Series with titles starting with letter "M"
- Murder Rooms: Mysteries of the Real Sherlock Holmes (2000–2001)
- Murder Under the Friday Night Lights (2022–…)
- Murder, Mystery and My Family (2018–…)
- Murder, She Wrote (1984–1996)
- Murder, They Hope (2021)
- Murderers and Their Mothers (2016-…)
- Murderville (2022–…)
- Murdoch Mysteries (2008–…)
- Murphy Brown (1988–2018)
- Muscles & Mayhem: An Unauthorized Story of American Gladiators (2023)
- Museum Secrets (2011–…)
- Mushi-Shi (2005–2006)
- Music Box (2021-…)
- Mussolini: The Untold Story (1985)
- Muted (2023)
- Mutiny (2017)
- Muzzy in Gondoland (1987–…)
- My Adventures with Superman (2023–…)
- My Babysitter's a Vampire (2011–2012)
- My Brilliant Friend (2018–…)
- My Dad the Bounty Hunter (2023)
- My Dad the Rock Star (2003–2004)
- My Demon (2023-2024)
- My Design Rules (2020)
- My Fair Lady (2009)
- My Fair Wedding (2008–…)
- My Family (2000–2011)
- My First First Love (2019–…)
- My Girlfriend Is an Alien (2019–2022)
- My Happy Marriage (2023–…)