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Where To Watch Cities of the Underworld Season 4

  1. 1Mayan ApocalypseSeptember 7, 2021 · 8.8
  2. 2America's Military UndergroundSeptember 14, 2021 · 8.8
  3. 3Murder TunnelsSeptember 21, 2021 · 8.2
  4. 4America's Ancient AncestorsSeptember 28, 2021 · 8.8
  5. 5The Pirate Queen's LairOctober 5, 2021 · 8.6
  6. 6Templars And The Founding FathersOctober 12, 2021 · 8.4
  7. 7Secrets of the Ancient MetropolisOctober 19, 2021 · 8.8
  8. 8The Lost Aztec ColonyOctober 26, 2021 · 9.3