I have seen a theory on Dean's dizzy spell that is probably WAY too clever for these writers, and based on the almost certainly useless hope that it isn't Michael. The basic idea is 1) Michael is creating new monsters, that don't always act like monsters used to. 2) Shape shifters are monsters who need the person they are imitating to alive and can partly channel the memories of the person they are pretending to be. 3) Dean isn't Dean, but is a shifter that has been enhanced by Michael and probably doesn't even KNOW he's not Dean. The dizzy spells are Dean trying to break through Michael's control and upsetting the shifer/Dean bond.Sadly, I think it's just Michael, but the other theory is more interesting iMHO.

My very silly question is how does Sergei get the idea that Cas can commit Sam and Dean to owing him. Yes, Sam and Dean wanted him to come, but as far as I'm concerned, Cas can only commit himself to owing Sergei a favor.

Anyway, hated the Dean being the bestest thing ever for Jack. Hated the downgrade of Sam's role. I'm not happy about Cas being downgraded as well, but since his big attachment was pre-birth, I'm less concerned. There are too many people who get all concerned about the unborn and then once they are born, don't care as much. I know this isn't Cas' case, I mean he couldn't help dying, again, but it still makes Sam, who took care of Jack from day one as primary parent.