Mega Shark vs. Giant Octopus (2009)

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Mega Shark Films
Mega Shark vs. Giant Octopus
Mega Shark vs. Crocosaurus
Mega Shark vs. Giant Octopus
See alternate titles
The American DVD cover for Mega Shark vs. Giant Octopus
Directed by Jack Perez
Producer(s) David Michael Latt, David Rimawi (executive)
Written by Jack Perez
Music by Chris Ridenhour
Distributor The Asylum
Rating R
Running time 88 minutes
(1 hour, 28 minutes)
Aspect ratio 1.78:1
Rate this film!
(29 votes)

Winner... Eats... All!

— Tagline

Mega Shark vs. Giant Octopus is an American giant monster film produced by The Asylum, and the first entry in the studio's Mega Shark series. It was released on DVD in the United States on May 19, 2009.


While piloting a stolen Aquanaut 3 mini-submarine off the coast of Alaska, oceanographer Emma MacNeil discovers a pod of whales before a top secret military experiment disturbs them and releases two prehistoric creatures from the ice. At her job in California, she finds an odd fragment of organic material while examining a whale carcass, contradicting the standing hypothesis that it had been injured by a ship's propeller. However, before she can investigate any further, she is fired for stealing the submarine. Shortly after, a Giant Octopus attacks a Japanese oil rig, leaving only one survivor, who is interviewed by the Japanese oceanographer Seiji Shimada. Elsewhere, Mega Shark leaps from the ocean and eats an plane passing overhead. After sneaking into the site where the whale carcass was being held, Emma extracts the fragment and contacts her former professor, Lamar Sanders. Together they come to the conclusion that it is the tooth of a Megalodon. They meet with Shimada and watch a tape from MacNeil's voyage which reveals that the Giant Octopus had escaped alongside the Megalodon. That night, they are press-ganged into helping the U.S. military eliminate the beasts.

The scientists managed to convince the military to try to capture the monsters alive, and are put to work to try to find ways to lure them into the shallows of Tokyo Bay and San Francisco Bay. While working together, MacNeil and Shimada discuss their deep-seated relationship to the ocean, which leads to them having sex and determining that they should utilize pheromones to attract the monsters. However, both attempts failed miserably, and lead to Mega Shark taking a bite out of the Golden Gate Bridge. The two creatures then flee into the Pacific Ocean, and the scientists decide to allow the monsters to fight one another to the death. They use the pheromone trick again near where the beasts were first unleashed. Leading Mega Shark through a deep sea trench, they narrowly escape unharmed. After destroying many ships and submarines, the monsters begin to grapple. The Giant Octopus loses the tips of two of his tentacles before finally grappling Mega Shark and constricting it until they both sink to the bottom of the sea, motionless.

Happily reunited, Emma and Seiji sit on the beach thinking of their future together. However, they are approached by Lamar with a file folder. They joke about the once-in-a-lifetime experience of tracking down a gigantic shark before Lamar reveals that his folder contains what he calls "another lifetime." The team runs off to pursue it.


Staff role on the left, staff member's name on the right.

  • Directed by   Jack Perez
  • Written by   Jack Perez
  • Produced by   David Michael Latt
  • Executive producing by   David Rimawi
  • Music by   Chris Ridenhour
  • Cinematography by   Alexander Yellen
  • Edited by   Marq Morrison
  • Production design by   Nino Zagaroli
  • Assistant directing by   Xavier S. Puslowski


Actor's name on the left, character played on the right.

  • Deborah Gibson   as   Dr. Emma MacNeil
  • Lorenzo Lamas   as   Allan Baxter
  • Vic Chao   as   Dr. Seiji Shimada
  • Jonathan Nation   as   Vince
  • Mark Hengst   as   Dick Ritchie
  • Michael The   as   Takeo
  • Chris Haley   as   Kenji
  • Sean Lawlor   as   Lamar Sanders
  • Dustin Harnish   as   Helmsman
  • Dean Kreyling   as   U.S. Sub Captain
  • Stephen Blackehart   as   U.S. Sub Sonar Chief
  • Dana Dimatteo   as   Marine Biologist
  • Myles Cranford   as   Deputy
  • Dana Healey   as   Naval Officer
  • John Bolen   as   Weapons Officer
  • Larry Parrish   as   Japanese Typhoon Captain
  • Aki Hiro   as   Typhoon Navigator
  • Russ Kingston   as   Admiral Scott
  • Stefanie Gernhauser   as   Sub Commander
  • Cooper Harris   as   Sonar Tech
  • Matt Lagan   as   Destroyer Captain
  • Douglas N. Hachiya   as   Destroyer Sonar Tech
  • Hunter Ives, John Gilligan   as   Destroyer Sonar Men
  • Michael Allendorf, Colin Broussard   as   Radiomen
  • Mikos Zavros   as   Navigator
  • Elijah Flores, Daniel Schachtel   as   FBI Agents
  • David Meador   as   Blackbird Pilot
  • Jay Beyers   as   Pilot, Deck Officers
  • Michael L. Parisi, Michael Drummond, Molly Drummond, Emily Lavigna, Michelle Hodnett, Silje Gruner, Joey Ruggles, Knayi Clement   as   Passengers
  • Brandon Plemons   as   Sailor
  • Conrad Lihilihi, Rebecca Helm, Chan Park, Chuck Willis, Craig Childress, Jay Cynik, Andre H. Bassett, Artem Shatokhin, Jason Covington, Alan Woods, Angela Guerrero, James Rolls, Julia Torchine, Sharon Stockbridge   as   Background



Weapons, vehicles, and races


The concept of a kaiju-sized duel between a shark and an octopus was suggested by the Japanese film distributor Albatross.[1]


Mega Shark vs. Giant Octopus was filmed in California over the course of 12 days in January 2009.[2]


The trailer for Mega Shark vs. Giant Octopus became an unexpected viral hit on and YouTube, garnering over two million views between the two sites in the several weeks before the film's release.[3] It was also the eighth most-viewed trailer on Yahoo! Movies in 2009.[4]


Main article: Mega Shark vs. Giant Octopus/Gallery.

Alternate titles

  • Mega Shark Versus Giant Octopus (American DVD and end credits)
  • Deadly Jaws Against Giant Tentacles (Smrtonosne čeljusti protiv ogromnih pipaka / Смртоносне чељусти против огромних пипака; Serbia)
  • Two Million Years Later
    • Два миллиона лет спустя; Russia
    • Два мільйони років потому; Ukraine


Mega Shark vs. Giant Octopus was panned by critics. It has a 15% rating on Rotten Tomatoes, based on 20 reviews.[5] The site's Critical Consensus reads, "With shoddy FX, acting and directing. This isn't so bad it's good. It's just so bad it's terrible."

Video releases

Asylum Home Entertainment DVD (2009)

  • Region: 1
  • Discs: 1
  • Audio: English (5.1 Surround Sound and 2.0 Stereo)
  • Subtitles: None
  • Special features: Making-of featurette (8 minutes), blooper reel (3 minutes), trailers for other Asylum films

Echo Bridge Blu-ray (2010)

  • Region: None
  • Discs: 1
  • Audio: English (DTS-HD Master Audio 2.0)
  • Subtitles: None
  • Special features: None


Main articles: Mega Shark vs. Crocosaurus, Mega Shark vs. Mecha Shark, Mega Shark vs. Kolossus.


Mega Shark vs. Giant Octopus trailer


  • When Emma is handling a vial of pheromones in the mini-sub, she remarks that the manipulator arm is made of chrome steel. Like the chrome steel chains which held King Kong in his debut film and its 2005 remake, the arm soon breaks.
  • Jack Perez named Dr. Seiji Shimada after Takashi Shimura's character in Seven Samurai.[2]


This is a list of references for Mega Shark vs. Giant Octopus. These citations are used to identify the reliable sources on which this article is based. These references appear inside articles in the form of superscript numbers, which look like this: [1]


Showing 18 comments. When commenting, please remain respectful of other users, stay on topic, and avoid role-playing and excessive punctuation. Comments which violate these guidelines may be removed by administrators.

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6 months ago
Score 0

Dear Animal sci-fi movies



8 months ago
Score 0
This film is just putting a cool discription on average animals, then having them fight. Thats not how monster movies should go.


10 months ago
Score 0
You know,this movie is made in just 12 days.I mean you can make 6 games in Gamejams and if Baldi basics(I know he was joking)tells ya something then it shows.

Astounding Beyond Belief

10 months ago
Score 1
The movie was filmed in 12 days, not made in 12 days. They still had to write the script, assemble the cast and crew, and figure out where they were shooting/build the sets beforehand, and go through post-production (editing, VFX, sound design) afterwards.


10 months ago
Score 0
Rated R for really bad movie and CGI.

Godzilla Master

8 months ago
Score 4

Indominus Rex 2016

23 months ago
Score 0
Not gonna lie, Mega Shark vs Crocosaurus is kind of a guilty pleasure of mine.

Titan of Water

26 months ago
Score 0
I LOVE crappy shark movies.

Godzilla Master

8 months ago
Score 0
Why do people like to make bad shark movies.
it's so bad that is terrible?so if this is the case,why did you admins of this wiki put this movie on the wiki?


29 months ago
Score 1 guys are kidding.

I love this. And you sacrificed yourselves to put it in.

I'm proud.


30 months ago
Score 0
glad this franchise is getting some love, it's a guilty pleasure of mine.


31 months ago
Score 0
okay wut is this? What about It Came from Beneath the Sea (1955)?

Astounding Beyond Belief

31 months ago
Score 0
Er, what about it?


31 months ago
Score 0
I don't know why that film has no page yet but this mockbuster film already has a page

Astounding Beyond Belief

31 months ago
Score 0

"Mockbuster" is inaccurate; Mega Shark vs. Giant Octopus wasn't cashing in on any Hollywood release. It is, however, a homage to the kaiju "vs." film, and was suggested by a Japanese studio besides.

It Came from Beneath the Sea hasn't been seriously discussed for inclusion on this site, as far as I'm aware. Its octopus is certainly kaiju-sized, but we try to steer clear of 50's American giant monster fare. The Beast from 20,000 Fathoms gets in because it influenced Godzilla, whereas The Giant Claw glides by on sheer strangeness.


31 months ago
Score 0
I'm glad to see this here! I think I could help a bit with other Mega Shark pages since I've watched all the films, but it was a long time ago.

Astounding Beyond Belief

31 months ago
Score 1
I would caution against writing plot summaries from memory. They should be easy enough to track down though (and Mega Shark vs. Mecha Shark is on YouTube for free for some reason).