Point of No Return
Plot: Dean has decided to say yes to Zachariah and Michael to stop Lucifer and avoid the Apocalypse. However, Castiel brings their half-brother Adam, who is the Plan B for the angels. Zachariah lures Adam about the feelings of the Winchester brothers, forcing Dean, Sam and Castiel to fight against several angels to rescue Adam.
Watch Online Stream for Free Full Episode TV Show Supernatural S05E18