Cliffhangers
1979
Cliffhangers is an American drama television series that aired on NBC from February 27 to May 1, 1979. It attempted to revive the genre of movie serials in a television format. Each hour-long episode was divided into three 20-minute segments: a mystery, Stop Susan Williams; a science fiction/Western hybrid, The Secret Empire; and a horror story, The Curse of Dracula. imdb.com