Watch in the SYFY App Sign In with your TV Provider Slumber Party Massacre tv-ma A slumber party turns into a bloodbath, as a psychotic serial killer wielding a power drill disrupts the fun. All Movies
Watch in the SYFY App Sign In with your TV Provider Slumber Party Massacre tv-ma A slumber party turns into a bloodbath, as a psychotic serial killer wielding a power drill disrupts the fun. All Movies
