Movies Similar to Mega Shark vs. Giant Octopus

Jaws(1975)

When the seaside community of Amity finds itself under attack by a dangerous great white shark, the town's chief of police, a young marine biologist, and a grizzled hunter embark on a desperate quest to destroy the beast before it strikes again.

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Jaws 2(1978)

Police chief Brody must protect the citizens of Amity after a second monstrous shark begins terrorizing the waters.

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Jaws: The Revenge(1987)

After another deadly shark attack, Ellen Brody decides she has had enough of New England's Amity Island and moves to the Caribbean to join her son, Michael, and his family. But a great white shark has followed her there, hungry for more lives.

4.1

Gappa, the Triphibian Monster(1967)

An expedition in the South Pacific lands on a tropical island where the natives worship the mysterious deity Gappa. An earthquake opens up an underground cavern and a baby reptile is discovered inside. The natives warn the foreigners to leave the hatching alone, but they don't listen and take it back to a zoo in Japan. Soon after, moma and papa Gappa start smashing Tokyo looking for their kidnapped child.

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The Mist(2007)

After a violent storm, a dense cloud of mist envelops a small Maine town, trapping David Drayton and his five-year-old son in a local grocery store with other local residents. They soon discover that the mist conceals deadly horrors that threaten their lives, and worse, their sanity.

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Flash Gordon(1936)

Disaster seems imminent when scientists discover that the planet Mongo is about to crash into Earth. Luckily, heroic young Flash Gordon is on hand to lead an investigative mission into outer space and onto the speedily approaching planet. There, he and his best girl, Dale, who is along for the ride, learn that Ming, the devious ruler of Mongo, has purposely put the planet on a collision course with Earth, and only Flash can stop him.

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Open Water 2: Adrift(2006)

A weekend cruise on a luxurious party yacht goes horribly wrong for a group of old high-school friends when they get stuck in the water many miles from shore and a happy reunion turns into a fight for survival.

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Them!(1954)

As a result of nuclear testing, gigantic, ferocious mutant ants appear in the American desert southwest, and a father-daughter team of entomologists join forces with the state police officer who first discovers their existence, an FBI agent and, eventually, the US Army to eradicate the menace, before it spreads across the continent — and the world.

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Evolution(2001)

A comedy that follows the chaos that ensues when a meteor hits the Earth carrying alien life forms that give new meaning to the term "survival of the fittest." David Duchovny, Orlando Jones, Seann William Scott, and Julianne Moore are the only people standing between the aliens and world domination... which could be bad news for the Earth.

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The Angry Red Planet(1959)

The first manned flight to Mars returns after having been out of communications since it had arrived on Mars. What would it reveal?

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Cloverfield(2008)

Five young New Yorkers throw their friend a going-away party the night that a monster the size of a skyscraper descends upon the city. Told from the point of view of their video camera, the film is a document of their attempt to survive the most surreal, horrifying event of their lives.

6.7

Zombie Flesh Eaters(1979)

On the Caribbean island of Matul, white doctor David Menard is trying to stem the tide of cannibal zombies that are returning from the dead. Arriving on the island are Anne and reporter Peter West who are looking for Anne's missing father. The pair soon find themselves under attack from the zombies.

6.7

Godzilla vs. Mechagodzilla II(1993)

The U.N.G.C.C. (United Nations Godzilla Countermeasure Center) recovers the remains of Mecha-King Ghidorah and construct Mechagodzilla as a countermeasure against Godzilla. Meanwhile, a giant egg is discovered along with a new monster called Rodan. The egg is soon found to be none other than an infant Godzillasaurus.

7.3

Frenzied(1990)

Scientists do an investigation on sharks as they believe they can cure deadly diseases.

3.6

Sharks of the Corn(2021)

Strange things are happening in Druid Hills, Kentucky, known mainly for its voluminous corn output. Victims of monsters in cornfields begin cropping up, and witnesses are saying there are large Great White sharks swimming in the corn stalks.

2.3

Meg 2: The Trench(2023)

An exploratory dive into the deepest depths of the ocean of a daring research team spirals into chaos when a malevolent mining operation threatens their mission and forces them into a high-stakes battle for survival.

6.4

Varan(1958)

When a rare species of butterfly is found in a mysterious valley in Japan, a pair of entomologists go to investigate and find more. They discover Varan, a giant monster, who decides to leave the valley and head straight for Tokyo.

5.7

Godzilla 2000: Millennium(1999)

An independent group of researchers called the Godzilla Prediction Network (GPN) actively track Godzilla as he makes landfall in Nemuro. Matters are further complicated when a giant meteor is discovered in the Ibaragi Prefecture. The mysterious rock begins to levitate as it's true intentions for the world and Godzilla are revealed.

7.0

Dagon(2001)

A boating accident off the coast of Spain sends Paul and his girlfriend Barbara to the decrepit fishing village of Imboca. As night falls, people start to disappear and things not quite human start to appear. Paul is pursued by the entire town. Running for his life, he uncovers Imboca's secret..they worship Dagon, a monstrous god of the sea...and Dagon's unholy offspring are on the loose...

6.1

Something in the Water(2024)

After lesbian couple Meg and Kayla split following a traumatic homophobic incident, their three friends are intent on mending the rift during the wedding of Lizzie at a paradise resort. But a pre-wedding boat excursion turns to disaster and the wedding breakfast is likely to be the five girls!

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