Season Two of Cities of the Underworld premiered on January 28, 2008.
Episodes
| # |
#
|
Title
|
|
|
Airdate
|
|
|
|
| 15 |
1
|
Underground Apocalypse
|
|
|
January 28, 2008
|
|
|
|
| 16 |
4
|
A-Bomb Underground
|
|
|
February 4, 2008
|
|
|
|
| 17 |
3
|
Vietnam
|
|
|
February 11, 2008
|
|
|
|
| 18 |
4
|
Viking Underground
|
|
|
February 25, 2008
|
|
|
|
| 19 |
5
|
Hitler's Last Secret
|
|
|
March 3, 2008
|
|
|
|
| 20 |
6
|
Maya Underground
|
|
|
March 10, 2008
|
|
|
|
| 21 |
7
|
Mob Underground
|
|
|
March 17, 2008
|
|
|
|
| 22 |
8
|
Prophecies from Below
|
|
|
March 24, 2008
|
|
|
|
| 23 |
9
|
New York: Secret Societies
|
|
|
March 31, 2008
|
|
|
|
| 24 |
10
|
Washington, DC: Seat of Power
|
|
|
April 14, 2008
|
|
|
|
| 25 |
11
|
Stalin's Secret Lair
|
|
|
April 21, 2008
|
|
|
|
| 26 |
12
|
Katrina Underground
|
|
|
April 28, 2008
|
|
|
|
| 27 |
13
|
Secret Soviet Bases
|
|
|
May 5, 2008
|
|
|
|
