here is the big 100 episode
rated m
Before Dean can go to say yes to Michael, Sam and Castiel capture him and lock him in Bobby's panic room while the angels resurrect their deceased half-brotherAdam, supposedly to be Michael's new vessel. While Sam attempts to talk Adam out of it, Dean banishes Castiel and escapes; he is recaptured before the angels can find him, but Zachariah is able to get Adam. Sam releases Dean to help in the rescue mission, expressing faith in his brother while Zachariah reveals Adam's resurrection was a trap for Dean. Castiel banishes four angels and himself to let the Winchesters reach Adam before Zachariah tortures Sam and Adam to finally get Dean to say yes. Suddenly changing his mind, Dean demands that Michael kill Zachariah as his first condition before killing Zachariah himself with a hidden angel blade when the angel gets into his face. As Michael descends, the three brothers flee but Adam is trapped inside. When Dean enters the room moments later, the room holding Adam has disappeared. Dean apologizes to Sam for his decision castiel show up at the safehoue to see bella and Grace and explain everything that has happened with her brothers and what they went through and tell her that he is a human and she is shock and ask will there daughter is still half angel and said yes and they made love again