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Near a remote town, the repeated dumping of toxic waste causes an underground cave dweller to mutate into a hideous monster. A construction team that is digging a tunnel accidentally disturb the creature's habitat causing it to attack.
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Availability by JustWatch · All options on TMDB












| Platform | Score | Points |
|---|---|---|
| IMDb200 votes | 4.8 | 4 pts |
| Rotten Tomatoes | not available | skipped |
| Metacritic | not available | skipped |
| Letterboxd | not available | skipped |
Scores from IMDb. Updated weekly.
200 votes across 1 platformUnderground Monster (2023) has a Lantern Score of 4.8, from IMDb 4.8. Watch it free with ads in the US on The Roku Channel.