- 10,191
- 100,000,000,000,000
- 10 Downing Street
- 12,005
- 12 Monkeys
- 13,820,000,000 BCE
- 1638
- 1794
- 1913
- 1938
- 1953
- 1962
- 1963
- 1968
- 1980s
- 1984
- 1984 productions
- 1988
- 1992
- 1996
- 1999
- 19 BBY
- 20,000 Leagues Under the Sea (Film)
- 200,000
- 200,100
- 2001: A Space Odyssey
- 2001: A Space Odyssey (film)
- 2003
- 2004
- 2005
- 2006
- 2007
- 2009
- 2010
- 2010: Odyssey Two
- 2010: The Year We Make Contact
- 2011
- 2012
- 2012 (film)
- 2013
- 2014
- 2015
- 2016
- 2017
- 2018
- 2019
- 2020
- 2021
- 2022
- 2023
- 2024
- 2038
- 2042
- 2057
- 2063
- 2112
- 2126
- 2127
- 2128
- 2129
- 2132
- 2133
- 2134
- 2135
- 2136
- 2137
- 2138
- 2139
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- 2168
- 2169
- 2170
- 2172
- 2174
- 2175
- 2183
- 2184
- 2187
- 2190
- 2192
- 2195
- 2196
- 21st century
- 2209
- 2214
- 2215
- 2217
- 2218
- 2219
- 2222
- 2223
- 2227
- 2229
- 2232
- 2233
- 2236
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- 2241
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- 2243
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- 2246
- 2247
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- 2251
- 2252
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- 2254
- 2255
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- 2257
- 2258
- 2259
- 2261
- 2262
- 2263
- 2264
- 2265
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- 2267
- 2268
- 2271
- 2273
- 2274
- 2278
- 2279
- 2281
- 2282
- 2283
- 2284
- 2285
- 22nd century
- 2337
- 2338
- 2339
- 2340
- 2341
- 2342
- 2343
- 23rd century
- 24th century
- 2526
- 2545
- 2550
- 2552
- 2567
- 25 Awesome Alien-Based Movies
- 2600
- 2730
- 3691
- 3805
- 3876
- 3975
- 3rd Rock From The Sun
- 4-LOM
- 40,000
- 40 Eridani A Starfleet Construction Yards
- 5,000,000,000
- 5,000,000,023
- 892-IV
- A.F.
- AAT Battletank
- ATV-54 Nebula
- A Clockwork Orange
- A Clockwork Orange (Film)
- A Kind of Murder
- A Space Odyssey
- Aaron
- Aaron Cavit
- Abdon
- Abominor
- Abramson
- Academy: Collision Course
- Accelerator (Destiny)
- Ace
- Adeptus Mechanicus
- Admiral
- Aelita, Queen of Mars
- Aenar
- After Earth
- After the Gold Rush
- Agent Brown
- Agent Jackson
- Agent Johnson
- Agent Jones
- Agent Locke
- Agent Thompson
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- Akharin
- Alans
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- Alden
- Alderaan
- Alex Hopkins
- Alicia Walters
- Alien
- Alien: Out of the Shadows
- Alien (Film)
- Alien (Film Series)
- Alien 3
- Alien Resurrection
- Alien vs. Predator (Series)
- Aliens
- Alien³
- All Terrain Armored Transport
- All Terrain Ion Cannon
- All Terrain Scout Transport
- Alpha 441
- Alpha 7
- Alpha Prime
- Alpha Quadrant
- Altair Nebula
- Altered
- Aman Evek
- Amaro
- Amasov
- Amphibian Man (film)
- An Index of Science Fiction Works: 1800s
- An Index of Science Fiction Works: 2010-2019
- Anakin Skywalker
- Anakin Skywalker's starfighter
- Analog: Science Fiction and Fact Magazine
- Ancient
- Ancients
- Andalites
- Andoria
- Andorian
- Andorian Imperial Guard
- Andrews
- Andromeda (TV series)
- Andromeda Ascendant
- Andromeda Galaxy
- Andronica
- Andronicans
- Angry Birds Star Wars
- Angry Birds Star Wars II
- Angry Candy
- Animorphs
- Annares
- Anne Droid
- Another Earth
- Antares Ship Yards
- Antarians
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- Antilla
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- April Anaya
- Aquino
- Arcateen 5
- Arex
- Aries 1B
- Ark
- Arkinson
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- Armageddon
- Armstrong
- Aron
- Arous
- Arrakis
- Arriaga
- Arthur Coleman Winters
- Aschen Prime
- Ashmore
- Asteroid
- Asteroids
- Atlantis
- Attack of the Barbarians
- Attack of the Cybermen
- Audrey II
- Aurora (Novel)
- Aurora Mission (Generation Ship)
- Auton
- Avalon
- Azure Nebula
- B1 battle droid
- B2 Super Battle Droid
- BRT Supercomputer
- Babel 3805
- Babylon 5
- Babylon 5 (station)
- Back to the Future
- Back to the Future Part II
- Back to the Future Part III
- Bacta Gel
- Bad Wolf
- Bad Wolf One
- Bad Wolf entity
- Baikonur Cosmodrome
- Bajor
- Bajoran
- Bajoran Militia
- Balaraphon
- Baltar
- Barb Wire
- Barb Wire (Film)
- Barbarella
- Barbarella (film)
- Barcelona
- Barcelona (planet)
- Barstow (Commodore)
- Basestar
- Batman: Dead White
- Batman & Robin
- Batman (Movie)
- Battersea Power Station
- Battle of Earth (Halo)
- Battle of Endor
- Battle of Wolf 359
- Battlefield
- Battlefield Earth
- Battlefield Earth (Film)
- Battlestar Galactica
- Battlestar Galactica: The Board Game
- Battlestar Galactica (1978 TV series)
- Battlestar Galactica (2004 TV series)
- Battlestar Galactica (TV miniseries)
- Battlestar Galactica (reimagining)
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