Supernatural

Season 8, Episode 23

Episode Title: Sacrifice

Air Date: 2013-05-15

Overview:

With Crowley poised to undo all the good they’ve ever done as hunters, Sam and Dean find themselves cornered. But with Kevin's help, the Winchesters ready themselves for one last play against the King of Hell. Metatron initiates a plan with Castiel to take on Naomi and the bureaucracy of Heaven.