Top 10 Sci-fi TV Series ever — according to Radio Times readers
From Red Dwarf to Doctor Who, which futuristic, space travelling series came out on top?

CBS via Getty Images, BBC Studios/Bad Wolf/James Pardon, BBC/UKTV/Joel Anderson
- James Hibbs
10 items
Earlier this year, we asked our readers to let us know what they believed to be the best sci-fi film of all time - and they certainly delivered, crowning Alien in the number 1 spot.
Now, we've returned to them, this time looking instead for the greatest sci-fi TV series of all time. Our post (via Facebook) has almost 1000 comments, with fans weighing in with the best of the best from the genre on the small screen.
Of course, sci-fi is extremely varied, and that has certainly shown up in the results, which we have sifted through to find the 10 most mentioned shows. The overall winner of the poll ended up being mentioned in almost one fifth of all comments.
Like our film poll before it, the results have seen no shows which began in the past decade show up in the top 10 - the most recent entry on the list began in 2015, while the oldest series started back in 1963 (if you're a sci-fi fan, you probably know which one that is...)
Without further ado, here is the definitive list of the greatest sci-fi TV series of all time according to Radio Times readers, counting down to the overall winner.
Showing 1 to 10 of 10 results
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1989
Sci-fi
Action
PG
US sci-fi drama starring Scott Bakula as Dr Sam Beckett, a time-travelling physicist from the future. Dean Stockwell co-stars as hologram Al who guides Sam through his adventures.
-
1994
Adventure
Sci-fi
PG
Science-fiction adventure starring Kurt Russell and James Spader. Despite being ridiculed for his theory that the monuments of the Nile Delta were built with extraterrestrial help, an Egyptologist is asked to join a US Government project as the top brass suspects that a structure discovered by archaelogists near one of the pyramids could be a teleportation device.
-
2015
Sci-fi
Drama
15
The disappearance of rich-girl-turned-political-activist links the lives of Ceres detective, accidental ship captain and U.N. politician. Amidst political tension between Earth, Mars and the Belt, they unravel the greatest conspiracy.
-
2003
Sci-fi
Action
12
Following the destruction of the Twelve Colonies of Kobol by the Cylons, a rag-tag fugitive fleet of the last remnants of mankind flees the pursuing Cylons while simultaneously searching for their true home: Earth.
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2002
Sci-fi
Adventure
PG
Sci-fi space western drama set in the year 2517 with Nathan Fillion and Gina Torres. The renegade crew of a smuggling spaceship try to scrape a living in the aftermath of a civil war.
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1993
Adventure
Sci-fi
12
Set in the years 2257-62, the Babylon 5 space station is the focal point for politics, diplomacy and conflict among Humans and various alien civilisations, including the Narns and Centauri.
-
1988
Sci-fi
Sitcom
PG
Sci-fi comedy about the last human alive and his friends, set in a vessel known as Red Dwarf, which belongs to the Jupiter Mining Corporation. Craig Charles and Chris Barrie star.
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1978
Adventure
Drama
PG
Sci-fi drama about a group of convicts and outcasts, who are determined to fight a guerrilla war against the totalitarian Terran Federation.
-
1966
Sci-fi
Action
PG
Sci-fi drama focusing on the galaxy-spanning adventures of the crew of the starship Enterprise under the command of Captain Kirk, visiting alien worlds and encountering new lifeforms.
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1963
Sci-fi
Adventure
PG
Sci-fi drama about the adventures of an eccentric extraterrestrial Time Lord and his time-travelling companions as they battle injustice across the universe, travelling via his Tardis.
See more Top 10 Sci-fi TV Series ever — according to Radio Times readers
Authors

James HibbsDrama Writer
James Hibbs is a Drama Writer for Radio Times, covering programmes across both streaming platforms and linear channels. He previously worked in PR, first for a B2B agency and subsequently for international TV production company Fremantle. He possesses a BA in English and Theatre Studies and an NCTJ Level 5 Diploma in Journalism.
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