Series with the first letter - "T"
- Three (2014–…)
- Three Busy Debras (2020–…)
- Three Lives Three Worlds, Ten Miles of Peach Blossom (2017)
- Three Pines (2022–…)
- Three Rivers (2009–2010)
- Three's Company (1976–1984)
- Thriller (1973–1976)
- Through the Wormhole (2010–2017)
- Thumbelina: A Magical Story (1992–…)
- Thunderbirds (2015–…)
- Thunderbirds (1965–1966)
- Thunderbirds Are Go (2015–…)
- Thundercats (2011–2012)
- Thundercats (1985–1989)
- ThunderCats Roar (2020–…)
- Tidelands (2018–…)
- Tidying Up with Marie Kondo (2019–…)
- Tierra de lobos (2010–2014)
- Tierra Incógnita (2022–…)
- Tiger & Bunny (2011–…)
- Tiger & Dragon (2005–…)
- Tiger King (2020)
- Tigtone (2018–…)
- Till the End of the Moon (2023)
- Time Hustler (2022–…)
- Time Machine (2004)
- Time of Honor (2008–…)
- Time Team (1994–2014)
- Time to Eat with Nadiya (2019–…)
- Timeless (2016–2018)