Supernatural’s “Frontierland” is a humorous TV western for the ages! April 17, 2011 News Click here to read a review of this week's Supernatural episode, Frontierland. SPOILERS 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