10 Sci-Fi Shows That Became Hits Years After They Ended

In my opinion, not every television series garners immediate success during its initial run, and this is particularly evident with science fiction – a genre known for confounding expectations and often taking time to build an audience (let’s face it). Consequently, many shows were unjustly terminated prematurely or overlooked when they first premiered. However, astonishingly, numerous series found second chances years down the line. Through streaming platforms, word of mouth, or a new generation discovering them, it’s amazing how time can sometimes be more forgiving than the initial audience. Some shows demonstrate that in science fiction, true impact doesn’t always materialize on first impression, but when it does, it leaves a lasting mark.

These 10 sci-fi series truly shine once they’ve concluded, as their depth and quality became more appreciated over time:

1. Battlestar Galactica
2. Firefly
3. The Expanse
4. Dark Matter
5. Farscape
6. Stargate SG-1
7. Fringe
8. Quantum Leap
9. Roswell
10. Sliders

Each of these shows offers a unique blend of science fiction, adventure, and thought-provoking themes that resonate deeply with viewers long after the final episode airs.

1) Firefly

Firefly is an iconic television series that was unfortunately terminated prematurely (after fewer than 12 episodes). Although its narrative is quintessentially sci-fi, it offers a unique blend of space western elements, focusing on the exploits of the Serenity’s crew as they navigate diverse activities such as smuggling and encounters with oppressive governments. The factors that contributed to the show gaining cult status over time extend beyond its intriguing plotline; the captivating dynamics among characters and the immersive universe it created played significant roles in its enduring popularity.

Despite its brief airing, Firefly found a way to remain pertinent and cultivate a dedicated fanbase, an accomplishment not easily achieved. The show’s blend of humor, action, and emotional depth is impressively well-balanced, and the 2005 film Serenity was undeniably evidence that the narrative resonated deeply. However, the lack of a full season left an air of unfulfilled potential, transforming Firefly into a sort of elusive treasure for sci-fi enthusiasts – a cherished relic cut short before its time.

2) Futurama

If you’re not familiar with “Futurama”, it’s likely that you’ve come across its memes on the internet. Created by the same genius behind “The Simpsons”, the show initially didn’t achieve the same level of popularity. It was canceled and then brought back, but it wasn’t until fans started watching reruns years later that it truly found its stride. This animated series follows Fry, a delivery guy who finds himself in the 31st century and ends up working at a space delivery company. He gets involved in all sorts of strange adventures with an eccentric team.

The essence of Futurama lies in its harmonious mix of sharp wit, insightful social commentary, and rich emotional content. Hidden beneath the laughter and sci-fi turmoil, it delves into themes like love, self-discovery, and mortality – all while maintaining its comedic flair. It took viewers a while to fully grasp this unique blend, but once they did, Futurama solidified itself as one of the sharpest and most distinctive animated sci-fi series ever created.

3) Lost

Initially, “Lost” was well-received during its initial broadcast, but it truly exploded as a cultural icon post its conclusion, largely due to the highly contested, widely discussed finale. The series commences with a plane crash on a mystifying island, leaving a band of survivors grappling with supernatural perils while unraveling an increasingly intricate tapestry of secrets. Characterized by its frequent flashbacks, multi-layered narratives, and perpetual tension, it managed to captivate audiences and spark discussions that continued long after the series finale. Its resurgence on streaming platforms further prolonged its lifespan and solidified its cult following.

As time passed, it was only natural for succeeding generations to re-explore the intricacies of the series titled “Lost“. Debates about its hidden messages and interpretations sprang up once more, demonstrating the show’s enduring relevance in our cultural discourse. Regardless of the controversies surrounding it, the fact that it continues to be a part of these discussions indicates its significant influence. The television series crafted an intricate, ambitious narrative world with all its imperfections, leaving behind a lasting impact not only as enjoyable entertainment but also as a groundbreaking example of serialized storytelling.

4) The X‑Files

Is there anyone who hasn’t come across “The X-Files”? This iconic series from the ’90s revolves around FBI agents Mulder (David Duchovny) and Scully (Gillian Anderson), who explore unexplained phenomena and government secrets. Although it was well-known during its initial broadcast, its lasting impact truly became apparent after its conclusion – particularly with the production of movies and revival seasons that sparked renewed curiosity among fans. It’s frequently hailed as a classic not only because of nostalgia but also due to the fact that it deservedly earned this recognition over time.

The X-Files remains pertinent due to its unique combination of suspenseful storytelling and science fiction, enveloped in an ongoing atmosphere of suspicion and enigma. It significantly influenced the mood of numerous series that emerged afterwards. Even today, after many years, its influence can be seen in contemporary sci-fi and supernatural narratives. With a reboot by director Ryan Coogler on the horizon, it’s apparent that The X-Files is anything but obsolete. Its impact continues to grow, and the interest of viewers remains undiminished.

5) Battlestar Galactica

In 2004, the revival of “Battlestar Galactica” breathed new life into a nearly forgotten science fiction franchise, transforming it into one of today’s most esteemed sci-fi series. The narrative follows the remnants of humanity as they escape from the mechanical race known as the Cylons, delving into political intrigue and religious themes. Although it didn’t draw massive viewership during its initial broadcast, the show garnered critical praise, and its reputation continued to grow even after it concluded.

Battlestar Galactica evolved into the series it is known for today due to its audacity in exploring profound, intricate themes, challenging the notion that science fiction is merely a means of escape. Consequently, this daring approach cultivated a passionate fanbase who, with time, elevated the show to the status of a classic. Nowadays, it’s regarded as a must-watch for those seeking thought-provoking and meaningful content within the sci-fi genre.

6) Babylon 5

One of the groundbreaking trailblazers in long-form narrative structure, “Babylon 5” made a significant impact when it first aired in the early ’90s. This series takes place on a diplomatic space station where various alien species attempt to live harmoniously, amidst complex political machinations and conflicts that span numerous seasons. Unfortunately, during its initial run, it didn’t receive the recognition it deserved, often being underestimated. However, over time, its true worth has become increasingly apparent.

Today, “Babylon 5” is held in high regard by science fiction enthusiasts for its robust storytelling and imaginative universe construction. In numerous aspects, it served as a trailblazer for series like “Battlestar Galactica” and “Game of Thrones,” demonstrating its influence on contemporary storytelling and character development. The devoted fanbase it has amassed showcases the show’s forward-thinking nature, making it a groundbreaking production that was ahead of its time. Additionally, its space opera backdrop and diverse alien cultures exhibit striking resemblances to “Star Wars,” which could have contributed to attracting fans of the latter franchise.

7) Dark Matter

Dark Matter, less renowned than others on the list, offers an intriguing blend of action and philosophical conundrums. The narrative starts with six individuals discovering themselves aboard a spacecraft, unaware of their identities or purpose, setting off a captivating mystery that grips audiences immediately. As deceit, ethical dilemmas, and concealed intentions surface, the tension escalates.

Unfortunately, despite its promising potential and tendency to be undervalued, the series titled Dark Matter was unfortunately cancelled. However, what keeps it significant over time is its rich narrative complexity, delving deeper than usual sci-fi action to examine themes such as identity and personal decisions, as demonstrated by characters grappling with who they want to become in the future. The devoted fanbase continues to express their desire for more content, demonstrating how effectively the show created an engaging world that remains relevant years after its conclusion.

8) The Expanse

Drawing from James S.A. Corey’s captivating novels, The Expanse immerses readers with its raw, multi-dimensional portrayal of life in space and the intense power struggles between Earth, Mars, and the Asteroid Belt. The narrative commences with the enigmatic vanishing of a young woman and a spaceship mishap, sparking a series of events that propels the Rocinante’s crew into an enthralling vortex of political machinations, action, and escalating mystery. As the tale unfolds, the scope and magnitude of the conflict only intensify.

Despite a slow start with a small viewer base, “The Expanse” experienced a rebirth on streaming services, where it rapidly gained popularity. Now, it’s recognized as one of the top sci-fi series of the past ten years. Its impact is ongoing, primarily through spin-offs like video games and potential future installments.

9) Cowboy Bebop

In the realms of anime and science fiction, the series Cowboy Bebop stands as an undeniable milestone. This is due to its unique combination of action, jazz music (complete with its rhythm, spontaneity, and melancholic undertones), and a narrative that delves into themes such as solitude and atonement. The story unfolds around a group of bounty hunters voyaging through space in a bleak future, where each episode masterfully intertwines humor, drama, and philosophy to create an experience that feels innovative and immersive.

Although Cowboy Bebop didn’t initially achieve great success when it was initially broadcasted, its importance and fanbase have expanded significantly over the years. Thanks to streaming services, it has been joyfully rediscovered by a variety of international audiences, particularly those outside Japan. Nowadays, it’s not just a cult favorite anime but a crucial benchmark in animated sci-fi, shaping both the genre and global perceptions of anime.

10) Farscape

Farscape” is well-known for being a series that may not have had a massive television viewership, but it managed to create a devoted fanbase due to its innovative approach to science fiction. It seamlessly combines elements of drama, comedy, and excitement. The narrative focuses on John Crichton, played by Ben Browder, an astronaut who accidentally lands in a strange universe and eventually teams up with a motley crew of unusual alien companions.

Essentially, the reason Farscape continues to thrive is that it deviates from typical tropes associated with its premise. The characters are richly portrayed, and the series’ clever application of practical effects gives it a distinctive edge. To this day, it’s often discussed as one of the genre’s most creative and thought-provoking shows, thanks to its willingness to be bizarre and emotionally bold. Despite being underappreciated, it has made a significant impact.

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2025-07-05 15:10