seaon 6 finale
In trying to recover his lost memories, Sam remembers helping Dean and Bobby look for Ellie Visyak, who has died from her wounds while escaping from Crowley. Castiel breaks the wall in Sam's mind and Sam absorbs his memories of the time he was soulless. In the real world, Balthazar reveals Crowley's hiding place to Dean and Bobby. Dean and Bobby arrive at Crowley's hideout, but are attacked by a cloud of demons. Castiel tries to kill Crowley but discovers that he cannot. Crowley has allied with Raphael as Castiel betrayed him. Giving up Ellie's Purgatory blood, Castiel escapes. Crowley recites the spell to open Purgatory with Raphael, but nothing happens. Castiel had switched the jars of Purgatory blood, using the real one to open Purgatory and absorb every soul there. Now all powerful, Castiel proclaims himself as the new God of the world, and tells the group to bow down and profess their love unto him their Lord or he shall destroy them castiel trun bella into a angel and make his daughter grace a full angel and take them to heaven and him a bella get married while on earth dean and sam are trying to look for little sister and there niece with bobby's help
so how about that ending seasonn7 coming soon