Seasons and episodes
1Season 1 Mar. 02, 2007
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
2Season 2 Jan. 28, 2008
2 - 1Underground Apocalypse Jan. 28, 2008
2 - 2Vietnam Feb. 04, 2008
2 - 3A-Bomb Underground Feb. 11, 2008
2 - 4Viking Underground Feb. 25, 2008
2 - 5Hitler's Last Secret Mar. 03, 2008
2 - 6Maya Underground Mar. 10, 2008
2 - 7Mob Underground Mar. 17, 2008
2 - 8Prophecies From Below Mar. 24, 2008
2 - 9New York: Secret Societies Mar. 31, 2008
2 - 10Washington D.C.: Seat of Power Apr. 14, 2008
2 - 11Stalin's Secret Lair Apr. 21, 2008
2 - 12Katrina Underground Apr. 28, 2008
2 - 13Secret Soviet Bases May. 05, 2008
3Season 3 Oct. 26, 2008
3 - 1City Of Blood Oct. 26, 2008
3 - 2Tunnels Of Hell Nov. 02, 2008
3 - 3Real Mafia Underground Nov. 09, 2008
3 - 4Secret Sin City Nov. 16, 2008
3 - 5Hitler's Trenches Nov. 23, 2008
3 - 6Barbarians' Lair Dec. 01, 2008
3 - 7Land of Manson Dec. 08, 2008
3 - 8Gladiators: Blood Sport Dec. 15, 2008
3 - 9Secret Holy Land Dec. 22, 2008
3 - 10Under the Rock Jan. 12, 2009
3 - 11Tomb of the Lost Mummies Jan. 26, 2009
3 - 12Gods of War Feb. 02, 2009
3 - 13Alcatraz Down Under Feb. 09, 2009
4Season 4 Sep. 07, 2021
4 - 1Mayan Apocalypse Sep. 07, 2021
4 - 2America's Military Underground Sep. 14, 2021
4 - 3America's Unmapped Murder Tunnels Sep. 21, 2021
4 - 4America's Ancient Ancestors Sep. 28, 2021
4 - 5The Pirate Queen's Lair Oct. 05, 2021
4 - 6Templars and The Founding Fathers Oct. 12, 2021
4 - 7Secrets of the Ancient Metropolis Oct. 19, 2021
4 - 8The Lost Aztec Colony Oct. 26, 2021
Synopsis
Don Wildman travels to the farthest and deepest reaches of the globe, using cutting-edge technology to explore mysteries buried deep underground.
Original title Cities of the Underworld
TMDb Rating 7.9
First air date Mar. 02, 2007
Last air date Oct. 26, 2021
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