||Enter to win Supernatural: The Complete Thirteenth Season on Blu-ray(TM)! Ten (10) will win! Own Supernatural: The Complete Thirteenth Season on Digital today. Blu-ray(TM) and DVD September 4th! Includes over 3 hours of bonus features including The Making of Scoobynatural! Last season, the Winchesters were reunited with their long-dead mother, and joined forces with the British Men of Letters. In Season 13, Sam and Dean find themselves facing a creature of almost unimaginable power - one that could save the world…or destroy it. twitter.com/WBHomeEnt * #Supernautral © 2017 Warner Bros. Entertainment Inc.