Watch The Vampire Diaries Season 6 Episode 13 Online HD FUll and Free : Prayer For the Dying There are many reasons why we’re looking forward to The Vampire Diaries Season 6 Episode 13. For starters, “Papa Kai” is visiting Mystic Falls which means sh*t’s about to get realer than real on this show. (Let’s hope he doesn’t try to burn off Stefan and Damon’s faces and/or kill his own daughter again.)