- History's Greatest Mysteries
TV-PG | History/Documentary
- How the Universe Works
TV-PG | Science/Documentary
- Hoarders
TV-PG | Reality/Health
- Her Voice Carries
TV-PG | Documentary/Special
- Help Desk
TV-PG | Documentary
- Her War, Her Story: World War II
TV-PG | Documentary/Special
- Haunted Case Files
TV-PG | Documentary/Paranormal
- How Disney Built America
TV-PG | History/Documentary
- Hillbilly: The Real Story
TV-PG | Documentary/Special
- Harry and Meghan: What's Next?
TV-PG | Documentary/Special
- Hidden Hong Kong
TV-PG | Documentary/Special
- Hitler's Secret Tunnels
TV-PG | History/Documentary
- Homegrown: The Counter-Terror Dilemma
TV-PG | Documentary/Special
- Hot Rods and Muscle Cars
TV-PG | Documentary/Auto
- Hotel Paranormal
TV-PG | Documentary/Paranormal
- Heart of the Osa & Sandcastle: The Secret Life of Potter Wasps
TV-PG | Documentary/Nature
- How She Rolls
TV-PG | Documentary/Cooking
- Hulk Hogan: Fortune Fight
TV-PG | Documentary/Special
- Habla y habla - Part 2
TV-PG | Documentary/Special
- HI-VIS: Ten Years of Public Art
TV-PG | Documentary/Special
- Have Guitar Will Travel World
TV-PG | Travel/Documentary
- Hidden Belize
TV-PG | Travel/Documentary
- Hidden Louisiana
TV-PG | Documentary/Special
- Hostile Planet
TV-PG | Documentary/Nature
- The Humbler -- Danny Gatton
TV-PG | Documentary/Biography
- The Hunt
TV-PG | Documentary/Nature
- Hitler's Secret Bomb
TV-PG | History/Documentary
- Holy Grail in America
TV-PG | History/Religious
- Hunting Atlantis
TV-PG | History/Reality
- Heart of the Osa
TV-PG | Documentary/Nature
- Hamilton: Building America
TV-PG | History/Documentary
- Hunt for the Giant Squid
TV-PG | Documentary/Nature
- The Hunt for John Wilkes Booth
TV-PG | History/Documentary
- Hunting Hitler
TV-PG | History/Documentary
- Hollywood Idols
TV-PG | Biography
- Hope in the Struggle: The Josie Johnson Story
TV-PG | Documentary/Special
- Hurricane Man
TV-PG | Weather/Documentary
- Hoteles increíbles
TV-PG | Travel/Documentary
- Human Footprint
TV-PG | Documentary
- Habla Ya, Part I
TV-PG | Comedy/Documentary
- How the Earth Was Made
TV-PG | History/Science
- Haunted Hospitals
TV-PG | Documentary/Paranormal
- High Hitler
TV-PG | History/Documentary
- Hunt for the Missing: Chicago
NR | Documentary/Crime
- How the Nazis Lost the War
NR | History/Documentary
- The History of Jewish Los Angeles
NR | History/Religious
- Hero Dogs
NR | Animals/Documentary
- High Life: Forest Canopy
NR | Documentary/Special
- Habla Ya, Part II
NR | Comedy/Documentary
- Headwaters Down: Tidal River
NR | Environment/Documentary
- Hidden UK
NR | Documentary/Nature
- He Killed Them All? The Robert Durst Investigation
NR | Documentary/Crime
- How Did They Fix That?
NR | Documentary
- Hitler's British Island
NR | Documentary
- The Hillside Strangler
NR | Documentary
- A History of the World in Six Glasses
NR | History/Comedy
- Hello! NHK WORLD-JAPAN
NR | Documentary
- Hannah Montana 20th Anniversary Special
NR | Documentary/Music
- How to Build a City
NR | History/Documentary
- Hollywood: The Great Stars
NR | Documentary/Special
- Heart of the Matter
NR | Documentary
- The History of English
NR | History/Documentary
- Hombre vs. León
NR | Animals/Documentary
- Había una vez
NR | Documentary/Special
- History by the Numbers
NR | History/Documentary
- Ho'omau: Joey's Journey
NR | Documentary
- High Alert
NR | Documentary/Crime
- Heval
NR | Documentary/Special
- Historia de la vida
NR | Science/Animals
- Hollywood: No Sex, Please
NR | History/Documentary
- Himari: A Rising Violin Virtuoso
NR | Entertainment/Documentary
- The Honey Trap: A True Story of Love, Lies and the FBI
NR | Documentary/Special
- How Machines Work
NR | Science/Documentary
- Himalayan Tsunami
NR | Documentary/Special
- How the Earth Made Man
NR | Science/Miniseries
- Healing the Harm on Buffalo's East Side
NR | Documentary/Special
- Habla Mas
NR | Documentary/Special
- Heroines
NR | Documentary
- Horizon
NR | Science/Documentary
- Haiti On Fire
NR | Documentary/Special
- History Uncovered
NR | History/Documentary
- Hot Roads: The World's Most Dangerous Roads
NR | Documentary
- History Vault: The President Has Been Shot
NR | History/Documentary
- Higher Octaves: Celebrating Women Voices in the Arts
NR | Documentary/Special
- Hercules and the Conquest of Cinema
NR | Documentary/Special
- History Remembers George H.W. Bush
NR | History/Biography
- How America Works
NR | Documentary
- History's Greatest Warriors
NR | Documentary
- Harold Shipman
NR | Documentary/Biography
- Hometown Stories
NR | Community/Documentary
- Hupa Fire: Traditional and Cultural Fire Management
NR | Documentary
- Hiseerie
NR | Documentary/Paranormal
- HGTV Urban Oasis 2020
NR | Documentary/Special
- Historias por Contar
NR | News/Community
- Hunted by My Husband: The Untold Story of the DC Sniper
NR | Documentary/Crime
- Harlem Globetrotters: America's Greatest Show
NR | Documentary/Special
- Humans Vs. Everything
NR | Comedy/Documentary
- The Hunt for the Slave Ship Guerrero
NR | History/Documentary
- Heavy Metal Task Force
NR | Documentary/Technology
- History of the Yankees
NR | Baseball/Documentary