2016 | 8 Episodes

Season 1 of Declassified: Untold Stories of American Spies premiered on June 19, 2016.

2017 | 8 Episodes

Season 2 of Declassified: Untold Stories of American Spies premiered on July 22, 2017.

2019 | 8 Episodes

Season 3 of Declassified: Untold Stories of American Spies premiered on September 29, 2019.