On this week's episode of Supernatural...
Castiel ponders his actions over the past year.
He returned to Heaven and told the Angels that they could be free. Raphael ordered Castiel's allegiance or death.
The deal between Castiel and Crowley was to split the souls in Purgatory. Crowley stays King of Hell and Castiel gains more power to fight Raphael and prevent the reignition of the apocalypse.
Meanwhile in present time, Sam and Dean draw closer to finding Crowley. Unfortunately, they learn that Castiel has made a deal with him and refuses to stop his search for more souls.
Castiel calls out to God to show him a sign but is met with silence.