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Where to stream

Monstroid

3.619801h 38mRMovieHorrorScience Fiction

A rural Colombian village is attacked by a horrible sea serpent, aroused by industrial pollution of a nearby lake. Based on a real event that took place in June of 1971.

DirectorsKenneth Hartford·Herbert L. Strock
WritersKenneth Hartford·Walter Roeber Schmidt
ProducersKenneth Hartford·Garland Scott

Where to watch

Tubi TVTubi TVPlexPlex
Availability shown for United Kingdom · rights vary by country

Cast · Directed by Kenneth Hartford

JMJames Mitchum
James Mitchum
Travis
JCJohn Carradine
John Carradine
Priest
PCPhilip Carey
Philip Carey
Barnes
AEAnthony Eisley
Anthony Eisley
Pete
AH
Andrea Hartford
Andrea
GH
Glen Hartford
Glen
CK
Coral Kassel
Girl in Lake
HL
Hanna Landy
Mrs. Byrd
ASAldo Sambrell
Aldo Sambrell
MRMaría Rubio
María Rubio
CM
Carolyn Martin
LS
Luis Suárez

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Monstroid — streaming FAQ

Which OTT platform streams Monstroid?

Monstroid is streaming on Tubi TV and Plex in United Kingdom. It's not currently on Netflix.

Is Monstroid on Netflix?

No, Monstroid is not on Netflix in United Kingdom as of August 2026. It's currently on Tubi TV and Plex.

Is Monstroid on Amazon Prime Video?

No, Monstroid isn't on Amazon Prime Video in United Kingdom right now. It's on Tubi TV and Plex instead.

Where can I watch Monstroid for free?

Monstroid is available to stream free (with ads) on Tubi TV and Plex in United Kingdom.

Is Monstroid based on a true story?

Yes — Monstroid is based on true events, dramatising real people and events (some details may be fictionalised for the screen).