Supernatural marathon on TNT starts October 27 October 22, 2012 News TNT will be showing a 24 hr Supernatural marathon starting at noon on October 27. SOURCE 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