1 - 1Istanbul Mar. 02, 2007- 1 - 2Scotland's Sin City Apr. 23, 2007
- 1 - 3Hitler's Underground Lair Apr. 30, 2007
- 1 - 4Rome's Hidden Empire May. 07, 2007
- 1 - 5Catacombs of Death May. 14, 2007
- 1 - 6City of Caves May. 21, 2007
- 1 - 7New York Jun. 04, 2007
- 1 - 8London's Lost Cities Jun. 11, 2007
- 1 - 9Beneath Vesuvius Jun. 18, 2007
- 1 - 10Freemason Underground Jun. 25, 2007
- 1 - 11Dracula's Underground Jul. 09, 2007
- 1 - 12Secret Pagan Underground Jul. 16, 2007
- 1 - 13Underground Bootleggers Jul. 23, 2007
- 1 - 14Rome: The Rise Jul. 30, 2007
