Series with the first letter - "T"
- The Z Virus (2017–…)
- The Zeta Project (2001–2003)
- Theatre Macabre (1971–1972)
- Theatre Night (1985–…)
- Then You Run (2023–…)
- Theodosia (2022–…)
- Thermae Romae Novae (2022–…)
- These Black Black Eyes (2022–…)
- They Took Our Child: We Got Her Back (2015–…)
- Thicker Than Water (2014–…)
- Thieves of the Wood (2018–…)
- Third Watch (1999–2005)
- Thirteen (2016)
- Thirtysomething (1987–1991)
- This Close (2018–…)
- This Country (2017–…)
- This England (2022)
- This Fool (2022–…)
- This Giant Beast That is the Global Economy (2019–…)
- This Is England '86 (2010)
- This Is England '88 (2011)
- This Is England '90 (2015)
- This Is Going to Hurt (2022–…)
- This Is Life with Lisa Ling (2014–…)
- This Is Us (2016–…)
- This Way Up (2019–…)
- Thomas Jefferson (1997–…)
- Those Who Can't (2016–…)
- Those Who Kill (2014)
- Those Who Kill (2011–…)