Dean: Okay, and why exactly would you want the Devil dead? Crowley: It's called survival. But I forgot you two are at best functioning morons. Dean: You're a functioning... morons... moron.
Lucifer: Castiel, right? Castiel. I'm told you came here in an automobile. Castiel: Yes. Lucifer: What was that like? Castiel: Um, slow. Confining. Lucifer: What a peculiar thing you are.