When fans and scholars look back on the horror films of the forties, several studios immediately come to mind. Universal, of course, normally heads the list since it was the undisputed home of horror, with a fear franchise that included the likes of "Frankenstein," "Dracula," "The Wolf Man," "The Invisible Man," and "The Mummy." But there exists another body of work in the same genre that has remained generally unavailable for TV viewing for over...