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They made a monster movie so bad, the monster barely shows up. Iconic.
TMDB
36
IMDb
27
Rotten Tomatoes
12
Audience Score
13
Google
64
Watch

Monstroid (1980)

so-bad-it's-goodlow-budget chaos70s eco-horror

Overview

HorrorScience 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.

Flag of USUS
Content warning
monsterbased on true storywater pollutionlake monster
environmental destructioncorporate negligencelocal vs. outsider conflict

Standout Aspects

Practical Effects

The 'monster' is basically a pool noodle with teeth. Respect.

Acting

John Carradine collects a paycheck while visibly regretting life choices.

Best for:Friends: Mystery Science Theater-style roast with people who love terrible movies.·Background: Perfect for folding laundry while occasionally looking up confused.·Rewatch: Only if you're studying how NOT to make a monster movie.
Heads up:Violence: Mostly off-screen deaths; more implied than shown.
K

Director

Kenneth Hartford

ReleasedJul 11, 1980
Runtime1h 38m
StatusReleased

Vibe

Paceslow
Intensitylow
Tonemixed
Feellight
Academy International

Top Cast

James Mitchum

James Mitchum

Travis

John Carradine

John Carradine

Priest

Philip Carey

Philip Carey

Barnes

Anthony Eisley

Anthony Eisley

Pete

Aldo Sambrell

Aldo Sambrell

María Rubio

María Rubio

Ask about Monstroid

Opens AI chat

Deep Dive

Trivia, insights & behind the scenes

Trivia

The film was shot in Colombia with a mostly American cast who reportedly never interacted due to budget constraints. Carradine filmed his priest scenes in California.

Cultural

The 1971 'real event' was likely the Lake Tellico 'Pig Dragon' hoax—basically a marketing stunt for a Tennessee town that somehow became this movie's 'inspired by true events' tagline.

YouTube

MONSTROID (1980) (Theatrical Trailer)

MONSTROID (1980) (Theatrical Trailer)

Gallery

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