- Menghayati!
TV-G | Nature
- Maestros de las abejas
TV-G | Animals/Environment
- Mission Unstoppable
TV-G | Science/Educational
- MacGillivray Freeman's Coral Reef Adventure
TV-G | Documentary/Nature
- Meerkat Manor
TV-G | Animals/Documentary
- Mighty Ships
TV-G | Science
- Mutual of Omaha's Wild Kingdom Protecting the Wild
TV-G | Science/Animals
- Mama Twiga: In the Garden of Eden
TV-G | Animals/Nature
- March of the Elephants
NR | Animals/Nature
- Mythbusters: Mythbusters Vs. Jaws
NR | Animals/Nature
- The Mystery of the Giant Birds
NR | Documentary/Nature
- México Biodiverso
NR | Nature
- Mysteries of the Abandoned: Animal Uprising
NR | Animals/Documentary
- Most Wanted Sharks
NR | Animals/Documentary
- Mar adentro
NR | Animals/Nature
- Mega Predators of Oz
NR | Science/Action
- Meet the Marsupials
NR | Documentary/Nature
- Macaque Island
NR | Animals/Documentary
- Mars Pa More!
NR | Science
- Mathemagics
NR | Science/Educational
- Madman of the Sea
NR | Reality/Nature
- The Many Worlds of Quantum Mechanics
NR | Science/Documentary
- Mystery of the Celtic Tomb
NR | History/Science
- Makozilla
NR | Animals/Documentary
- Mammals
NR | Documentary/Nature
- The Moor
NR | Documentary/Nature
- My Best Friend's An Animal
NR | Animals/Documentary
- Mars: The Journey
NR | Science/Special
- My Wild Backyard
NR | Documentary/Nature
- The Mating Game
NR | Miniseries/Documentary
- Mystery Signal From Space
NR | Science/Documentary
- Monkey Mayhem
NR | Documentary/Nature
- Miniverse
NR | Science/Special
- The Monkey Trial
NR | Science/Documentary