Shapeshifters, Zombies and Ghosts Invade TNT with an All-Day Supernatural Marathon Airing on Halloween This Halloween, TNT is bringing fans spooks, chills and thrills with an all-day Supernatural marathon, starting at 8:00 a.m. to 8:00 p.m., spanning four seasons of the most terrifying episodes from the fan-favorite series. From hauntings to ghosts, zombies and even Bloody Mary, […]