Dean Winchester: Well, he puts the "ass" in "Cass," huh?
Sam Winchester: He's definitely off.
Dean Winchester: Off? He hasn't been right since he got back from purgatory. We still don't know how he got out of there.
Sam Winchester: I don't know, Dean. If he's so sketchy, then why were you praying to him?
Castiel: You know, I can hear you both. I am a celestial being.