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Science fiction miniseries offer some of the most concise and impactful storytelling within the genre. These shows have earned their high ratings by capturing the imagination of viewers through visionary plots and characters. Below is a list of the top 10 science fiction miniseries of all time, ordered from the highest to lowest IMDb rating.

1. Battlestar Galactica (2003)

IMDb Rating: 8.7/10
Episodes: Miniseries plus 4 seasons

The reimagined Battlestar Galactica debuted as a miniseries in 2003 before evolving into a full TV series. This post-apocalyptic saga set in space tells the story of the last remnants of humanity fleeing from a robot race known as the Cylons. The miniseries redefined space-based science fiction with its focus on moral dilemmas, politics, and the survival of the human race. The two-part miniseries is a classic introduction to one of the most acclaimed sci-fi universes.

2. The Expanse (2015)

IMDb Rating: 8.5/10
Episodes: 6 seasons (viewed in episodic arcs like a miniseries)

Though The Expanse is a full-length series, its segmented story arcs allow parts of it to feel like individual miniseries. The show depicts a future where humanity has colonized the solar system, and political tension between Earth, Mars, and the Belt colonies threatens peace. With realistic space travel physics, detailed world-building, and strong character dynamics, The Expanse is a staple in modern science fiction.

3. 11.22.63 (2016)

IMDb Rating: 8.2/10
Episodes: 8

Based on Stephen King’s novel, 11.22.63 tells the story of a teacher who travels back in time to prevent the assassination of President John F. Kennedy. However, as with many time travel tales, altering the past comes with unintended consequences. With its gripping historical backdrop and exploration of classic time travel dilemmas, the series was praised for its storytelling and acting.

4. The Lost Room (2006)

IMDb Rating: 8.1/10
Episodes: 3

A cult favorite, The Lost Room blends science fiction with mystery and fantasy elements. The show centers on a motel room that contains objects with mysterious powers, leading to an overarching conspiracy about alternate realities. The three-episode miniseries is an engaging puzzle, filled with rich world-building, strong performances, and a unique take on science fiction tropes.

5. V (1983)

IMDb Rating: 7.9/10
Episodes: 2 miniseries (1983, 1984)

V is an iconic science fiction miniseries from the 1980s that depicts an alien invasion under the guise of peaceful contact. However, these visitors have a more sinister purpose. The show mixes elements of political allegory, social commentary, and action, making it a standout among its contemporaries. Its exploration of fascism, oppression, and rebellion has ensured its lasting appeal.

6. Maniac (2018)

IMDb Rating: 7.8/10
Episodes: 10

Maniac is a surreal science fiction miniseries that explores mental illness, pharmaceutical trials, and the boundaries of the mind. Two strangers enter an experimental treatment program, leading them into shared hallucinations and deep psychological exploration. The series is praised for its innovative storytelling and vivid visual style, blending science fiction with psychological drama in a unique way.

7. The Stand (1994)

IMDb Rating: 7.2/10
Episodes: 4

This miniseries adaptation of Stephen King’s The Stand brings to life a world ravaged by a global pandemic and the ensuing battle between good and evil. As one of King’s most famous works, the post-apocalyptic drama explores themes of survival, morality, and human nature. Its portrayal of a dystopian future and the collapse of society make it a gripping entry into the science fiction genre.

8. Ascension (2014)

IMDb Rating: 7.2/10
Episodes: 6

Set aboard a generational spaceship launched in the 1960s, Ascension follows the lives of the people on board as they journey toward colonizing another planet. Along the way, they discover that the mission’s purpose may not be what they were led to believe. The show deals with social hierarchies, space exploration, and isolation, blending drama with speculative science fiction.

9. Dune (2000)

IMDb Rating: 7.0/10
Episodes: 3

This 2000 adaptation of Frank Herbert’s classic novel Dune is considered one of the more faithful attempts to bring the story to the screen. The miniseries tells the tale of Paul Atreides, the heir to a noble family who must navigate the politics and perils of the desert planet Arrakis. Though limited by its budget, it succeeds in capturing much of the intricate plot and deep philosophical ideas of Herbert’s world.

10. Childhood’s End (2015)

IMDb Rating: 6.9/10
Episodes: 3

Based on Arthur C. Clarke’s novel, Childhood’s End tells the story of an alien race that arrives on Earth, bringing peace but imposing their own form of control. As humanity enters a golden age under their rule, questions about freedom, autonomy, and the future of the human race arise. The miniseries is a visually striking adaptation that retains Clarke’s contemplative approach to the fate of humankind.

Summary

This list showcases some of the best science fiction miniseries, ranked by IMDb ratings. Whether exploring dystopian futures, the depths of space, or alternate realities, these miniseries have pushed the boundaries of the genre and left a lasting impact on fans. With their powerful storytelling, compelling characters, and imaginative settings, these shows have earned their place among the top-rated science fiction miniseries of all time.

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