10 best sci-fi shows that got canceled way too early

Best sci-fi shows that got cancelled way too early | Images via Prime Video, Hulu and Disney+
Best sci-fi shows that got canceled way too early | Images via Prime Video, Hulu and Disney+

Amazing Sci-fi topics like astronautics, future technology, and extraterrestrial life are common in TV series. Only some strong shows reach far enough to tell their final chapter. Sometimes a series is canceled before it reaches the fans’ expectations. The following list points out 10 sci-fi series that ended much earlier than anyone wanted.

Even though some series were canceled long ago, they still gained followers who worked hard to keep them on television. Compelling stories like Firefly and The 4400 did not manage to do well in the television business. We’re going to focus on some sci-fi movies that seemed to disappear from the screens too fast for our liking.

*Please note: This article is solely the writer's opinion. Reader discretion is advised.*


Here is the list of the 10 best sci-fi shows that got canceled way too early

10. Firefly (2002)

Firefly | Image via Hulu
Firefly | Image via Hulu

Joss Whedon created the science fiction series Firefly. In 2002, Fox aired Firefly, combining two genres: space adventure and western. It tells the story of a spacecraft crew struggling to survive in environments where humanity cannot. Despite being different and having great characters, the show encountered several challenges.

The first time the episodes aired, viewers got confused because Fox was airing them out of sequence. Furthermore, the network marketed the series as a comic-style show, which was not how viewers interpreted it in the end. The combination of reasons resulted in few ratings, and only 11 out of the 14 episodes could be shown before it was closed down. Still, interest in the show led to the 2005 film Serenity, which expanded the story.


9. Farscape (1999-2003)

Farscape | Image via Prime Video
Farscape | Image via Prime Video

From 1999 to 2003, Farscape aired on Australian and American television. John Crichton drives the main events in Farscape. An accident took him away from Earth and millions of miles through space to arrive in a different universe. He starts traveling with a group of escaped aliens, all hidden on a bio-organic ship called Moya. The Jim Henson Company's inventiveness allowed the series to shine with its compelling plot, compelling characters, and superb use of puppetry and special effects.

Costs that continually rose and business issues faced by the company meant Farscape had to stop after four seasons. This sci-fi story ended much sooner than expected. Even so, the fans got a different story, as Farscape: The Peacekeeper Wars was released as a miniseries in 2004.


8. Almost Human (2013-2014)

Almost Human | Image via Plex
Almost Human | Image via Plex

From November 2013 to March 2014, Fox aired the sci-fi crime drama Almost Human. The story is about John Kennex and Dorian working together in 2048 to solve crime as the crime rate steadily rises. The story covered subjects like humanity, technology, and group effort. The production had several problems despite its innovative concept and the excellent performances by Karl Urban and Michael Ealy.

Character development was unclear, and continuity issues resulted from Fox airing episodes out of order. This resulted in a less cohesive and confusing narrative for viewers.


7. The OA (2016-2019)

The OA | Image via Netflix
The OA | Image via Netflix

Brit Marling and Zal Batmanglij created the sci-fi series The OA. The sci-fi show follows Prairie Johnson, who goes blind and then regains her sight and unusual powers. In the OA universe, fans deal with sci-fi, supernatural, and spiritual tales. Despite the positive reviews and large fan base, Netflix chose to end the series after just two seasons.

The cancellation of this TV show sparked campaigns online and offline, including copying the show’s signature steps in public spaces. Several people thought the cancellation was a twist intended for the show, but Marling said it was real. Fans were deeply dissatisfied with how the season ended with the lack of closure and unresolved storylines.


6. Paper Girls (2022)

Paper Girls | Image via Prime Video
Paper Girls | Image via Prime Video

Paper Girls premiered on Amazon Prime Video in 2022, mixing up time travel with a taste of the 1980s. Four newspaper delivery ladies who travel to the future are the subject of this sci-fi series that Brian K. Vaughan created based on his novel. Here, they run into their adult lives and get thrown into a complicated battle of time.

Despite having a compelling plot and excellent actors, Paper Girls was canceled after its first season. After the show's cliffhanger, many viewers wondered about an important detail. Like Stranger Things, several reviews praised the series' unique storytelling style and acknowledged the compelling character development. Still, a small marketing campaign and lots of rival streaming services ended up cutting its run short.


5. Caprica (2010)

Caprica | Image via Peacock
Caprica | Image via Peacock

The episodes in Caprica take place 58 years before the sci-fi series Battlestar Galactica. It examines the origins of the Cylons and discusses issues of artificial intelligence, corporate power, and extreme ideologies. The story focuses on the Graystones and the Adamas, who experience problems related to life and society while living in the future.

It was discontinued due to a mid-season halt, overlapping TV shows, and an uncomfortable shift in comedy. Its discontinuation was due to low ratings and a perceived struggle to attract and retain viewers. After being unaired in the United States, the final five episodes were released on DVD and broadcast in a marathon.


4. Terra Nova (2011)

Terra Nova | Image via Disney+
Terra Nova | Image via Disney+

Steven Spielberg produced the sci-fi show Terra Nova, which was aired by Fox in 2011. The plot centered around a time when Earth was overcrowded and polluted. Scientists discovered a way to transport humans back 85 million years to establish a new community among the dinosaurs and save humanity.

Viewers experienced striking visual effects and an engaging story throughout the series. However, production costs were high, with the initial episode alone costing around $20 million. Although many viewers tuned in, the significant expenses led Fox to decide against renewing the show for another season. Additionally, attempts to continue the series on platforms like Netflix and others were unsuccessful.


3. Threshold (2005)

Threshold | Image via Plex
Threshold | Image via Plex

In 2005, CBS broadcast a science fiction drama called Threshold. According to the plot, a group of government scientists explored a bizarre alien signal that could modify human genes. Science fiction and suspense came together in the series, giving viewers an unusual perspective on stories about aliens.

Originally shown on Friday evenings, the network switched the show to Tuesday to improve its viewership. As a result, it went head-to-head with favorites like Law & Order: SVU, bringing down its existence. For this reason, CBS ended the show after nine episodes and did not air the remaining four in the U.S. After airing in the UK, the remaining episodes were included in the DVD package and presented to viewers.


2. Journeyman (2007)

Journeyman | Image via Just Watch
Journeyman | Image via Just Watch

Journeyman was a science fiction drama that aired in 2007. Dan Vasser (hero of the show) discovers he can travel through history, affecting everyone he sees. Doc Brown and Marty discussed the challenges of time travel and what it might mean for their relationships. Even though the idea for Journeyman and its performances was interesting, the series did not attract many viewers.

The sci-fi series was canceled by CBS primarily due to low ratings. After being moved to Tuesday nights, the show experienced a sharp drop in viewership, and CBS decided to cancel it just days later. CBS also had other shows they were focusing on, including Ghost Whisperer, which they felt was a more promising investment.


1. The 4400 (2004-2007)

The 4400 | Image via Prime Video
The 4400 | Image via Prime Video

The 4400 ran as a science fiction television show from 2004 until 2007. The first scene occurs when, in a sudden burst, 4,400 who had gone missing over the past several years are found near Mount Rainier, Washington. They have not aged, and many are beginning to develop their abilities. The episode discusses how people reintegrate into society and what the government does to help them do so.

Throughout four seasons, The 4400 explored concepts of identity, control, and the effects of immediate change. Despite its passion among fans and interesting plotline, the show was finished after season 4. The show got canceled due to significant delays due to strikes and budgetary concerns. Many fans were displeased because the show’s plot was never resolved.


We can conclude that these 10 sci-fi shows showed fans something entirely new and different. Every series introduced a novel idea, such as time travel, distant worlds, or communications from other planets. However, a lack of viewers, network changes, or financial challenges prevented many sci-fi TV shows from concluding early, despite the efforts of ardent viewers and exceptional storytellers.

The plots of some sci-fi TV shows, such as Threshold or Journeyman, ended without providing viewers with closure, but other sci-fi TV shows, like Firefly and Farscape, returned through film or mini-series. As they were aired, they broke new ground in sci-fi TV and were never forgotten. Fan dissatisfaction grew because most ensembles did not last long enough. However, they managed to attract new fans, thanks to being available online and by people telling others about them. The shows’ endings might have been early, but their fans continued to love and remember them worldwide.

Edited by Sangeeta Mathew