सूपरनॅचुरल Promo Teases Castiel's Vital Secret 

www.cbr.com -BY SAM STONE -Ahead of the final battle against Chuck, Supernatural's Castiel hints that he has kept a major secret from Sam and Dean Winchester all along.
कीवर्ड्स: सूपरनॅचुरल, promo, teases, castiel, vital secret, season 15