4K Secret of Slenderman 3 (2016) online Year: 2016 Country: Russia Director:Sergey A. Stars: Sergey A., Andrey Gromov, Dmitriy Khmelyov Stars: Sergey A., Andrey Gromov, Dmitriy Khmelyov Genre: Horror / Mystery / Thriller / New Movie As the protagonist is haunted by nightmares caused by the events of first two movies, he decides to kill Slender Man to end the nightmare once and for all Watch Secret of Slenderman 3 (2016) online