Supernatural Showrunner Switcheroo! Jeremy Carver Returns to Step In for Sera Gamble April 5, 2012 News Click here for TV Guide’s article about Sera Gamble stepping down and Jeremy Carver stepping in. 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