- Modern Marvels
TV-14 | History/Science
- Most Evil
TV-14 | Science/Biography
- Mythical Beasts
TV-14 | Science
- Moon Landing: The Lost Tapes
TV-14 | Science/American history
- March of the Elephants
NR | Animals/Nature
- Mysteries of the Abandoned: Animal Uprising
NR | Animals/Documentary
- Mythbusters: Mythbusters Vs. Jaws
NR | Animals/Nature
- Most Wanted Sharks
NR | Animals/Documentary
- The Mystery of the Giant Birds
NR | Documentary/Nature
- Melaverde
NR | Travel/Community
- México Biodiverso
NR | Nature
- Mystery of the Celtic Tomb
NR | History/Science
- Makozilla
NR | Animals/Documentary
- Mammals
NR | Documentary/Nature
- Madagascar
NR | Documentary/Nature
- The Moor
NR | Documentary/Nature
- Metamorphosis
NR | Nature
- Mega Predators of Oz
NR | Science/Action
- México biocultural
NR | Environment/Community
- Meet the Marsupials
NR | Documentary/Nature
- Magical Iceland
NR | Documentary/Nature
- Mars Pa More!
NR | Science
- Mathemagics
NR | Science/Educational
- Mountains in Taiwan
NR | Travel/Community
- Madman of the Sea
NR | Reality/Nature
- The Many Worlds of Quantum Mechanics
NR | Science/Documentary
- My Best Friend's An Animal
NR | Animals/Documentary
- Mars: The Journey
NR | Science/Special
- The Mating Game
NR | Miniseries/Documentary
- My Wild Backyard
NR | Documentary/Nature
- Mystery Signal From Space
NR | Science/Documentary
- Monkey Mayhem
NR | Documentary/Nature
- The Monkey Trial
NR | Science/Documentary
- Miniverse
NR | Science/Special
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