Movies like The Neptune Factor (1973)
The best movies like The Neptune Factor (1973) are Underwater (2020), The Meg (2018) and Meg 2: The Trench (2023). If The Neptune Factor hooked you with its action and science fiction, these 30 similar films are what to watch next, and every pick says why it matches.
Quick picks
- Highest ratedMission: Impossible - The Final Reckoning (2025)7.2/10 from 3,318 votes
- NewestThe Last House (2026)Released 2026
Underwater (2020)
After an earthquake destroys their underwater station, six researchers must navigate two miles along the dangerous, unknown depths of the ocean floor to make it to safety in a race against time.
Why it matches: Recommended by TMDB viewers · both science fiction & action
Popcorn FlickMovies like thisThe Meg (2018)
A deep sea submersible pilot revisits his past fears in the Mariana Trench, and accidentally unleashes the seventy foot ancestor of the Great White Shark believed to be extinct.
Why it matches: Recommended by TMDB viewers · both action & science fiction
Popcorn FlickMovies like thisMeg 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.
Why it matches: Recommended by TMDB viewers · both action & science fiction
Popcorn FlickMovies like thisGodzilla (2014)
Ford Brody, a Navy bomb expert, has just reunited with his family in San Francisco when he is forced to go to Japan to help his estranged father, Joe. Soon, both men are swept up in an escalating crisis when an ancient alpha predator arises from the sea to combat malevolent adversaries that threaten the survival of humanity. The creatures leave colossal destruction in their wake, as they make their way toward their final battleground: San Francisco.
Why it matches: Recommended by TMDB viewers · both action & science fiction
Popcorn FlickMovies like this65 (2023)
65 million years ago, the only 2 survivors of a spaceship from Somaris that crash-landed on Earth, must fend off dinosaurs to reach the escape vessel in time before an imminent asteroid strike threatens to destroy the planet.
Why it matches: Recommended by TMDB viewers · both action & science fiction
SnoozefestMovies like thisThe Black Hole (1979)
The explorer craft USS Palomino is returning to Earth after a fruitless 18-month search for extra-terrestrial life when the crew comes upon a supposedly lost ship, the USS Cygnus, hovering near a black hole. The ship is controlled by Dr. Hans Reinhardt and his monstrous robot companion, but the initial wonderment and awe the Palomino crew feel for the ship and its resistance to the power of the black hole turn to horror as they uncover Reinhardt's plans.
Why it matches: Recommended by TMDB viewers · both science fiction & action
SnoozefestMovies like thisGodzilla: King of the Monsters (2019)
Follows the heroic efforts of the crypto-zoological agency Monarch as its members face off against a battery of god-sized monsters, including the mighty Godzilla, who collides with Mothra, Rodan, and his ultimate nemesis, the three-headed King Ghidorah. When these ancient super-species, thought to be mere myths, rise again, they all vie for supremacy, leaving humanity's very existence hanging in the balance.
Why it matches: Recommended by TMDB viewers · both science fiction & action
Popcorn FlickMovies like thisBattle: Los Angeles (2011)
When once distant UFOs become a terrifying threat and an alien invasion force begins attacking Earths major costal and riverside cities, a U.S Marine staff sergeant and his team are sent into battle only to find they must take it upon themselves to defeat an unknown enemy and protect what remains of Los Angeles.
Why it matches: Recommended by TMDB viewers · both science fiction & action
SnoozefestMovies like this20,000 Leagues Under the Sea (1954)
A ship sent to investigate a wave of mysterious sinkings encounters the advanced submarine, the Nautilus, commanded by Captain Nemo.
Why it matches: Recommended by TMDB viewers · both science fiction
Worth the HypeMovies like thisGray Lady Down (1978)
The USS Neptune, a nuclear submarine, is sunk off the coast of Connecticut after a collision with a Norwegian cargo ship. The navy must attempt a potentially dangerous rescue in the hope of saving the lives of the crew.
Why it matches: Recommended by TMDB viewers · both action
Popcorn FlickMovies like thisCreature from the Black Lagoon (1954)
When scientists exploring the Amazon River stumble on a “missing link” connecting humans and fish, they plan to capture it for later study. But the Creature has plans of his own, and has set his sights on the lead scientist's beautiful fiancée, Kay.
Why it matches: Recommended by TMDB viewers · both science fiction
Popcorn FlickMovies like thisThe Last House (2026)
A family suddenly sealed inside their home must work together to survive against dwindling resources and the ominous threat keeping them trapped.
Why it matches: Recommended by TMDB viewers · both science fiction
Popcorn FlickMovies like thisAtlantis: The Lost Empire (2001)
A young linguist named Milo Thatch joins an intrepid group of explorers to find the mysterious lost continent of Atlantis.
Why it matches: Recommended by TMDB viewers · both science fiction
Worth the HypeMovies like thisHell and High Water (1954)
A privately-financed scientist and his colleagues hire an ex-Navy officer to conduct an Alaskan submarine expedition in order to prevent a Red Chinese anti-American plot that may lead to World War III. Mixes deviously plotted schoolboy fiction with submarine spectacle and cold war heroics.
Why it matches: Recommended by TMDB viewers · both action
Popcorn FlickMovies like thisWaterworld (1995)
In a futuristic world where the polar ice caps have melted and made Earth a liquid planet, a beautiful barmaid rescues a mutant seafarer from a floating island prison. They escape, along with her young charge, Enola, and sail off aboard his ship. But the trio soon becomes the target of a menacing pirate who covets the map to 'Dryland'—which is tattooed on Enola's back.
Why it matches: Recommended by TMDB viewers · both action
Popcorn FlickMovies like thisThis Island Earth (1955)
Aliens have landed and are hiding on Earth, but need Earth’s scientists to help them fight an inter-planetary war.
Why it matches: Recommended by TMDB viewers · both science fiction
Popcorn FlickMovies like thisMission: Impossible - The Final Reckoning (2025)
Ethan Hunt and team continue their search for the terrifying AI known as the Entity — which has infiltrated intelligence networks all over the globe — with the world's governments and a mysterious ghost from Hunt's past on their trail. Joined by new allies and armed with the means to shut the Entity down for good, Hunt is in a race against time to prevent the world as we know it from changing forever.
Why it matches: Recommended by TMDB viewers · both action
Worth the HypeMovies like thisKong: Skull Island (2017)
Explore the mysterious and dangerous home of the king of the apes as a team of explorers ventures deep inside the treacherous, primordial island.
Why it matches: Recommended by TMDB viewers · both action
Popcorn FlickMovies like thisIsland of Lost Souls (1932)
An obsessed scientist conducts profane experiments in evolution, eventually establishing himself as the self-styled demigod to a race of mutated, half-human abominations.
Why it matches: Recommended by TMDB viewers · both science fiction
Popcorn FlickMovies like thisIt! The Terror from Beyond Space (1958)
The first manned expedition to Mars is invaded by an unknown life form, which stows away on the rescue ship.
Why it matches: Recommended by TMDB viewers · both science fiction
SnoozefestMovies like thisResident Evil: Apocalypse (2004)
As the city is locked down under quarantine, Alice finds out that the people that died from the previous incident at the Umbrella Corporation have turned into zombies. She then joins a small band of elite soldiers, who are enlisted to rescue the missing daughter of the creator of the mutating T-virus. Once lack of luck and resources happen, they begin to wage an exhilarating battle to survive and escape before the Umbrella Corporation erases its experiment from the face of the earth.
Why it matches: Similar story and style · both action & science fiction
Popcorn FlickMovies like thisPacific Rim: Uprising (2018)
It has been ten years since The Battle of the Breach and the oceans are still, but restless. Vindicated by the victory at the Breach, the Jaeger program has evolved into the most powerful global defense force in human history. The PPDC now calls upon the best and brightest to rise up and become the next generation of heroes when the Kaiju threat returns.
Why it matches: Similar story and style · both action & science fiction
Popcorn FlickMovies like thisMonster High 2 (2023)
As they enter sophomore year at Monster High, Clawdeen Wolf, Draculaura and Frankie Stein face new students, new powers, and an even bigger threat that could not only tear their friendship apart but could change the world forever.
Why it matches: Similar story and style · both science fiction & action
Popcorn FlickMovies like thisGodzilla 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.
Why it matches: Similar story and style · both action & science fiction
Popcorn FlickMovies like thisTitan A.E. (2000)
A young man finds out that he holds the key to restoring hope and ensuring survival for the human race, while an alien species called the Drej are bent on mankind's destruction.
Why it matches: Similar story and style · both science fiction & action
Popcorn FlickMovies like thisBabylon A.D. (2008)
A veteran-turned-mercenary is hired to take a young woman with a secret from post-apocalyptic Eastern Europe to New York City.
Why it matches: Similar story and style · both action & science fiction
SnoozefestMovies like thisThe Host (2006)
A teenage girl is captured by a giant mutated squid-like creature that appears from Seoul's Han River after toxic waste was dumped in it, prompting her family into a frantic search for her.
Why it matches: Similar story and style · both science fiction
Worth the HypeMovies like thisAlaska - Foxes (1964)
Captain Jim Leslie, a US Air Force pilot, is transferred to a remote Alaskan base not far from the Soviet border. Here he meets his old friend Harris again and falls in love with Brenda, the commander's daughter. He then comes into conflict with her fiancé, Senator Gordon Gray. At his instigation, he is sent on a dangerous mission with Harris and the navigator Hester: During a storm, the buoys deployed to locate Soviet submarines must be checked. During the emergency landing on an ice floe, Harris suffers a life-threatening injury. They are in Soviet territory, but in view of the situation Jim disregards the radio ban and sends a distress signal. A Soviet submarine appears, Harris is operated on and they are helped to get the plane ready for take-off. Arriving at the base, Jim is arrested. Brenda turns her back on him.
Why it matches: Similar story and style · both action
Backdraft (1991)
Two feuding siblings carrying on a heroic family tradition as Chicago firefighters. But when a puzzling series of arson attacks is reported, they are forced to set aside their differences to solve the mystery surrounding these crimes.
Why it matches: Similar story and style · both action
Popcorn FlickMovies like thisFrankenstein (1910)
Frankenstein, a young medical student, trying to create the perfect human being, instead creates a misshapen monster. Made ill by what he has done, Frankenstein is comforted by his fiancée; but on his wedding night he is visited by the monster.
Why it matches: Similar story and style · both science fiction
Popcorn FlickMovies like this
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Frequently asked questions
What are the best movies like The Neptune Factor?
The closest matches to The Neptune Factor are Underwater (2020), The Meg (2018) and Meg 2: The Trench (2023). Below are 27 more, each with the reason it matches.
What should I watch after The Neptune Factor?
Start with Underwater (2020), the closest match to The Neptune Factor.
What is the highest-rated movie like The Neptune Factor?
Mission: Impossible - The Final Reckoning (2025), rated 7.2/10 by 3,318 TMDB users.
What is the newest movie like The Neptune Factor?
The Last House (2026) is the most recent release on this list.
Are there English movies like The Neptune Factor?
Yes: Underwater (2020), The Meg (2018) and Meg 2: The Trench (2023).
How are movies similar to The Neptune Factor chosen?
First come films that Trakt’s viewers watch alongside The Neptune Factor, then TMDB’s recommendations and films it rates as similar in story and genre. Each pick says which signal put it there.