Mega Shark vs. Giant Octopus
"Winner... Eats... All!"
On the California coast, two ancient predators rise from the deep and set out to claim the sea. One is a colossal shark with teeth like serrated knives, the other a towering octopus whose tentacles sweep the water with alarming speed. As towns evacuate and boats vanish, a small cadre of... Read more
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Streaming availability last verified: January 20, 2026
About Mega Shark vs. Giant Octopus
On the California coast, two ancient predators rise from the deep and set out to claim the sea. One is a colossal shark with teeth like serrated knives, the other a towering octopus whose tentacles sweep the water with alarming speed. As towns evacuate and boats vanish, a small cadre of scientists, military personnel, and brave locals scramble to understand where these behemoths came from and what keeps them thriving beneath the waves. The mood favors a straightforward, fast paced assault on the senses over scientific precision, delivering thunderous spills, frantic chases, and loud explosions. This is a self aware creature feature that leans into its own silliness while still offering real thrills for fans of ocean dread. The tone walks a thin line between camp and earnest disaster, never taking itself too seriously.
Directed by Jack Perez, Mega Shark vs Giant Octopus arrived in 2009 as a direct to video horror science fiction film. It stars Lorenzo Lamas, Debbie Gibson, Sean Lawlor and Vic Chao in a playful throwback to B level monster flicks.
Box office figures are minimal, with reported earnings around 722 dollars. The tiny gross underscores its status as a direct to video release and a niche curiosity rather than a mainstream commercial title.
Cultural impact is limited to die hard fans of campy monster cinema and selections in late night marathons. It shows up in conversation mostly as an example of ambitious but budget minded creature mayhem and the kind of fan service that thrives on silliness.
Reception leaned toward the negative, with critics pointing to rough effects and uneven pacing. The film does not pretend to be high art, instead leaning into spectacle and outrageous monster clashes to deliver straightforward entertainment. Its themes touch on human folly in the face of nature and the lure of unrestrained blockbuster style chaos.
Details
- Release Date
- May 19, 2009
- Runtime
- 1h 30m
- User Ratings
- 264 votes
- Type
- Movie
- Genres
- Horror, Science Fiction
- Country
- United States
- Collection
- Mega Shark Collection
- Studio
- The Asylum +1 more
- Box Office
- $722
- External Links
- View on IMDB
Official Trailer
Cast
Lorenzo Lamas
Allan Baxter
Debbie Gibson
Emma MacNeil
Sean Lawlor
Lamar Sanders
Vic Chao
Seiji Shimada
Jonathan Nation
Vince
Mark Hengst
Dick Ritchie
Michael Teh
Takeo
Chris Haley
Kenji
Dustin Harnish
Helmsman
Dean Kreyling
U.S. Sub Captain
Director: Jack Perez