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- 1American Maya SecretsDecember 21, 2012 · 9.0
- 2Medieval Desert MysteryDecember 28, 2012
- 3Great Lakes Copper HeistJanuary 4, 2013
- 4Giants in MinnesotaJanuary 11, 2013 · 9.0
- 5A Deadly SacrificeJanuary 18, 2013 · 7.3
- 6Stonehenge in AmericaJanuary 25, 2013 · 9.0
- 7Mystery of RoanokeFebruary 1, 2013 · 9.0
- 8Chamber HuntingFebruary 8, 2013
- 9Motive for MurderFebruary 15, 2013
- 10The Desert CrossFebruary 22, 2013
- 11Tracking the TemplarsMarch 1, 2013
- 12America's Oldest SecretMarch 8, 2013 · 9.0
- 13Hunt for the Holy GrailMarch 15, 2013