Official CW synopsis for Supernatural’s ‘The Prisoner’ April 23, 2015 Updates Click here for the official synopsis for Supernatural’s May 13 episode, ‘The Prisoner.’ Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Reddit (Opens in new window) Related