| Series name | First aired | Last aired |
|---|---|---|
| National Geographic Documentaries | 1965-09-10 | 2025-12-22 |
| American Experience | 1988-10-04 | 2026-01-06 |
| Survivorman | 2005-04-06 | 2016-01-04 |
| Frontline | 1983-01-17 | 2026-06-29 |
| Undercover Boss (US) | 2010-02-07 | 2022-04-08 |
| Doomsday Preppers | 2012-02-07 | 2014-08-28 |
| UFO Hunters | 2008-01-30 | 2009-10-29 |
| Anthony Bourdain: Parts Unknown | 2013-04-14 | 2018-11-11 |
| Hard Knocks | 2001-08-01 | 2026-09-01 |
| Nature | 1982-10-10 | 2026-10-28 |
| Natural World | 1983-10-30 | 2020-03-20 |
| Nathan for You | 2013-02-28 | 2017-11-09 |
| Treehouse Masters | 2013-05-31 | 2018-10-19 |
| Mysteries At The Museum | 2010-11-02 | 2019-04-17 |
| Fact or Faked: Paranormal Files | 2010-07-15 | 2012-07-03 |
| Wonders of the Universe | 2011-03-06 | 2011-03-27 |
| Who Do You Think You Are? | 2004-10-12 | 2026-08-06 |
| Louis Theroux | 2003-11-09 | 2025-04-27 |
| Alaska: The Last Frontier | 2011-12-29 | 2022-11-13 |
| Destination Truth | 2007-06-06 | 2012-08-14 |
| Cinemassacre's Monster Madness | 2007-10-01 | 2025-10-31 |
| The Dead Files | 2011-09-23 | 2023-10-19 |
| Ghost Hunters International | 2008-01-09 | 2012-04-04 |
| 1000 Ways to Die | 2008-05-14 | 2012-07-15 |
| James May's Man Lab | 2010-10-31 | 2013-04-25 |
| How the Earth Was Made | 2009-02-10 | 2010-03-02 |
| Deadliest Warrior | 2009-04-07 | 2011-09-14 |
| Drugs, Inc. | 2010-07-11 | 2015-12-30 |
| Ice Pilots NWT | 2009-11-18 | 2014-12-17 |
| Alone | 2015-06-18 | 2026-08-19 |
| History Channel Documentaries | 1994-01-07 | 2024-06-19 |
| Making a Murderer | 2015-12-18 | 2018-10-19 |
| James May's Toy Stories | 2009-10-27 | 2009-12-25 |
| Hotel Hell | 2012-08-13 | 2016-07-26 |
| The Untold History of the United States | 2012-11-12 | 2013-01-14 |
| Brain Games | 2011-10-09 | 2020-03-02 |
| Adam Ruins Everything | 2015-09-29 | 2019-10-01 |
| Africa (2013) | 2013-01-02 | 2013-02-06 |
| Discovery Channel Documentaries | 1988-01-15 | 2024-08-07 |
| Ultimate Factories | 2006-11-09 | 2013-11-22 |
| Inside the Actors Studio | 1994-06-12 | 2019-12-15 |
| Teen Mom 2 | 2011-01-11 | 2022-05-24 |
| Gardeners' World | 1968-01-05 | 2026-08-14 |
| Hoarders | 2009-08-17 | 2024-12-02 |
| Horrible Histories (2009) | 2009-04-16 | 2025-12-19 |
| Megastructures | 2004-09-15 | 2024-12-04 |
| Gadget Man | 2012-11-19 | 2015-06-22 |
| The Moaning of Life | 2013-10-20 | 2015-11-17 |
| 60 Minutes | 1968-09-24 | 2026-09-27 |
| The Blue Planet | 2001-09-12 | 2001-10-31 |