A
- The A-Team (1983–1987), action/ adventure
- ABC Afterschool Special (1972–1996), anthology
- Aaron Stone (2009–2010), adventure
- The Abbott and Costello Show (1952–1954), sitcom
- Abby (2003), sitcom
- Access Hollywood (September 9, 1996 – present), entertainment news
- Accidental Family (1967–1968), sitcom
- According to Jim (2001–2009), sitcom
- Ace Ventura: Pet Detective (1995–2000), cartoon
- Acme Hour (1998–2002), cartoon compilation
- Action (1999–2000), sitcom
- Adam-12 (1968–1975), police drama
- Adam-12 (1990–1991), police drama
- Adams of Eagle Lake (1975), crime drama
- The Addams Family (1964–1966), comedy
- The Addams Family (cartoon) (1973–1974), cartoon
- The Addams Family (cartoon) (1992–1993), cartoon
- Adventures in Paradise (1959–1962), adventure
- Adventures in Wonderland (1991–1995), children's
- The Adventures of Batman (1969), cartoon
- The Adventures of Brisco County, Jr. (1993–1994), western/ sci-fi
- The Adventures of Jimmy Neutron, Boy Genius (2002–2006), animated comedy
- The Adventures of Kit Carson (1951–1955), western
- The Adventures of Pete & Pete (1993–1996), children's comedy
- The Adventures of Rin Tin Tin (1954–1959), children
- Adventures of Sonic the Hedgehog (1993-1994), animated series
- The Adventures of Super Mario Bros. 3 (1990), animated series
- Adventures of Superman (1952–1958), action/adventure
- AfterMASH (1983–1985), sitcom
- Against the Wall, (July 31, 2011 – present), crime drama
- The Agency (2001–2003), drama
- Airwolf (1984–1987), adventure
- Alias (2001–2006), drama/action
- Alias Smith and Jones (1971–1973), western/comedy
- ALF (1986–1990), sitcom/fantasy
- Alfred Hitchcock Presents (1955–1965), anthology
- Alice (1976–1985), sitcom
- Aliens in America (2007–2008), sitcom
- All About the Andersons (2003–2004), sitcom
- All About Us (2001), sitcom
- All American Girl (1994–1995), comedy
- All in the Family (1971–1979), sitcom
- All My Children (1970–2011), soap opera
- All of Us (2003–2007), sitcom
- All Souls (2001), horror
- All That Glitters (1977), sitcom/ soap
- All's Fair (1976–1977), sitcom
- Ally (1999), sitcom
- Ally McBeal (1997–2002), dramedy
- Almost Anything Goes (1975–1978), game show
- The Alvin Show (1961-1962), animated
- The Amanda Show (1999–2002), comedy/variety
- Amanda's (1983), sitcom
- The Amazing Race (September 5, 2001 – present), reality/game show
- The Amazing Spider-Man (1977–1979), action/adventure
- Amazing Stories (1985–1987), science fiction
- Amen (1988–1991), sitcom
- American Bandstand (1952–1989), music/dance
- American Chopper (2003–2010), reality
- American Dad! (February 6, 2005 – present), animated comedy
- American Dragon: Jake Long (2005–2007), cartoon
- American Dreamer (1990–1991), sitcom
- American Dreams (2002–2005), musical drama
- American Gladiators (1989–1993), sports/ game show
- American Gladiators (2008), sports/ game show
- American Idol (June 11, 2002 – present), reality/talent competition
- American Juniors (2003), reality/talent competition
- American Ninja Warrior (December 12, 2009 – present), sports/reality show
- The Americans (1961), drama
- America's Best Dance Crew (February 7, 2008 – present), reality/talent competition
- America's Funniest Home Videos (January 14, 1990 – present), reality
- America's Got Talent (June 21, 2006 – present), reality/talent competition
- America's Most Wanted (1988–2011), news/reality
- America's Next Top Model (May 20, 2003 – present), reality/ talent competition
- America's Next Great Restaurant (2011), cooking/ reality
- Amos 'n' Andy (1951–1953), comedy
- Anchorwoman (2007), comedy/ reality
- Anderson Cooper 360° (September 8, 2003 – present), news/ talk
- Andromeda (2000–2005), sci-fi
- Andy Barker, P.I. (2007), sitcom
- The Andy Dick Show (2001–2003), sketch comedy
- The Andy Griffith Show (1960–1968), comedy
- The Andy Milonakis Show (2005–2007), comedy
- Andy Richter Controls the Universe (2002–2003), sitcom
- The Andy Williams Show (1959–1971), variety
- Andy's Gang (1955-1960), children's show
- Angel (1999–2004), supernatural drama/thriller
- Angelina Ballerina
- Angelina Ballerina: The Next Steps
- The Angry Beavers
- Angie (1979–1980), sitcom
- Animaniacs (1993–1998), cartoon
- The Ann Sothern Show (1958–1961), sitcom
- Another World (1964–1999), soap opera
- Antiques Roadshow (1997 – present), PBS
- Any Day Now (1998–2002), drama
- Anything but Love (1989–1992), sitcom
- Apple's Way (1974–1975), drama
- The Apprentice (January 8, 2004 – present), reality
- The Apprentice: Martha Stewart (2005), reality
- Aqua Teen Hunger Force (December 30, 2000 – present), cartoon
- Aquaman (1968–1970), cartoon
- Aquaman (2006), action/ adventure
- Archer (2009), action/ adventure
- Archie Bunker's Place (1979–1983), sitcom
- The Archie Show (1968–1969), animated comedy
- Archie's TV Funnies (1971–1973), cartoon
- Are You Afraid of the Dark (1991–2000), horror/fantasy
- Are You Smarter Than a 5th Grader? (2007–2009), game show
- Are You Smarter Than a 5th Grader? (syndicated) (2009–2011), game show
- Ark II (1976), Science Fiction
- Arli$$ (1996–2002), comedy
- Army Wives (June 3, 2007 – present), drama
- Around the Horn (November 4, 2002 – present), sports talk
- Arrested Development (2003–2006), sitcom
- Arthur (September 2, 1996 – present), cartoon
- Arthur Godfrey and His Friends (1949–1959), variety
- Arthur Godfrey's Talent Scouts (1946–1958), variety
- As If (2002), comedy
- As the World Turns (1956–2010), soap opera
- The Ashlee Simpson Show (2003–2004), reality
- Astro Boy (1963–1966), cartoon
- Astro Boy (1980–1981), cartoon
- The Atom Ant/Secret Squirrel Show (1967–1968), cartoon
- Average Joe (2003–2005), reality
- Augie Doggie and Doggie Daddy (1959–1961), cartoon
- Austin & Ally (December 4, 2011 – present), teen sitcom
- Austin City Limits (1976 – present), music
- Avatar: The Last Airbender (2005–2008), animated/action
- Ax Men (March 9, 2008 – present), documentary/ reality
- Awake, crime drama
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