Best - Sci-Fi Seriesby crichton68 | created - 28 Mar 2013 | updated - 12 May 2013 | Public
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2. Terminator: The Sarah Connor Chronicles (2008–2009)
TV-PG | 60 min | Action, Drama, Sci-Fi
Set after the events in Terminator 2 (1991), Sarah Connor and her son, John, try to stay under-the-radar from the government, as they plot to destroy the computer network, Skynet, in hopes of preventing Armageddon.
3. Dark Angel (2000–2002)
TV-14 | 60 min | Action, Drama, Mystery
A group of genetically-enhanced children escape from a lab project. Years later we meet Max, one of the escapees who now works for a messenger service in the post-apocalyptic Pacific Northwest.
4. 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.
5. Defiance (2013–2015)
TV-MA | 43 min | Action, Drama, Sci-Fi
In the year 2046, it's a new Earth - with new rules. Over thirty years after various alien races arrived on Earth, the landscape is completely altered, terraformed nearly beyond recognition... See full summary »
7. Stargate: Atlantis (2004–2009)
TV-PG | 44 min | Action, Adventure, Drama
An international team of scientists and military personnel discover a Stargate network in the Pegasus Galaxy and come face-to-face with a new, powerful enemy, The Wraith.
10. SGU Stargate Universe (2009–2011)
Not Rated | 43 min | Drama, Sci-Fi
Trapped on an Ancient spaceship billions of light-years from home, a group of soldiers and civilians struggle to survive and find their way back to Earth.
12. 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.
13. Flash Gordon (2007–2008)
60 min | Action, Adventure, Drama
Hometown Celebrity Steven "Flash" Gordon discovers a secret his father tried desperately to keep hidden. He then embarks on a journey to another dimension in hopes of finding his father who... See full summary »
14. 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.
15. Terra Nova (2011)
TV-14 | 46 min | Adventure, Mystery, Sci-Fi
Centers on the Shannons, an ordinary family from 2149 when the planet is dying who are transported back 85 million years to prehistoric Earth where they join Terra Nova, a colony of humans with a second chance to build a civilization.
16. V (2009–2011)
TV-14 | 42 min | Drama, Sci-Fi, Thriller
An extraterrestrial race arrives on Earth with seemingly good intentions, only to slowly reveal their true machinations the more ingrained into society they become.
18. 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.
20. Doctor Who (2005– )
TV-PG | 45 min | Adventure, Drama, Family
The further adventures of the time travelling alien adventurer known as the Doctor, a Time Lord/Lady who can change appearance and gender, and his/her companions.
22. UFO (1970–1973)
45 min | Action, Sci-Fi
In the year 1980 the Earth is threatened by an alien race who kidnap and kill humans and use them for body parts. A highly secret military organization is set up in the hope of defending ... See full summary »