The Halloween That Almost Wasn't (1979)
VHS cover. The Halloween That Almost Wasn't is a 1979 telefilm which aired regularly on the Disney Channel until the late 1990s. It revolves around Dracula (Judd Hirsch) trying to save Halloween from the Witch (Mariette Hartley) who threatens it. It won an Emmy Award for "Outstanding Individual Achievement - Children's Program" and was nominated for three others. On VHS releases, it was retitled The Night Dracula Saved the World. It premiered on ABC and was shot at Lyndhurst in Tarrytown, New York.
More at Wikipedia.