Series with the first letter - "A"
- A Series of Unfortunate Events (2017–…)
- A Stitch in Time (2018)
- A Storm for Christmas (2022–…)
- A Sun So Bright (2018–…)
- A Tale Dark & Grimm (2021)
- A Tale of Two Sisters (2015–…)
- A Teacher (2020–…)
- A to Z (2014–2015)
- A Touch of Cloth (2012–…)
- A Very British Scandal (2021–…)
- A Wilderness of Error (2020)
- A Wonderful Sight (2021–…)
- A Young Doctor's Notebook & Other Stories (2012–2013)
- A.D. (1985–…)
- A.D. The Bible Continues (2015)
- A.N.T. Farm (2011–2014)
- A.P. Bio (2018–…)
- Aaron Stone (2009–2010)
- Abandoned Engineering (2016–…)
- Abbott Elementary (2021–…)
- Abby Hatcher (2018–2021)
- Abby's (2019–…)
- ABC Afterschool Specials (1972–1997)
- ABC Close-Up! (1960–…)
- ABC Weekend Specials (1977–1995)
- Abhay (2019–…)
- About a Boy (2014–2015)
- Above Suspicion (2009–2012)
- Abraham Lincoln (2022)
- Absentia (2017–…)