He's back! Warner Bros. have revealed that Misha Collins is set to return to Supernatural in episode 17 of the current Season 7 as a guest star. In addition, he will be appearing in at least two more Season 7 episodes.

Assbutts,+beware...

No, we don't have any specifics on the how and why of Castiel coming back into Sam and Dean's lives, but there you have it… You can't keep a good, gruff-talking angel down.