List of science fiction television programs, J

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

J
Live-action
 * Jack of All Trades (2000)
 * Jake 2.0 (2003–2004)
 * Jason of Star Command (1978–1979, Tarzan and the Super 7 segment)
 * Jekyll (2007, UK)
 * Jensen Project, The (2010, film)
 * Jeopardy (2002–2004, Scotland/Australia)
 * Jeremiah (2002–2004)
 * Jericho (2006–2008)
 * Joe 90 (1968–1969, UK, puppetry)
 * John Doe (2002)
 * Johnny Jupiter (1953)
 * Journey of Allen Strange, The (1997–2000)
 * Journey to the Center of the Earth (franchise):
 * Journey to the Center of the Earth (1989, film)
 * Journey to the Center of the Earth (1993, film) IMDbIMDb external.png
 * Journey to the Center of the Earth (1999, miniseries) IMDbIMDb external.png
 * Journey to the Center of the Earth (2008, film)
 * Journeyman (2007)
 * Jupiter Moon (1990, UK)
 * Justice League of America (1997, pilot, film)

Animated
 * J9 (franchise):
 * Braiger (1981–1982, Japan, animated)
 * Baxingar (1982–1983, Japan, animated)
 * Sasuraiger (1983–1984, Japan, animated)
 * Jayce and the Wheeled Warriors (1985, France/Canada/Japan, animated)
 * Jetsons, The (1962–1963, 1985–1987, animated)
 * Jetter Mars (1977, Japan, animated)
 * Jimmy Two-Shoes (2009–2011, Canada/UK/US, animated)
 * Jing: King of Bandits (2002, Japan, animated)
 * Johnny Test (2005–2014, animated)
 * Jonny Quest (franchise):
 * Real Adventures of Jonny Quest, The (1996–1999, animated)
 * Jonny Quest vs. The Cyber Insects (1995, animated, film, New Adventures of Jonny Quest, The sequel)
 * Jonny's Golden Quest (1993, animated, film, New Adventures of Jonny Quest, The sequel)
 * New Adventures of Jonny Quest, The (1986–1987, animated, Jonny Quest sequel)
 * Jonny Quest (1964–1965, animated)
 * Josie and the Pussycats in Outer Space (1972, animated)
 * Journey to the Center of the Earth (franchise):
 * Journey to the Center of the Earth (1967, animated)
 * A Journey to the Center of the Earth (1977, Australia, animated) IMDbIMDb external.png
 * Journey to the Center of the Earth (1996, Canada, animated) IMDbIMDb external.png
 * Journey to the Center of the Earth (2001, France, animated) IMDbIMDb external.png
 * Jushin Liger (1989–1990, Japan, animated)
 * Justice League (franchise):
 * Justice League (2001–2004, animated)
 * Justice League Unlimited (2004–2006, animated)
 * Young Justice (2010–2013, animated)
 * Justice League Action (2016–2018, animated)
 * Jyu-Oh-Sei (2006, Japan, animated)