Most Popular Sci-Fi TV Series/TV Mini-Series
2. Arrow (2012– )
TV-14 | 42 min | Action, Adventure, Crime
Spoiled billionaire playboy Oliver Queen is missing and presumed dead when his yacht is lost at sea. He returns five years later a changed man, determined to clean up the city as a hooded vigilante armed with a bow.
6. Legends of Tomorrow (2016– )
TV-14 | 42 min | Action, Adventure, Drama
Focuses on time-traveling rogue Rip Hunter, who has to recruit a rag-tag team of heroes and villains to help prevent an apocalypse that could impact not only Earth, but all of time.
9. The Flash (2014– )
TV-PG | 43 min | Action, Adventure, Drama
After being struck by lightning, Barry Allen wakes up from his coma to discover he's been given the power of super speed, becoming the Flash, fighting crime in Central City.
14. The Expanse (2015– )
TV-14 | 60 min | Drama, Mystery, Sci-Fi
A police detective in the asteroid belt, the first officer of an interplanetary ice freighter and an earth-bound United Nations executive slowly discover a vast conspiracy that threatens the Earth's rebellious colony on the asteroid belt.
16. The 100 (2014– )
TV-14 | 43 min | Drama, Mystery, Sci-Fi
Set ninety-seven years after a nuclear war has destroyed civilization, when a spaceship housing humanity's lone survivors sends one hundred juvenile delinquents back to Earth, in hopes of possibly re-populating the planet.
17. Jessica Jones (2015– )
TV-MA | 56 min | Action, Crime, Drama
Following the tragic end of her brief superhero career, Jessica Jones tries to rebuild her life as a private investigator, dealing with cases involving people with remarkable abilities in New York City.
19. Altered Carbon (2018– )
TV-MA | 60 min | Drama, Sci-Fi, Thriller
Set in a future where consciousness is digitized and stored, a prisoner returns to life in a new body and must solve a mind-bending murder to win his freedom.
22. The X-Files (1993– )
TV-14 | 45 min | Drama, Mystery, Sci-Fi
Two FBI agents, Fox Mulder the believer and Dana Scully the skeptic, investigate the strange and unexplained, while hidden forces work to impede their efforts.
23. Doctor Who (2005– )
TV-PG | 45 min | Adventure, Drama, Family
The further adventures in time and space of the alien adventurer known as the Doctor, a Time Lord/Lady who can change appearance and gender by regenerating when near death, and his/her human companions.
24. The Last Man on Earth (2015– )
TV-14 | 22 min | Action, Comedy, Drama
Almost two years after a virus wiped out most of the human race, Phil Miller only wishes for some company, but soon gets more than he bargained for when that company shows up in the form of other survivors.
27. Star Trek: Discovery (2017– )
TV-14 | 60 min | Action, Adventure, Drama
Ten years before Kirk, Spock and the Enterprise, the USS Discovery discovers new worlds and lifeforms as one Starfleet officer learns to understand all things alien.
31. Smallville (2001–2011)
TV-PG | 60 min | Adventure, Drama, Romance
A young Clark Kent struggles to find his place in the world as he learns to harness his alien powers for good and deals with the typical troubles of teenage life in Smallville, Kansas.
35. Star Trek: The Next Generation (1987–1994)
TV-PG | 44 min | Action, Adventure, Mystery
Set decades after Captain Kirk's five-year mission, a new generation of Starfleet officers set off in a new Enterprise on their own mission to go where no one has gone before.
36. Person of Interest (2011–2016)
TV-14 | 43 min | Action, Crime, Drama
An ex-assassin and a wealthy programmer save lives via a surveillance AI that sends them the identities of civilians involved in impending crimes. However, the details of the crimes--including the civilians' roles--are left a mystery.
37. Z Nation (2014– )
TV-14 | 44 min | Action, Comedy, Drama
Three years after the zombie virus has gutted the United States of America a team of everyday heroes must transport the only known survivor of the plague from New York to California, where the last functioning viral lab waits for his blood.
42. Salvation (2017– )
TV-14 | 43 min | Drama, Sci-Fi, Thriller
An MIT grad student and a tech superstar bring a low-level Pentagon official a staggering discovery--that an asteroid is just six months away from colliding with Earth.
43. Runaways (2017– )
TV-14 | 60 min | Action, Drama, Sci-Fi
After discovering their parents are super-villains in disguise, a group of teenagers band together to run away from their homes in order to atone for their parents' actions and to discover the secrets of their origins.
45. Sense8 (2015–2018)
TV-MA | 60 min | Drama, Mystery, Sci-Fi
A group of people around the world are suddenly linked mentally, and must find a way to survive being hunted by those who see them as a threat to the world's order.
47. Luke Cage (2016– )
TV-MA | 55 min | Action, Crime, Drama
When a sabotaged experiment gives him super strength and unbreakable skin, Luke Cage becomes a fugitive attempting to rebuild his life in Harlem and must soon confront his past and fight a battle for the heart of his city.
48. Travelers (2016– )
TV-MA | 45 min | Drama, Mystery, Sci-Fi
Hundreds of years from now, surviving humans discover how to send consciousness back through time, into people of the 21st century, while attempting to save humanity from a terrible future.
50. Final Space (2018– )
TV-14 | 30 min | Animation, Action, Adventure
An astronaut named Gary and his planet-destroying sidekick called Mooncake embark on serialized journeys through space in order to unlock the mystery of where the universe actually ends and if it actually does exist.