[Sam and Dean have gone to the scene of an angel battle and find Cas impersonating an FBI agent and investigating
Cas, you know this is an angel situation, right? I mean, you left that night because angels were on your ass.
Yeah, and you were given new life, early retirement, working your way up the Gas & Sip ladder.
Well, if angels are slaughtering one another, I have to do what I can to help. It's a risk we should be willing to take. Don't you think?
[gives them both a smile
Hey, Cas is back ...