- Our Precious Hope: St. Louis' Little Jane Doe Revisited
NR | Documentary/Special
- On the Trail of Bigfoot: The Legend
NR | Documentary/Special
- Origins on the Road: Sedona
NR | Documentary/Special
- Our Neighbors In Nehou
NR | Documentary/Special
- The Oland Murder
NR | Documentary/Crime
- One Nation Under Dog
NR | Documentary/Special
- Operation Valkyrie: The Plot to Kill Hitler
NR | History/Documentary
- On the Trail of UFOs
NR | Documentary
- Opeka
NR | Documentary/Special
- The Oldest Vine
NR | Documentary/Special
- On the Trail of... Bigfoot
NR | Miniseries/Documentary
- Our America: Climate of Hope
NR | Documentary/Special
- Outrageous 911
NR | Documentary
- Outdoor Idaho
NR | Outdoors/Documentary
- Osiyo, Voices of the Cherokee People
NR | Documentary
- Odysseus Returns
NR | Documentary
- Out of the Cradle
NR | Documentary/Special
- Outback Adventures
NR | Animals/Travel
- The Origami Code
NR | Science/Documentary
- Old World Homes
NR | Documentary/House/garden
- On the Trail of UFOs: Night Visitors
NR | Science/Science fiction
- Over the Edge: Steep Creek Kayaking
NR | Documentary/Special
- The Oxygen Experiment: Hypoxia
NR | Documentary/Special
- OG Stories
NR | Documentary
- Out of the Boondocks
NR | Documentary
- Operation Lost Boy
NR | Miniseries/Documentary
- Ocean Resurrection
NR | Documentary/Nature
- Onekotan: The Lost Island
NR | Documentary/Adventure
- Over the Edge
NR | Documentary/Surfing
- OJ Unseen: Exploitation Of Evil
NR | Documentary
- Operation Torch
NR | Documentary/War
- Operation Lusty: Hunt for the First Nazi Jet
NR | Documentary/Special
- Outer Space
NR | Documentary
- One to One: John & Yoko
NR | Documentary/Biography
- One October: A Nightmare in Las Vegas
NR | Documentary/Special