Mega Shark vs. Giant Octopus poster

Mega Shark vs. Giant Octopus

"Winner... Eats... All!"

Movie 2009 1h 30m 3.8 /10
Directed by Jack Perez

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

Lorenzo Lamas

Allan Baxter

Debbie Gibson

Debbie Gibson

Emma MacNeil

Sean Lawlor

Sean Lawlor

Lamar Sanders

Vic Chao

Vic Chao

Seiji Shimada

Jonathan Nation

Jonathan Nation

Vince

Mark Hengst

Mark Hengst

Dick Ritchie

Michael Teh

Michael Teh

Takeo

C

Chris Haley

Kenji

D

Dustin Harnish

Helmsman

Dean Kreyling

Dean Kreyling

U.S. Sub Captain

Director: Jack Perez

Frequently Asked Questions

Mega Shark vs. Giant Octopus is not currently available on streaming subscription services, but you can rent or buy it on Amazon Video.

Yes, you can rent on Amazon Video or buy on Amazon Video.

With a rating of 3.8/10 from 264 viewers, Mega Shark vs. Giant Octopus is a mixed bag - check out reviews to see if it's right for you.

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 scientist...

Mega Shark vs. Giant Octopus stars Lorenzo Lamas, Debbie Gibson, Sean Lawlor, Vic Chao, and Jonathan Nation.

Mega Shark vs. Giant Octopus was directed by Jack Perez.

Mega Shark vs. Giant Octopus was released on May 19, 2009.

Mega Shark vs. Giant Octopus is a Horror and Science Fiction film.

No, Mega Shark vs. Giant Octopus is a fictional creature feature about two prehistoric sea monsters. It blends horror and sci-fi elements as the beasts battle off the California coast.

Yes. A sequel titled Mega Shark vs. Mecha Shark was released in 2014. It continues the Mega Shark concept with a new foe.

Lorenzo Lamas plays Allan Baxter. Allan Baxter is one of the human characters in the film.

Debbie Gibson plays Emma MacNeil. Emma MacNeil is another human character involved in the story.