There are certain horror movies for which the unholy scenarios that play out on-screen are matched by the unnerving legends spawned by fateful production accidents or subsequent misfortunes that befell cast and crew. This Shudder documentary series looks at five such films-"The Exorcist," "The Omen," "Poltergeist," "The Crow," and "Twilight Zone-The Movie"-and features the perspectives of creators and fans concerning the eerie mythology that each has spawned. 138 min. Widescreen; Soundtrack: English.