| Long Way Down [Series] |
| Long Way Up [Series] |
| Lorena [Series] |
| Lorena, Light-Footed Woman |
| Lost Speedways [Series] |
| Love on the Spectrum [Series] |
| Lucy the Human Chimp |
| Luke Bryan: My Dirt Road Diary [Series] |
| LuLaRich [Series] |
| Ma Rainey's Black Bottom: A Legacy Brought to Screen |
| Magic Trip |
| Maiden |
| Making a Murderer [Series] |
| Making the Witcher |
| Making Unorthodox |
| Maradona in Mexico [Series] |
| Margaret Atwood: A Word After a Word After a Word is Power |
| Maria by Callas |
| Marvel Hero Project [Series] |
| Marvel Studios Assembled: The Making of WandaVision [Series] |
| Marvel Studios: Expanding the Universe |
| Marvel Studios: Legends [Series] |
| Marvel's 616 [Series] |
| Marvel's Behind the Mask |
| Marvel: 75 Years, from Pulp to Pop! |
| Mary J. Blige's My Life |
| McCartney 3, 2, 1 [Series] |
| McMillion$ [Series] |
| MeatEater [Series] |
| Medal of Honor [Series] |
| Meet the Chimps [Series] |
| Memories of a Murderer: The Nilsen Tapes |
| Merchants of Doubt |
| Mercury 13 |
| Michael Jackson's This is It |
| Michael Phelps: Medals, Memories & More [Series] |
| Misha and the Wolves |
| Missing 411 |
| Money Heist: From Tokyo to Berlin [Series] |
| Money Heist: The Phenomenon |
| Money, Explained [Series] |
| Monster in the Shadows [Series] |
| Monsters Inside: The 24 Faces of Billy Milligan [Series] |
| Move [Series] |
| Mucho Mucho Amor: The Legend of Walter Mercado |
| Murder Among the Mormons [Series] |
| Murder by the Coast |
| Murder on Middle Beach [Series] |
| Murder to Mercy: The Cyntoia Brown Story |
| Music Box [Series] |
