Richard Hanney has a rude awakening when a glamorous female spy falls into his bed - with a knife in her back. Having a bit of trouble explaining it all to Scotland Yard, he heads for the hills of Scotland to try to clear his name by locating the spy ring known as The 39 Steps.

HBOh NO!!  A list of the 25 best horror movies now streaming on Max, including "The Blob," "The Shining," "I Saw the TV Glow," "Midsommar," "Scanners," and more.

These spooktacular movie recommendations are guaranteed to freak you out! Welcome to WatchMojo, and today we’re counting down our picks for the spooky movies that are essential Halloween viewing — whether you’re watching through your fingers or gleefully taking it all in.

It’s Halloween and what better way to get into the spirit of the season than by watching some of cinema’s scariest movies. But as creepy as it might seem, did you know that some of Hollywood’s most famous frighteners are actually based on true stories?