- S1.E0 ∙ Istanbul
- S1.E1 ∙ Scotland's Sin City
- S1.E2 ∙ Hitler's Underground Lair
- S1.E3 ∙ Rome's Hidden Empire
- S1.E4 ∙ Catacombs of Death
- S1.E5 ∙ City of Caves
- S1.E6 ∙ New York
- S1.E7 ∙ London's Lost Cities
- S1.E8 ∙ Beneath Vesuvius
- S1.E9 ∙ Freemason Underground
- S1.E10 ∙ Dracula's Underground
- S1.E11 ∙ Secret Pagan Underground
- S1.E12 ∙ Underground Bootleggers
- S1.E13 ∙ Rome: The Rise
- S2.E1 ∙ Underground Apocalypse
- S2.E2 ∙ Vietnam
- S2.E3 ∙ A-Bomb Underground
- S2.E4 ∙ Viking Underground
- S2.E5 ∙ Hitler's Last Secret
- S2.E6 ∙ Maya Underground
- S2.E7 ∙ Mob Underground
- S2.E8 ∙ Prophecies from Below
- S2.E9 ∙ New York: Secret Societies
- S2.E10 ∙ Washington, D.C.: Seat of Power
- S2.E11 ∙ Stalin's Secret Lair
- S2.E12 ∙ Katrina
- S2.E13 ∙ Secret Soviet Bases
- S3.E1 ∙ City of Blood
- S3.E2 ∙ Okinawa: Tunnels of Hell
- S3.E3 ∙ Real Mafia Underground
- S3.E4 ∙ Secret Sin City
- S3.E5 ∙ Hitler's Trenches
- S3.E6 ∙ Barbarian's Lair
- S3.E7 ∙ Land of Manson
- S3.E8 ∙ Gladiators: Blood Sport
- S3.E9 ∙ Secret Holy Land
- S3.E10 ∙ Under the Rock
- S3.E11 ∙ Tomb of the Lost Mummies
- S3.E12 ∙ Gods of War
- S3.E13 ∙ Alcatraz Down Under
- S3.E14 ∙ The JFK Assassination
Cities of the Underworld (2007)
Genre: Documentary , History
Actor:Don Wildman , Eric Geller , Sirin Akinci , Ashraf El-Maghrabi , Cengiz Korkmaz , Ahmed Abdel Hadi , Hasan Oral , Ahmed Abdel Razik , Ferudun Özgümüs , Zahi Hawass , Murat Öztürk , Ali Pasa , Çimen Filiz Pasa , Cemal Pulak , Bora Sertbas , Luis Fernandez-Gil , François Mequer , Timothy Ingrassia
