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Monstroid
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You can watch Monstroid (1980) for free on Plex, rent on FlixFling, or buy on FlixFling.
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.
Monstroid is a film that explores themes of monster, based on true story, water pollution. It also touches on lake monster.
Trailer
Directors
Kenneth Hartford, Herbert L. Strock
Cast
James Mitchum, John Carradine, Philip Carey, Anthony Eisley, Andrea Hartford, Glen Hartford, Coral Kassel, Hanna Landy, Aldo Sambrell, María Rubio
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Monstroid
You can watch Monstroid (1980) for free on Plex, rent on FlixFling, or buy on FlixFling.
IMDb
3.3/10
RT Critics
81%
Directors
Kenneth Hartford, Herbert L. Strock
Cast
James Mitchum, John Carradine, Philip Carey, Anthony Eisley, Andrea Hartford, Glen Hartford, Coral Kassel, Hanna Landy, Aldo Sambrell, María Rubio
7 options ranked by value · 🇺🇸 United States
Keep browsing: New Releases · Popular Movies · Horror · Science Fiction
monster · based on true story · water pollution · lake monster
Watch Monstroid for free on Plex. Watch Monstroid for free on Plex Channel. Watch Monstroid for free on Fawesome. Monstroid is streaming on FlixFling. Monstroid is streaming on IndiePix Unlimited Amazon Channel. Rent Monstroid on FlixFling. Buy Monstroid on FlixFling. Availability last verified May 6, 2026.