Ratings for Supernatural’s ‘There Will Be Blood’ May 12, 2012 News Supernatural matched last week’s 0.7 rating and 1.680 million viewers. Source: TVBytheNumbers 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