Across the history of horror cinema, there are those film fiends whose instant clutch upon the public imagination guaranteed sequels, reboots, and a legacy of giving jitters to generations. This docuseries from Shudder picks the brains-figuratively, of course-of creators and critics to reveal the baleful backstories behind such unholy icons as Michael Myers, Candyman, Chucky, Freddy Krueger, Jason Voorhees, and Pinhead.6 episodes on 2 discs. 4 1/4 hrs. Widescreen; Soundtrack: English.