Silence of the Lambs to campy slashers like The Babysitter to psychological thrillers like Gerald's Game, there are so many heart-pounding horrors to choose from. Why not clear your schedule, log into your Netflix account, and set up your very own horror movie marathon? But if you aren't sure what terrifying film to watch, TV Guide combed through Netflix's extensive library of horror titles to find the absolute best scary movies you can watch on the service right now.