On Supernatural Season 15 Episode 1 – “Back and to the Future”, Sam, Dean and Castiel are left to defend the world after all the souls in hell are released and free to kill again. 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.