Monstroid poster
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

FlixFlingFlixFlingIndiePix Unlimited Amazon ChannelIndiePix Unlimited Amazon ChannelFawesomeFawesomePlexPlexPlex ChannelPlex ChannelMometuMometuTubi TVTubi TV
Availability shown for United States · 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

More from James Mitchum · Lead actor

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The Last Movie
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Two-Lane Blacktop
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Colorado Territory
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1976 · 5.7
See all fromJames Mitchum

More from John Carradine · Co-star actor

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Wagon Train
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1957 · 6.6
The Rifleman
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Maverick
Maverick
1957 · 7.0
The Alfred Hitchcock Hour
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1969 · 6.2
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1955 · 5.3
The Beverly Hillbillies
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The Twilight Zone
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1959 · 8.5
See all fromJohn Carradine

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Monstroid — streaming FAQ

Which OTT platform streams Monstroid?

Monstroid is streaming on FlixFling, IndiePix Unlimited and Fawesome in United States. It's not currently on Netflix.

Is Monstroid on Netflix?

No, Monstroid is not on Netflix in United States as of September 2026. It's currently on FlixFling and IndiePix Unlimited.

Is Monstroid on Amazon Prime Video?

No, Monstroid isn't on Amazon Prime Video in United States right now. It's on FlixFling and IndiePix Unlimited instead.

Where can I watch Monstroid for free?

Monstroid is available to stream free (with ads) on Fawesome and Plex in United States.

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).