No official description or photos have been released for the next episode of Supernatural, meaning it's still something of a mystery. However, the following promo (which some fans believe contains footage from both episodes 16 AND 17) does reveal the return of fan favourite character, Castiel! Check it out below and be sure to sound off with your thoughts in the usual place.
"Out With The Old" will air when
Supernatural returns to the CW on March 9th.
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