Movies Like Encounters in the Deep

If you liked Encounters in the Deep (1979), a science fiction movie directed by Tonino Ricci, here are 20 movies with a similar feel, based on TMDB's recommendations. Each one links to its cast, trailer and where it's streaming.

1
The Abyss (1989)
★ 7.4/10Also science fiction
A civilian oil rig crew is recruited to conduct a search and rescue effort when a nuclear submarine mysteriously sinks. One diver soon finds himself on a spectacular odyssey 25,000 feet below the ocean's surface where…
2
Sphere (1998)
★ 6.1/10Also science fiction
A spacecraft is discovered at the bottom of the Pacific Ocean, presumed to be at least 300 years old and of alien origin. A crack team of scientists and experts is assembled and taken to the ocean floor to investigate…
3
Deep Blue Sea (1999)
★ 6/10Also science fiction
Researchers on the undersea lab Aquatica have genetically altered the brains of captive sharks to develop a cure for Alzheimer's disease. But there's an unexpected side effect: the sharks got smarter, faster, and more…
4
Forbidden Planet (1956)
★ 7.3/10Also science fiction
Starship C57D travels to planet Altair 4 in search of the crew of spaceship "Bellerophon," a scientific expedition that has been missing for twenty years. They find themselves unwelcome by the expedition's lone…
5
Splinter (2008)
★ 6.2/10Also science fiction
When their plans for a nature trip go awry, Polly and boyfriend Seth decide to check into a motel. On their way, they're carjacked and kidnapped by low-rent crooks Dennis and Lacey, who take the victims and their SUV…
6
Occupation: Rainfall (2020)
★ 6.2/10Also science fiction
Two years into an intergalactic invasion of Earth, survivors in Sydney, Australia, fight back in a desperate ground war. As casualties mount by the day, the resistance and their unexpected allies, uncover a plot that…
7
Die Alone (2024)
★ 6.4/10Also science fiction
Lost in a world reclaimed by nature and overrun by mysterious creatures, Ethan, a young man with amnesia navigates the dangerous landscape in search of his lost love Emma. His journey takes an unexpected turn when he…
8
AVP: Alien vs. Predator (2004)
★ 6/10Also science fiction
When scientists discover something near Antarctica that appears to be a buried Pyramid, they send a research team out to investigate. Little do they know that they are about to step into a hunting ground where Aliens…
9
The Hidden (1987)
★ 6.9/10Also science fiction
When average, law-abiding citizens suddenly turn to a life of hedonistic behavior and violent crime, Detective Tom Beck is tasked with helping young FBI agent Lloyd Gallagher determine the cause.
10
Invasion of the Body Snatchers (1978)
★ 7.2/10Also science fiction
The residents of San Francisco are becoming drone-like shadows of their former selves, and as the phenomenon spreads, two Department of Health workers uncover the horrifying truth.
11
Monsters of Man (2020)
★ 6.4/10Also science fiction
A robotics company vying to win a lucrative military contract team up with a corrupt CIA agent to conduct an illegal live field test. They deploy four weaponized prototype robots into a suspected drug manufacturing…
12
The X-Files: I Want to Believe (2008)
★ 5.9/10Also science fiction
Mulder and Scully are called back to duty by the FBI when a former priest claims to be receiving psychic visions pertaining to a kidnapped agent.
13
Predator 2 (1990)
★ 6.3/10Also science fiction
A police chief in the war-torn streets of Los Angeles discovers that an extraterrestrial creature is hunting down residents - and that he is the next target.
14
The Resurrected (1991)
★ 6.2/10Also science fiction
Charles Dexter Ward, a wealthy scientist, uses an ancient diary and human remains to begin a terrifying and bloody pursuit for immortality.
15
Alien: Romulus (2024)
★ 7.2/10Also science fiction
While scavenging the deep ends of a derelict space station, a group of young space colonizers come face to face with the most terrifying life form in the universe.
16
Crimes of the Future (2022)
★ 6/10Also science fiction
With his partner Caprice, celebrity performance artist Saul Tenser publicly showcases the metamorphosis of his organs in avant-garde performances. An investigator from the National Organ Registry obsessively tracks…
17
Lifeforce (1985)
★ 6.2/10Also science fiction
A race of space vampires arrives in London and infects the populace, commencing an apocalyptic descent into chaos.
18
Tau (2018)
★ 6.1/10Also science fiction
Held captive in a futuristic smart house, a woman hopes to escape by befriending the A.I. program that controls the house.
19
Prometheus (2012)
★ 6.6/10Also science fiction
A team of explorers discover a clue to the origins of mankind on Earth, leading them on a journey to the darkest corners of the universe. There, they must fight a terrifying battle to save the future of the human race.
20
Psycho Goreman (2020)
★ 6/10Also science fiction
Siblings Mimi and Luke unwittingly resurrect an ancient alien overlord. Using a magical amulet, they force the monster to obey their childish whims, and accidentally attract a rogues’ gallery of intergalactic assassins…