Where to stream

X: The Unknown

6.119561h 21mMovieHorrorScience FictionMystery

Army radiation experiments awaken a subterranean monster from a fissure that feeds on energy and proceeds to terrorise a remote Scottish village. An American research scientist at a nearby nuclear plant joins with a British investigator to…

DirectorLeslie Norman

WriterJimmy Sangster

ProducersAnthony Hinds·Michael Carreras

Where to watch

Mometu

Availability shown for United States · rights vary by country

Cast · Directed by Leslie Norman

Dean Jagger

Dr. Adam Royston

Leo McKern

Inspector McGill

William Lucas

Edward Chapman

John Harvey

Maj. Cartwright

Michael Ripper

Sgt. Harry Grimsdyke

Anthony Newley

LCpl. 'Spider' Webb

Ian MacNaughton

Ian MacNaughton

Peter Hammond

Kenneth Cope

Frazer Hines

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X: The Unknown — streaming FAQ

Which OTT platform streams X: The Unknown?

X: The Unknown is streaming on Mometu in United States. It's not currently on Netflix.

Is X: The Unknown on Netflix?

No, X: The Unknown is not on Netflix in United States as of August 2026. It's currently on Mometu.

Is X: The Unknown on Amazon Prime Video?

No, X: The Unknown isn't on Amazon Prime Video in United States right now. It's on Mometu instead.

Where can I watch X: The Unknown for free?

X: The Unknown is available to stream free (with ads) on Mometu in United States.