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

B

Live-action

• Babylon 5 (franchise):
  • Babylon 5 (1993–1998)
  • Babylon 5: A Call to Arms (1999, fourth film)
  • Babylon 5: In the Beginning (1998, first film)
  • Babylon 5: The Gathering (1993, pilot)
  • Babylon 5: The Legend of the Rangers (2002, spin-off film)
  • Babylon 5: The Lost Tales (2007, anthology)
  • Babylon 5: The River of Souls (1998, third film)
  • Babylon 5: Thirdspace (1998, second film)
  • Crusade (1999, Babylon 5 spin-off)
• Batman (franchise):
  • Batman (1966–1968)
• Battlestar Galactica (franchise):
  • Battlestar Galactica (1978–1979)
  • Galactica 1980 (1980, Battlestar Galactica 1978 spin-off)
  • Battlestar Galactica (2004–2009)
  • Battlestar Galactica (2003, miniseries)
  • Battlestar Galactica: Razor (2007, film)
  • Battlestar Galactica: The Plan (2009, film)
  • Caprica (2010–2011, Battlestar Galactica 2004 prequel)
  • Battlestar Galactica: Blood & Chrome (2011, pilot)
• Baywatch Nights (1995–1997) (elements of science fiction in season 2 episodes)
• Beacon 23 (2023-present)
• Being Erica (2009–2011, Canada)
• Ben 10 (franchise):
  • Ben 10: Race Against Time (2007, film)
  • Ben 10: Alien Swarm (2009, film)
• Benji, Zax and the Alien Prince (1983)
• Beyond Re-Animator (2003, film)
• Beyond Reality (1991–1993) (elements of science fiction in some episodes)
• Beyond Westworld (1980)
• Big Bad Beetleborgs a.k.a. Beetleborgs Metallix (1996–1998)
• Big Pull, The (1962, UK)
• Bigfoot and Wildboy (1977)
• Bio Planet WoO (2006, Japan)
• Bionic Woman (franchise):
  • Bionic Woman, The (1976–1978)
  • Bionic Woman (2007)
• Birds of Prey (2002–2003)
• Black Mirror (2011–present, UK, anthology)
• Black Scorpion (2001)
• Blake's 7 (1978–1981)
• Black Lightning (2018–2021)
• Blindpassasjer (1978, Norway)
• Blood Drive (2017)
• Blue Thunder (1984)
• Borealis (2013, pilot, Canada) IMDb
• Boy from Andromeda, The (1991, New Zealand, miniseries)^[1] IMDb
• BrainDead (2016)
• Brave New World (1998, film)
• Brick Bradford (1947)
• Brimstone (1998)
• Buck Rogers in the 25th Century (1979–1981)
• Buffy the Vampire Slayer (1997–2003) (elements of science fiction, primarily in seasons 4 and 6)
• Bugs (1995–1999, UK)
• Bunker, or Learning Underground (2006–2007, Russia)
• Burning Zone, The (1996–1997)

Animated

• Babel II (franchise):
  • Babel II (1973, Japan, animated)
  • Babel II: Beyond Infinity (2001, Japan, animated)
• Back to the Future: The Animated Series (1991–1992, animated)
• Batman (franchise):
  • Batman/Superman Hour, The (1968–1969, animated)
  • Adventures of Batman and Robin the Boy Wonder, The (1969–1970, animated)
  • New Adventures of Batman, The (1977–1981, animated)
  • Batman: The Animated Series (1992–1995, animated)
  • New Batman Adventures, The a.k.a. TNBA (1997–1999, Batman: The Animated Series sequel, animated)
  • Batman Beyond (1999–2001, animated)
  • Batman, The (2004–2008, animated)
  • Batman: The Brave and the Bold (2008–2011, animated)
  • Beware the Batman (2013–2014, animated)
• BattleTech: The Animated Series (1994, animated)
• Battletoads (1992, Canada/US, special, pilot, animated)
• Ben 10 (franchise):
  • Ben 10 (2005–2008, animated)
  • Ben 10: Secret of the Omnitrix (2007, animated, film)
  • Ben 10: Alien Force (2008–2010, animated)
  • Ben 10: Ultimate Alien (2010–2012, animated)
  • Ben 10: Destroy All Aliens a.k.a. Ben 10: Alien Dimensions (2012, film, animated)
  • Ben 10: Omniverse (2012–2014, animated)
  • Ben 10 (2016–2021, animated)
• Big Guy and Rusty the Boy Robot, The (1999–2001, animated)
• Big O, The (1999–2000, 2003, Japan, animated)
• Biker Mice from Mars (franchise):
  • Biker Mice from Mars (1993–1996, animated)
  • Biker Mice from Mars (2006–2007, animated)
• Bill & Ted's Excellent Adventures (1990–1991, animated)
• Bionic Six (1987–1989, animated)
• Birdman and the Galaxy Trio (1967–1969, animated)
• Black Heaven (1999, Japan, animated)
• Black Panther (2010, animated)
• Blassreiter (2008, Japan, animated)
• Blocker Gundan 4 Machine Blaster (1976–1977, Japan, animated)
• Blue Comet SPT Layzner (1985–1986, Japan, animated) a.k.a. Blue Meteor SPT Layzner (US)
• Blue Drop: Tenshitachi no Gikyoku (2007, Japan, animated)
• Blue Gender (1999–2000, Japan, animated)
• Bodacious Space Pirates (2012, Japan, animated)
• Bokurano (2007, Japan, animated)
• Bounty Hamster (2003, animated)
• Brats of the Lost Nebula (1998–1999, animated, puppetry)
• Brave series (franchise)
  • Brave Exkaiser (1990–1991, Japan, animated)
  • Brave Fighter of Sun Fighbird, The (1991–1992, Japan, animated)
  • Brave Fighter of Legend Da-Garn, The (1992–1993, Japan, animated)
  • Brave Express Might Gaine, The (1993–1994, Japan, animated)
  • Brave Police J-Decker (1994–1995, Japan, animated)
  • Brave of Gold Goldran, The (1995–1996, Japan, animated)
  • Brave Command Dagwon (1996–1997, Japan, animated)
  • King of Braves GaoGaiGar, The (1997–1998, Japan, animated)
  • Betterman (1999, Japan, animated)
  • King of Braves GaoGaiGar Final -Grand Glorious Gathering-, The (2005, Japan, animated)
• BraveStarr (1987–1988, animated)
• Bubblegum Crisis Tokyo 2040 (1998–1999, Japan, animated)
• Bucky O'Hare and the Toad Wars (1991, UK/US, animated)
• Buddy Complex (2014, Japan, animated)
• Bureau of Alien Detectors (1996, animated)
• Burst Angel (2004, Japan, animated)
• Buzz Lightyear of Star Command (2000–2002, animated)