I really liked this ep. I liked that Dean kicked some ass. It feels like he hasn't been doing that much lately. And it was interesting to see a comparison between Sam and Cas' relative positions regarding regret and redemption.

Also: that parallel begs the question of the parallel between Dean and Cain. I feel like while they both sacrifice for their brothers, the similarities aren't strong enough to support the notion of Dean being a notorious bad guy. Are they? I mean, they're both notorious among demons, so there's that.

Also: I am getting antsy for ABADDONNNNNN