Season 1 : No, sir. Not before everything. Look, we’ve still got the Colt. We still have the one bullet left. We just have to start over, alright? I mean, we already found the demon.....
Season 2 : We got work to do
Season 3 : SAM!
Season 4 : Dean, he's coming...
Season 5 : No doubt -- endings are hard. But then again... nothing ever really ends, does it?
Season 6 : I'm glad you made it, Sam. But the angel blade won't work, because I'm not an angel anymore. I'm your new God. A better one. So you will bow down and profess your love unto me, your Lord. Or I shall destroy you.
Season 7 : Cas!
Season 8 : Angels... They're falling
“You seriously think that? Because none of it, none of it, is true. Listen man, I know we’ve had our disagreements okay. Hell I know I’ve said some junk that’s set you back on your heels but Sammy, come on. I killed Benny to save you. I’m ready to let this bastard and all the sons-of-bitches that killed mom walk because of you. So don’t you dare think that there is anything, past or present, that I would put in front of you. It has never been like that. Ever. I need you to see that. I’m begging you.”
You can tell the exact moment when realization washes over him and then hE TURNS TO SEE CAS