Cities of the Underworld: Season 1
This season started on March 2, 2007. The table lists episodes with recorded air dates up to September 28, 2026.
| Ep | Title and air date | My place |
|---|---|---|
| 1 | Istanbul · 43 min | |
| 2 | Scotland's Sin City · 43 min | |
| 3 | Hitler's Underground Lair · 43 min | |
| 4 | Rome's Hidden Empire · 43 min | |
| 5 | Catacombs of Death · 43 min | |
| 6 | City of Caves · 43 min | |
| 7 | New York · 43 min | |
| 8 | London's Lost Cities · 43 min | |
| 9 | Beneath Vesuvius · 43 min | |
| 10 | Freemason Underground · 43 min | |
| 11 | Dracula's Underground · 43 min | |
| 12 | Secret Pagan Underground · 43 min | |
| 13 | Underground Bootleggers · 43 min | |
| 14 | Rome: The Rise · 43 min |
