In this week's episode, Dean Winchester will come face to face with an enemy he had long forgotten: puberty.
Still reeling from what he did to Charlie and trying to find answers to rid himself of the Mark of Cain, Dean has come up with nothing. Rather than let his brother wallow in self-pity, Sam finds a case in Oregon where a man disappeared in a flash of light.
When an old friend calls on Dean for help, Sam will see side of his brother that he never knew was there.
After a care worker is mysteriously impaled by a broken tractor, Dean gets a call from his old friend Sonny.