Season 4

Episodes

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  • 8 episodes
    8 episodes
    • s4e8Defending the Truth
      June 4, 2016
    • s4e7Striking It Rich
      May 28, 2016
    • s4e6Bonus Round: Saluting the Truth
      May 21, 2016
    • s4e5Engineering America
      May 14, 2016
    • s4e4Tales of Sea and Sky
      May 7, 2016
    • s4e3The Great Escape
      April 30, 2016
    • s4e2Discovering America
      April 23, 2016
    • s4e1Epic Inventions
      April 16, 2016