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Best Sci-Fi on Netflix UK 2023

Updated April 2026 · Data via TMDB

The best sci-fi films on Netflix UK released in 2023, ranked by audience and critic ratings via the TMDB database. From critically acclaimed releases to overlooked gems to audience favourites, these are the top-rated sci-fi titles available to stream on Netflix UK.

Ratings here are TMDB community scores, which closely track IMDb in distribution. To see the live IMDb and Rotten Tomatoes scores for these and every other Netflix title directly on the Netflix interface, install the Flix-Rate Chrome extension.

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  1. 1

    Nimona (2023)

    7.9 1,359 votes

    A knight framed for a tragic crime teams with a scrappy, shape-shifting teen to prove his innocence.

  2. 2

    Godzilla Minus One (2023)

    7.6 3,083 votes

    In postwar Japan, Godzilla brings new devastation to an already scorched landscape. With no military intervention or government help in sight, the survivors must join together in the face of despair and fight back against an unrelenting hor…

  3. 3

    Blue Beetle (2023)

    6.6 3,058 votes

    Recent college grad Jaime Reyes returns home full of aspirations for his future, only to find that home is not quite as he left it. As he searches to find his purpose in the world, fate intervenes when Jaime unexpectedly finds himself in po…

  4. 4

    The Flash (2023)

    6.6 4,926 votes

    When his attempt to save his family inadvertently alters the future, Barry Allen becomes trapped in a reality in which General Zod has returned and there are no Super Heroes to turn to. In order to save the world that he is in and return to…

  5. 5

    They Cloned Tyrone (2023)

    6.6 729 votes

    A series of eerie events thrusts an unlikely trio onto the trail of a nefarious government conspiracy lurking directly beneath their neighborhood.

  6. 6

    Paradise (2023)

    6.5 696 votes

    A man sees the dark side of the time-manipulating biotech company he works for when a crushing debt forces his wife to give up 40 years of her own life.

  7. 7

    Mighty Morphin Power Rangers: Once & Always (2023)

    6.5 293 votes

    After tragedy strikes, an unlikely young hero takes her rightful place among the Power Rangers to face off against the team's oldest archnemesis.

  8. 8

    Meg 2: The Trench (2023)

    6.4 3,918 votes

    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.

  9. 9

    Rebel Moon - Part One: A Child of Fire (2023)

    6.2 2,514 votes

    When the ruthless forces of the Motherworld threaten a quiet farming village on a distant moon, a mysterious outsider becomes its best hope for survival.

  10. 10

    JUNG_E (2023)

    6.1 668 votes

    On an uninhabitable 22nd-century Earth, the outcome of a civil war hinges on cloning the brain of an elite soldier to create a robot mercenary.

  11. 11

    Bird Box Barcelona (2023)

    5.9 827 votes

    After a mysterious force decimates the world’s population, Sebastian must navigate his own survival journey through the desolate streets of Barcelona. As he forms uneasy alliances with other survivors and they try to escape the city, an une…

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