Series with the first letter - "T"
- The Big Sky (2020–…)
- The Bionic Woman (1976–1978)
- The Birch (2019–…)
- The Bisexual (2018–…)
- The Black Adder (1982–1983)
- The Black Church: This Is Our Story, This Is Our Song (2021–…)
- The Blacklist (2013–…)
- The Bletchley Circle (2012–2014)
- The Bletchley Circle: San Francisco (2018–…)
- The Blue Bicycle (2000–…)
- The Blue Planet (2001)
- The Blue Whisper (2022–…)
- The Blues (2003)
- The Boarding School (2007–2010)
- The Boat (2011–2013)
- The Bob Newhart Show (1972–1978)
- The Body Farm (2011–2012)
- The Bold Type (2017–…)
- The Bonfire of Destiny (2019–…)
- The Book of Boba Fett (2021–…)
- The Book of Pooh (2001–2004)
- The Book of the Three Hans (2006–2007)
- The Boondocks (2005–2014)
- The Booth at the End (2011–…)
- The Border (2014–…)
- The Borgias (2011–2013)
- The Boss Baby: Back in Business (2018–…)
- The Boulet Brothers' Dragula: Titans (2022–…)
- The Box (2021–…)
- The Boys (2019–…)