Supernatural on TV Guide’s Must Watch Finales List April 24, 2012 News Supernatural is on TV Guide’s Must Watch Finales list. Click here for more information. 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