Dean: There’s only one thing that can kill him.
Sam: The blade, against Cain himself?
Dean: I’ll do what I have to do.
Crowley:(giving Dean the First Blade) Give this back when you’re done.
Cain: You can’t stop me.
Castiel: I have to try.
Dean: My turn.
Cain: Hello, Dean.
Cain:(picking up the First Blade) It’s been too long.
Narrator: Supernatural, all-new this Tuesday at 9/8 central on the CW.