Beware the Slenderman Genre Documentaries Rating TV-14 Release Year 2017 Studio HBO Canonical Movie Beware the Slenderman Link https://play.max.com/movie/7d311e1b-d7d1-4536-a612-68dedd60835e Unique ID https://play.max.com/movie/7d311e1b-d7d1-4536-a612-68dedd60835e Languages en-US