List of science fiction television programs, A

This is an inclusive list of science fiction television programs whose names begin with the letter A.

A
Live-action
 * A for Andromeda (franchise):
 * A for Andromeda (1961, UK)
 * Andromeda Breakthrough, The (1962, UK, A for Andromeda sequel)
 * A for Andromeda (2006, UK, A for Andromeda remake)
 * Aaron Stone (2009–2010, US/Canada)
 * Adam Adamant Lives! (1966–1967, UK)
 * Adventures of Brisco County, Jr., The (1993–1994)
 * Adventures of Don Quick, The (1970, UK)
 * Adventures of the Elektronic, The a.k.a. Priklyucheniya Elektronika (1980, Soviet Union, miniseries)
 * After, The (2014, pilot)
 * Agent Carter (2015-2016)
 * Agents of S.H.I.E.L.D. (2013–2020)
 * Airwolf (1984–1987)
 * ALF (franchise):
 * Project ALF (1996, ALF sequel, film)
 * ALF (1986–1990)
 * Alias (2001-2006)
 * Alice (2009, miniseries)
 * Alien: Earth (2025)
 * Alien Hunter (2003, film)
 * Alien Nation (franchise):
 * Alien Nation (1989–1990)
 * Alien Nation: Dark Horizon (1990, first film)
 * Alien Nation: Body and Soul (1995, second film)
 * Alien Nation: Millennium (1996, third film)
 * Alien Nation: The Enemy Within (1996, fourth film)
 * Alien Nation: The Udara Legacy (1997, fifth film)
 * Alienated (2003–2004, Canada)
 * Aliens in the Family (1987, UK) IMDbIMDb external.png
 * Aliens in the Family (1996)
 * Almost Human (2013–2014)
 * Alpha Scorpio (1974, Australia)
 * Alphas (2011–2012)
 * Altered Carbon (2018)
 * Amanda and the Alien (1995, UK, film)
 * Amazing Stories (1985–1987, anthology)
 * Amazon (1999, Canada/Germany)
 * Ambassador Magma (1966–1967, 1993, Japan) a.k.a. Space Giants, The (US)
 * American Gothic (1995–1996)
 * Andra (1976, Australia) IMDbIMDb external.png
 * Andro-Jäger, Der (1982–1984, Germany)
 * Android Kikaider a.k.a. Jinzô ningen Kikaidâ (1972–1973, Japan)
 * Andromeda (2000–2005)
 * Angel (1999–2004) (elements of science fiction)
 * Animorphs (1998–1999)
 * Another Life (2019–2021)
 * Aphrodite Inheritance, The (1979)
 * Aquila (1997–1998, UK)
 * The Ark (2023-present)
 * Ark II (1976)
 * Ascension (2014)
 * Astronauts (1981, UK)
 * Atom Squad (1953–1954)
 * Atomic Rulers of the World (1964, film)
 * Automan (1983–1984)
 * Avengers, The (franchise, UK):
 * New Avengers, The (1976–1977, UK, Avengers, The sequel)
 * Avengers, The (1961–1969, UK)
 * Aventuras En El Tiempo a.k.a. Adventures in Time (2001, Mexico)
 * Avenue 5 (2020–2022)
 * Awake (2012)
 * Away (2020)

Animated
 * Acrobunch (1982, Japan, animated)
 * Action Man (franchise):
 * Action Man (1995, UK, animated)
 * Action Man (2000, UK, animated)
 * A.T.O.M. (Alpha Teens On Machines) (2005–2006, Action Man spin-off, France, animated)
 * Adventures of the Galaxy Rangers, The (1986–1989, animated)
 * Adventures of Jimmy Neutron: Boy Genius, The a.k.a. Jimmy Neutron (franchise):
 * Adventures of Jimmy Neutron: Boy Genius, The (2002–2006, animated)
 * The Egg-pire Strikes Back (2003, special, animated)
 * Operation: Jet Fusion (2003, film, animated)
 * Jimmy Timmy Power Hour, The (2004, film, animated)
 * Attack of the Twonkies (2004, film, animated)
 * League of Villains, The (2005, film, animated)
 * Jimmy Timmy Power Hour 2: When Nerds Collide, The (2006, film, animated)
 * Jimmy Timmy Power Hour 3: The Jerkinators, The (2007, film, animated)
 * Planet Sheen (2010–2012, Adventures of Jimmy Neutron: Boy Genius, The spin-off, animated)
 * Æon Flux (1991–1995, animated)
 * Aldnoah.Zero (2014–2015, Japan, animated)
 * ALF: The Animated Series (1987–1989, ALF spin-off, animated)
 * Alien News Desk (2019, animated)
 * Alien Racers (2005, animated)
 * Alienators: Evolution Continues (2001–2002, US, animated) a.k.a. Evolution: the Animated Series (UK)
 * Amazing 3, The (1965–1966, Japan, animated)
 * Amazing Screw-On Head, The (2006, pilot, animated)
 * Android Announcer Maico 2010 (1998, Japan, animated)
 * Angel Links (1999, Japan, animated)
 * Ani*Kuri15 (2007–2008, Japan, animated short) (elements of science fiction in some episodes)
 * Aquaman (1968–1970, animated)
 * Aquatic Language (2002, Japan, short film, animated)
 * Archie's Weird Mysteries (1999–2000, animated)
 * Argai: The Prophecy a.k.a. Argaï: La prophétie (2000, France, animated)
 * Argevollen (2014, Japan, animated)
 * Aria (2005–2008, Japan, animated)
 * Armored Police Metal Jack (1981, Japan, animated)
 * Armored Trooper Votoms (1983–1984, Japan, animated)
 * Arpeggio of Blue Steel (2013, Japan, animated)
 * Astro Boy (franchise):
 * Astro Boy (1963–1966, Japan, animated)
 * Astro Boy (1980–1981, Japan, animated)
 * Astro Boy (2003–2004, Japan, animated)
 * Astroganger (1972–1973, Japan, animated)
 * Atomic Betty (2004–2008, Canada/France, animated)
 * Attack of the Killer Tomatoes: The Animated Series (1990–1992, animated)
 * Aura Battler Dunbine (1983–1984, Japan, animated)
 * Avenger (2003, Japan, animated)
 * Avengers, The (franchise):
 * Marvel's Avengers Assemble (2013–2019, animated)
 * Avengers: Earth's Mightiest Heroes, The (2010–2012, animated)
 * Avengers: United They Stand, The (1999–2000, animated)