Season 4 premiere photo stills August 14, 2008 News SF Universe has photo stills from Supernatural Season 4 Premiere. Spoilers alert! 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