Movie

Poseidon Rex

“Half Dinosaur, Half Sea Monster, All Trouble”

★ 4.0(62)20141h 16m

Poseidon Rex is available to rent or buy on CosmoGo in Canada. It isn't on a subscription streaming service there yet. Availability checked 13 June 2026.

Where to watch Poseidon Rex

🇨🇦 Canada

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Good to know

Director: Mark L. Lester
Release date: 2014-04-18
Runtime: 1h 16m
Language: English
Status: Released
Country: United States of America
Studio: Titan Global Entertainment

Poseidon Rex — trailer

About Poseidon Rex

Poseidon Rex is a 2014 movie in the Action, Science Fiction and Horror genres, directed by Mark L. Lester, starring Brian Krause, Anne McDaniels and Steven Helmkamp. It has a runtime of 1 hour 16 minutes. It holds an average rating of 4.0/10 from 62 viewers. Below you can see where to watch Poseidon Rex in Canada — across streaming, rental and purchase options — along with the full cast, trailer and viewer reviews.

Synopsis

Jackson Slate, famous treasure hunter, is out to find the legendary Lost Gold Of Cortez in the open waters off a secluded island in the Caribbean Sea. Using dynamite to blast his way through centuries of silt, new chasms are created reaching miles below the ancient ocean floor. From here, an ancient evil is released, that quickly, savagely, and without warning, destroys Jackson s boat and kills his crew. The sole survivor of the carnage, Jackson teams up with marine biologist, Sarah, to venture back to the site and investigate the horrific events. They extract an egg from the darkest depths of the ocean and take it back to the lab to investigate. But when it hatches, they realise they have awaken a deadly prehistoric monster, the P-Rex, which will stop at nothing until the entire island is destroyed...