On Supernatural Season 14 Episode 8 – “Byzantium”, when Sam and Dean join forces with an unexpected ally, the outcome alters the course of two lives; Heaven faces an attack from a dark force, driving Castiel to make an enormous sacrifice to make things right. You can watch the full episode below.
About the show:
This haunting series follows the thrilling yet terrifying journeys of Sam and Dean Winchester, two brothers who face an increasingly sinister landscape as they hunt monsters. After losing their mother to a supernatural force, the brothers were raised by their father as soldiers who track mysterious and demonic creatures. Violent memories and relationship-threatening secrets add additional burdens on Sam and Dean as they investigate all things that go bump in the night. As old tricks and tools are rendered useless and friends betray them, the brothers must rely on each other as they encounter new enemies.