Supernatural dvds on sale at the WB Shop August 10, 2010 News The first four seasons of Supernatural on dvd are on sale for only $19.95 each at WBShop.com. 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