Discover what has been Tukufu's favourite mystery after 10 seasons of History Detectives.
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- Extended Interview: Former Captain John McNish John McNish, a former Captain on the USS Thresher talks to Gwen.
- Aerial Photography Tukufu finds out more about the history of aerial photography.
- GAR Photograph Discover what has been Elyse's favourite reveal after 10 seasons of History Detectives.
- Extended Interview: Alfred Red Cloud Gwen speaks to Alfred Red Cloud, chief of the Lakota.
- Collecting Autographs Elyse checks out autograph hunters.
- Extended Interview: More on Thomas Jefferson Historian Jennings Wagoner talks about Thomas Jefferson.