The Longest-Running Genre Series in U.S. Television HistorySUPERNATURAL:THE FIFTEENTH AND FINAL SEASON On Blu-rayTM and DVD May 25, 2021 Includes Exclusive Bonus Content featuring Two All-New Featurettes, Deleted Scenes, a Gag Reel and More!   SUPERNATURAL: THE COMPLETE SERIES On Blu-rayTM and DVDFeatures All 327 Episodes and Countless Hours of Bonus Content from Every One of the 15 Seasons Plus a 68-page Collectible Book! Available Day-and-Date Twitter Pitch: The epic journey of the Winchester brothers comes to an end with the release of #Supernatural: The Complete Series from @WBHomeEnt Starring @JensenAckles and @Jarpad the  #SPNFamily can relive all 327 episodes with hours of extra content on Blu-ray & DVD May 25th. Facebook: @WarnerBrosEnt Instagram:…