The Darker Side of Terror (1979) is a Science Fiction, Horror, TV Movie film that follows a psychological thriller about a research biologist who, angered when an associate is given a position over him based on stolen research findings, agrees to assist his former professor in a cloning experiment in which a duplicate of himself is created -- and which then, with a mind and will of its own, falls in love with the biologist's wife. The Darker Side of Terror is not currently listed with streaming providers in your selected region, but availability can change over time. It has a user rating of 6.3 out of 10 from 3 votes. Fans of science fiction movies may also want to explore similar titles below.