Watch S2:E9 — New York: Secret Societies — Cities of the Underworld

Cities of the Underworld

S2 · E9 — New York: Secret Societies

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S2:E9 · New York: Secret Societies

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Episodes

13 episodes in this season

E1

Underground Apocalypse

43 min

E2

Vietnam

43 min

E3

A-Bomb Underground

43 min

E4

Viking Underground

43 min

E5

Hitler's Last Secret

43 min

E6

Maya Underground

43 min

E7

Mob Underground

43 min

E8

Prophecies From Below

43 min

E9

Now Playing

New York: Secret Societies

43 min

E10

Washington D.C.: Seat of Power

43 min

E11

Stalin's Secret Lair

43 min

E12

Katrina Underground

43 min