Most Popular Sci-Fi TV Series/TV Mini-Series
10. Westworld (2016– )
TV-MA | 60 min | Drama, Mystery, Sci-Fi
Set at the intersection of the near future and the reimagined past, explore a world in which every human appetite, no matter how noble or depraved, can be indulged without consequence.
11. 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.
12. 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 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.
16. 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.
25. 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.
29. 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.
30. 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.
31. 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.
32. 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.
33. 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.
35. 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.
38. Star Trek: Voyager (1995–2001)
TV-PG | 44 min | Action, Adventure, Sci-Fi
Pulled to the far side of the galaxy, where the Federation is seventy-five years away at maximum warp speed, a Starfleet ship must cooperate with Maquis rebels to find a way home.
39. 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.
41. People of Earth (2016– )
TV-MA | 30 min | Comedy, Mystery, Sci-Fi
Journalist Ozzie Graham is skeptical when he investigates a support group for oddballs who think they have been abducted by aliens -- yet the more he learns, the more confused, intrigued, and seduced he becomes.
44. 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.
45. Adventure Time (2010–2018)
TV-PG | 11 min | Animation, Adventure, Comedy
A human boy named Finn and adoptive brother and best friend Jake the Dog, protect the citizens of the Land of Ooo from foes of various shapes and sizes.
47. Star Trek: Deep Space Nine (1993–1999)
TV-PG | 45 min | Action, Adventure, Drama
In the vicinity of the liberated planet of Bajor, the Federation space station Deep Space Nine guards the opening of a stable wormhole to the far side of the galaxy.
48. Battlestar Galactica (2004–2009)
TV-14 | 44 min | Action, Adventure, Drama
When an old enemy, the Cylons, resurface and obliterate the 12 colonies, the crew of the aged Galactica protect a small civilian fleet - the last of humanity - as they journey toward the fabled 13th colony, Earth.
49. Glitch (2015– )
45 min | Drama, Sci-Fi
A police officer in a small town, is called out to the local cemetery in the middle of the night, he makes a discovery that turns his world upside down. Six people have risen from the dead ... See full summary »
50. Firefly (2002–2003)
TV-14 | 44 min | Adventure, Drama, Sci-Fi
Five hundred years in the future, a renegade crew aboard a small spacecraft tries to survive as they travel the unknown parts of the galaxy and evade warring factions as well as authority agents out to get them.