- Outdoor Journal
NR | Outdoors/Nature
- Oops I Changed the World
NR | Science
- Outdoor Idaho
NR | Outdoors/Documentary
- The Origami Code
NR | Science/Documentary
- OutSCIder Classroom
NR | Science/Environment
- Our Violent Sun
NR | Science/Special
- Operation Ouch!
NR | Science/Medical
- Origins
NR | Science/Religious
- One Way Astronaut: Dying 33 Million Miles From Home
NR | Science/Special
- Oddities: San Francisco
NR | Science
- Once Lab
NR | Science/Educational
- Ocean Resurrection
NR | Documentary/Nature