Series with the first letter - "T"
- The Miniaturist (2017)
- The Minutes Collection (2017)
- The Miracle (2018–…)
- The Missing (2014–…)
- The Mist (2017)
- The Mole (2022–…)
- The Monkees (1966–1968)
- The Moon Rising River (2021–…)
- The Morning Show (2019–…)
- The Mosquito Coast (2021–…)
- The Most Dangerous Animal of All (2020–…)
- The Most Hated Man on the Internet (2022–…)
- The Motive (2020–2021)
- The Movies (2019)
- The Movies That Made Us (2019–…)
- The Mr. Men Show (2008–2009)
- The Munsters (1964–1966)
- The Muppet Show (1976–1981)
- The Muppets. (2015–2016)
- The Murders (2019–…)
- The Musketeers (2014–2016)
- The Mysteries of Laura (2014–2016)
- The Mysterious Benedict Society (2021–…)
- The Mysterious Cities of Gold (1982–1983)
- The Mystery of Edwin Drood (2012–…)
- The Mystery of Matter: Search for the Elements (2015–…)
- The Naked Director (2019–…)
- The Name of the Rose (2019–…)
- The Nanny (1993–1999)
- The Nature of Things (1960–…)