Join or Sign In
Sign in to customize your TV listings
By joining TV Guide, you agree to our Terms of Use and acknowledge the data practices in our Privacy Policy.
A series examining historical events and people still surrounded in mystery and uncertainty.
There are no TV Airings of History's Secrets in the next 14 days.
Add History's Secrets to your Watchlist to find out when it's coming back.
Check if it is available to stream online via "Where to Watch".