- I'm Goin' Home
TV-G | History/Special
- In Search of History
TV-G | History/Documentary
- Iowa: An American Portrait
TV-G | History/Special
- In Search of Walt Whitman
TV-G | History/Miniseries
- Images of the Civil War
TV-G | History/Documentary
- Inside the CIA: Secrets & Spies
NR | History/Documentary
- The Inquisition
NR | History/Religious
- Ice Age America
NR | History/Documentary
- Israel Unfiltered
NR | History/War
- Inside Hitler's Killing Machine
NR | History
- The Incas Remembered
NR | History/Documentary
- In Search of Doc Holliday
NR | History/Documentary
- Instruments of Death
NR | History/Documentary
- Inside North Korea
NR | History/Documentary
- Inquisition
NR | History/Educational
- Impossible Escapes: Civil War
NR | History/Documentary
- In Pursuit of Philadelphia History
NR | History/Special