The Castiel you knew is gone.
No line better sums up the main storyline ahead on Supernatural, which returns this Friday with new episodes.
Titled "Meet the New Boss," the installment will allow fans to kiss their Cass goodbye, as Castiel, in his role as God, warns his former friends to stay out of his way. Elsewhere, Death makes an appearance and Sam struggles to deal with the broken wall in his head. Check out the first sneak peek at the episode now:
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