Science fiction TV series

Aliens on Earth

• Alien Nation
• Mork and Mindy
• My Favorite Martian
• Ocean Girl
• 3rd Rock from the Sun
• Tracker

Alien Invasion

• Captain Scarlet
• The Invaders
• Project U.F.O.
• The Tripods
• UFO
• The X-Files
• V

Children's Series

• Children of the Dog Star
• Chocky
• Chocky's Challenge
• Chocky's Children
• Galidor
• The Clangers
• The Girl from Tomorrow
• Land of the Lost
• Ocean Girl
• Power Rangers
• ReBoot
• Space Cases
• The Tomorrow People

Disaster and destruction

• Doomwatch
• Survivors
• Thunderbirds

Life in the Future

• Buck Rogers in the 25th Century
• Cleopatra 2525
• Jeremiah
• The Jetsons
• Logan's Run
• Max Headroom
• Mann & Machine

Parallel Universes

• Land of the Lost
• Otherworld
• Sliders

Paranormal Investigations

• Millennium
• Psi-Factor
• The X-Files

Spaceship based

• Andromeda
• Battlestar Galactica
• Blake's 7
• Crusade
• Farscape
• Fireball XL5
• Firefly
• Futurama
• Lexx
• Lost in Space
• Red Dwarf
• Space 1999 (technically on the Moon, but unrealistically hurtling through space)
• Space 2000
• Space Patrol
• Space Rangers
• Star Trek: Enterprise
• Star Trek
• Star Trek: The Next Generation
• Star Trek: Voyager
• Salvage One

Superhumans

• The Bionic Woman
• Birds of Prey
• Captain Scarlet
• Dark Angel
• The Greatest American Hero
• Man from Atlantis
• Mutant X
• The Six Million Dollar Man
• Sapphire and Steel (two enigmatic agents with psi powers)
• Superman (several TV shows, cartoons, and movies)

Space station based

• Babylon 5
• Mercy Point
• Prisoners of Gravity
• Star Cops
• Star Trek: Deep Space Nine

Steampunk

• The Adventures of Brisco County, Jr.
• Gormenghast
• Jack of All Trades
• Legend
• Read or Die
• The Secret Adventures of Jules Verne
• Wild Wild West

Time travel based

• Crime Traveller
• Doctor Who
• The Girl from Tomorrow
• Goodnight Sweetheart
• Quantum Leap
• Seven Days
• The Time Tunnel
• Time Trax
• Timeslip
• Voyagers

Vehicle based

• Knight Rider
• Stingray
• Supercar
• Thunderbirds

Anthologies

• Science Fiction Theater
• The Twilight Zone
• The Outer Limits
• Out of the Unknown

Misc

• The Avengers (many fantastic and science fictional elements)
• Earth 2
• Galaxy High
• The Hitchhiker's Guide to the Galaxy
• Joe 90
• Land of the Giants
• Mystery Science Theater 3000
• The Omega Factor
• The Quatermass Experiment
• Quatermass II
• Quatermass and The Pit
• Quatermass, aka The Quatermass Conclusion
• Sapphire and Steel
• seaQuest DSV
• Stargate SG-1
• Voyage to the Bottom of the Sea
• VR-5

see also: science fiction television, science fiction sitcom, List of science fiction short stories