- How It's Made
TV-G | Science/Documentary
- How Do Animals Do That?
TV-G | Science/Animals
- Hearts of Heroes
TV-G | Reality/Science
- History Detectives
TV-G | History/Science
- Hope in the Wild
TV-G | Reality/Animals
- Head Rush
TV-G | Science
- How the Earth Made Man
NR | Science/Miniseries
- Horizon
NR | Science/Documentary
- Hunting Fish
NR | Reality/Entertainment
- The Hunt for Dark Matter
NR | Science/Special
- Hard Truths of Conservation
NR | Science/Animals
- Hidden UK
NR | Documentary/Nature
- Hombre vs. León
NR | Animals/Documentary
- Hidden Australia
NR | Documentary/Nature
- How Sex Changed the World
NR | Science/Documentary
- The Horn
NR | Nature/Adventure
- Hyper Detonating Megablast Supercharged Super Fuel Yule Log
NR | Science/Entertainment
- The Humboldt Current
NR | Documentary/Nature
- History of the Space Program in Photos
NR | Science/Documentary
- The Health of Our Oceans
NR | Science/Documentary
- Hubble -- Eye in the Sky
NR | Science/Special
- Heavy Lifting
NR | Science