton: Oh, don't worry about it. Have you seen some of Kevin's films?
Kevin Smith: You're cruisin' for a beatin', Wheaton.

Josh: So, I have to ask, was the robot sexy?
Howard: It was actually just a mechanical hand.
Josh: 'Cause that's all you need, right?
Howard: You are my brother.

Sheldon: It reminds me of when my stupid brother and sister would build forts in the living room, and wouldn't let me in. I hated that so much.
Amy: You know, there's nothing I can do about getting you invited to the symposium, but if you wanted we could build a fort.
Sheldon: Isn't that a little juvenile?
Amy: More juvenile than this? *Puts up picture of smiling Sheldon to her face*

Howard: Hey, I threw out the first pitch at an Angels game.
Josh: Wow.
Bernadette: He did it with a robot.
Josh: You had sex with a robot?
Howard: That's not what she meant.
Raj: But technically, yes.