[ad_1] A new poster for Supernatural season 13 teases the Winchesters and Castiel facing the Dawn of Darkness. It’s rare for most shows to get even two seasons, much less three. Rarer still are the shows that maintain their audience long enough to sustain continuing into a double digit number of seasons, but that’s exactly what The CW’s Supernatural has managed to do. Supernatural is preparing to head into lucky season 13,…    read more