The Darker Side of Terror
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.
Top cast
Below are the streaming services currently carrying the movie “The Darker Side of Terror” in the United Kingdom, along with how each offers it (subscription, buy, or rent) and a direct link. Licensing differs by market, so availability in the United Kingdom can differ from other countries.
Where to watch The Darker Side of Terror in United Kingdom
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Not currently available on the supported providers in United Kingdom.
Availability can change as licenses rotate — confirm on the provider’s page before subscribing. Last checked: 21 Sept 2026.