To enter to win, simply leave a comment with what scene from the fourth season you think best illustrates the digital excellence of high-definition Blu-ray! Two winners will be chosen at random and notified via email on September 9, so be sure to enter using a valid email address. Not a winner? SUPERNATURAL is now available on both DVD and Blu-ray on Amazon starting at only $36.99 and includes all 22 episodes, featurettes focusing on the mythology of the show, commentary on 3 key episodes, extended/unaired scenes and a gag reel.