Season
- Season 4 2021-09-07
- Season 3 2008-10-26
- Season 2 2008-01-28
- Season 1 2007-03-02
- Season 0 2006-03-02
Episode
- Episode 1: Istanbul
- Episode 2: Scotland's Sin City
- Episode 3: Hitler's Underground Lair
- Episode 4: Rome's Hidden Empire
- Episode 5: Catacombs of Death
- Episode 6: City of Caves
- Episode 7: New York
- Episode 8: London's Lost Cities
- Episode 9: Beneath Vesuvius
- Episode 10: Freemason Underground
- Episode 11: Dracula's Underground
- Episode 12: Secret Pagan Underground
- Episode 13: Underground Bootleggers
- Episode 14: Rome: The Rise
Cities of the Underworld Season 1 Secret Pagan Underground
Don Wildman travels to the farthest and deepest reaches of the globe, using cutting-edge technology to explore mysteries buried deep underground.
