Adventures of John: Winchesters

All of reality is in danger. Numerous rifts have begun to open up, bringing together various universes that were never supposed to meet. Something bad is coming. The end of everything, every universe, is coming, and I don't know how to stop it. Hopefully I find out something soon, or we are all in trouble. Previous: "Parallels" and "The Doctor, the Daleks, and the Dragon"