The search for a way to defeat Chuck leads to unlikely allies on Supernatural. "Our Father, Who Aren't in Heaven" is the eighth episode of the show's 15th season.
Sam and Dean investigate the death of a girl and a disappearance of another on Supernatural. "Atomic Monsters" is the fourth episode of the show's 15th season.
All the souls in Hell have been released on the season premiere of Supernatural. "Back and to the Future" is the first episode of the show's 15th season.
Sam, Castiel, and Dean investigate a string of deaths with biblical elements on Supernatural. "Jack In The Box" is the 19th episode of the show's 14th season.
Sam and Castiel track down a Shaman who may be able to help a friend on Supernatural. "Unhuman Nature" is the seventh episode of the show's 14th season.
Why do they call this place The Empty? It's full. It's full of sorrow and despair playing over and over again of angels and demons dreaming about their regrets. Forever.