A research team finds a mysterious cylinder in a deserted church. If opened, it could mean the end of the world.
Unfortunately, Prince of Darkness is not available in the the United States on any of the streaming services.
You can buy or rent Prince of Darkness on the following streaming services in the the United States: Vudu, iTunes, Microsoft, Google Play and Amazon.
Prince of Darkness was released 37 years ago in 1987.
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