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