Penny: How can I not sound like his mother when our entire bedroom is filled with Star Wars toys? I mean, have you ever had sex with a stuffed Wookiee watching you?
Dr. Gallo: I went to college in the '70s; it was a hairier time. I'm gonna say yes.

Sheldon: Perhaps I should explain. While working with Koothrappali, we discovered an asteroid, and I named it after you.
Amy: Oh, Sheldon, thank you. That's so romantic. But what about Rajesh? He was okay with you choosing the name?
Sheldon: Well, it took a little negotiating, but I wore him down. Uh, we get the asteroid, and if you and I have children, they all have to be named Rajesh.
Amy: All of them?
Sheldon: Even the girls.
Amy: Okay, I think I know what to say now.

Penny: And in double-blind studies, Placinex proved extremely effective in treating all kinds of anxiety. Actually, funny story. The boys in the lab were worried about getting FDA approval for Placinex; they started taking it, stopped worrying.

Howard: You know, once we get the house back to ourselves, we can be romantic in any room we want.
Bernadette: Great. I can finally show you where the laundry room is.