Harbinger Down poster

If You Liked Harbinger Down, Watch These Next

Finished Harbinger Down (2015) and want more of the same? These 20 movies are what its fans watched next, ranked by how often people who liked it also liked these. Like Harbinger Down, most of them are horror, science fiction.

Everything on this page has a home release and plays right here on Rotten Brains — pick one and press play. No sign-up, and a free account only adds resume and history.

20 titles · updated 3rd October 2026

  1. Alien: Romulus poster

    1.Alien: Romulus(2024)

    7.2HorrorScience FictionAlso horror and 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.

    Watch now
  2. Osiris poster

    2.Osiris(2025)

    6.1Science FictionActionHorrorAlso science fiction and horror

    Special Forces commandos on a mission are abducted mid-operation by a mysterious spacecraft. Upon waking aboard, they find themselves prey to a relentless alien race in a fight for survival.

    Watch now
  3. Event Horizon poster

    3.Event Horizon(1997)

    6.6HorrorScience FictionMysteryAlso horror and science fiction

    In 2047, a group of astronauts are sent to investigate and salvage the starship Event Horizon which disappeared mysteriously seven years before on its maiden voyage. However, it soon becomes evident that something sinister resides in its corridors.

    Watch now
  4. Forbidden Planet poster

    4.Forbidden Planet(1956)

    7.3Science FictionAdventureAlso 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 survivor and warned of destruction by an invisible force if they don't turn back immediately.

    Watch now
  5. Extinction poster

    5.Extinction(2015)

    6.3HorrorScience FictionThrillerAlso horror and science fiction

    And suddenly, overnight, the world came to a halt. Two men, two survivors, one kid, and hatred that separates them. A place forgotten by everyone, including the creatures that inhabit the Earth... until now.

    Watch now
  6. Alien: Covenant poster

    6.Alien: Covenant(2017)

    6.2HorrorScience FictionAlso horror and science fiction

    The crew of the colony ship Covenant, bound for a remote planet on the far side of the galaxy, discovers what they think is an uncharted paradise but is actually a dark, dangerous world.

    Watch now
  7. Nope poster

    7.Nope(2022)

    6.8HorrorScience FictionThrillerAlso horror and science fiction

    Residents in a lonely gulch of inland California bear witness to an uncanny, chilling discovery.

    Watch now
  8. Deep Blue Sea poster

    8.Deep Blue Sea(1999)

    6.0ActionHorrorScience FictionAlso horror and 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 dangerous. After a big storm damages their remote research facility, they must fight for their lives.

    Watch now
  9. The Thing poster

    9.The Thing(2011)

    6.3HorrorScience FictionMysteryAlso horror and science fiction

    When paleontologist Kate Lloyd travels to an isolated outpost in Antarctica for the expedition of a lifetime, she joins an international team that unearths a remarkable discovery. Their elation quickly turns to fear as they realize that their experiment has freed a mysterious being from its frozen prison. Paranoia…

    Watch now
  10. The Thing poster

    10.The Thing(1982)

    8.1HorrorMysteryScience FictionAlso horror and science fiction

    A research team in Antarctica is hunted by a shape-shifting alien that assumes the appearance of its victims.

    Watch now
  11. Frankenstein Unbound poster

    11.Frankenstein Unbound(1990)

    5.9HorrorScience FictionAlso horror and science fiction

    The ultimate weapon, claimed to be safe for mankind, produces global side-effects including time slides and disappearances. The scientist behind the project and his car are zapped from the year 2031 to 1817 in Switzerland where he meets Dr. Victor Frankenstein, Mary Shelley and others.

    Watch now
  12. Predator 2 poster

    12.Predator 2(1990)

    6.3Science FictionActionThrillerAlso 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.

    Watch now
  13. Pandorum poster

    13.Pandorum(2009)

    6.6ActionHorrorMysteryAlso horror and science fiction

    Two crew members wake up on an abandoned spacecraft with no idea who they are, how long they've been asleep, or what their mission is. The two soon discover they're actually not alone – and the reality of their situation is more horrifying than they could have imagined.

    Watch now
  14. Outlander poster

    14.Outlander(2008)

    6.5Science FictionActionAlso science fiction

    During the reign of the Vikings, a man from another world crash-lands on Earth, bringing with him an alien predator. The man must fuse his advanced technology with the weaponry of the vikings to fight the monster.

    Watch now
  15. The Brood poster

    15.The Brood(1979)

    6.7HorrorScience FictionAlso horror and science fiction

    A man tries to uncover an unconventional psychologist's therapy techniques on his institutionalised wife, amidst a series of brutal murders.

    Watch now
  16. The Kindred poster

    16.The Kindred(1987)

    6.1HorrorScience FictionAlso horror and science fiction

    Amanda's deathbed request to her son, John, was for him to destroy all the lab notes etc. from her last experiment. She also blurts out he had a brother. At the funeral John meets Melissa, who claims to be his mother's biggest fan. Together with some of John's friends they go to Amanda's house, but none are prepared…

    Watch now
  17. Margaux poster

    17.Margaux(2022)

    5.9HorrorScience FictionAlso horror and science fiction

    As a group of seniors celebrate their final college days at a smart house, the house's highly advanced AI system, Margaux, begins to take on a deadly presence of her own. A carefree weekend of partying turns into a dystopian nightmare as they realize Margaux's plans to eliminate her tenants one way or another. Time…

    Watch now
  18. Serenity poster

    18.Serenity(2005)

    7.4Science FictionActionAdventureAlso science fiction

    A group of rebels travel the outskirts of space evading the sinister Alliance regime. Their lives of smuggling and cargo-running are interrupted by a psychic passenger who harbours a dangerous secret. Soon, the crew find themselves being pursued by an Alliance agent who will stop at nothing to find them.

    Watch now
  19. Leviathan poster

    19.Leviathan(1989)

    6.0AdventureHorrorThrillerAlso horror and science fiction

    Underwater deep-sea miners encounter a Soviet wreck and bring back a dangerous cargo to their base on the ocean floor with horrifying results. The crew of the mining base must fight to survive against a genetic mutation that hunts them down one by one.

    Watch now
  20. The Fly poster

    20.The Fly(1986)

    7.4HorrorScience FictionAlso horror and science fiction

    When brilliant, eccentric scientist Seth Brundle makes a huge technological breakthrough in teleportation, he decides to test it on himself. Unbeknownst to him, a common housefly manages to get inside the device and the two become one.

    Watch now