Supernatural is a US drama-horror/supernatural television series that follows the life of the Winchester brothers’ “demon hunting” activities. Stars Jared Padalecki as Sam Winchester and Jensen Ackles as Dean Winchester. Other characters / casts that are part of this show are Misha Collins as the angel Castiel. Jim Beaver as Bobby Singer and Mark Sheppard as Crowley. Currently the TV series got a total of 10 seasons already.