| Kevin Hart's Guide to Black History |
| Klaus |
| Launchpad Presents: Dinner is Served |
| Launchpad Presents: Growing Fangs |
| Launchpad Presents: The Last of the Chupacabras |
| Life in Color with David Attenborough [Series] |
| Life in Pieces [Series] |
| Life Overtakes Me |
| Lighting the Olympic Flame: Iconic Ceremony Moments |
| Lionheart |
| Little Women {PBS 2018} [Series] |
| Lives Well Lived |
| Lost in Space [Series] |
| Lost Speedways [Series] |
| Love, Guaranteed |
| Ma Rainey's Black Bottom: A Legacy Brought to Screen |
| Mad About You [Series] |
| Maggie Simpson in 'Playdate with Destiny' |
| Maggie Simpson in 'The Force Awakens from its Nap' |
| Magic of Disney's Animal Kingdom [Series] |
| Marlon [Series] |
| Marvel Hero Project [Series] |
| Marvel Studios Assembled: The Making of WandaVision [Series] |
| Marvel Studios: Expanding the Universe |
| Marvel: 75 Years, from Pulp to Pop! |
| Masters of the Universe: Revelation [Series] |
| Meet the Chimps [Series] |
| Melody Time |
| Mercury 13 |
| Merry Happy Whatever [Series] |
| Michael Phelps: Medals, Memories & More [Series] |
| Miss Scarlet and the Duke [Series] |
| Monk [Series] |
| Monster Hunter: Legends of the Guild |
| Mothers of the Bride |
| Mr. Mayor [Series] |
| Muppets Now [Series] |
| My Dog, the Thief |
| My Heroes Were Cowboys |
| My Little Pony: A New Generation |
| My Love: Six Stories of True Love [Series] |
| My Next Guest with David Letterman and Shah Rukh Khan |
| Nailed It! Holiday! [Series] |
| Nailed It! [Series] |
| Nature's Half Acre |
| NCIS [Series] |
| Next Gen |
| Night on Earth [Series] |
| Nightbooks |
| Notes on Blindness |
