Cities of the Underworld backdrop
Documentary

The Best Episodes of Cities of the Underworld Season 4

Every episode of Cities of the Underworld Season 4 ranked from best to worst. Discover the Best Episodes of Cities of the Underworld Season 4!

Binge this in 5h 44m•Peaking at 7.9/10

Don Wildman travels to the farthest and deepest reaches of the globe, using cutting-edge technology to explore mysteries buried deep underground.

Airs on
HistoryPlanète+ A&E
BestEpisodes
WorstEpisodes
BestSeasons
AllEpisodes

Seasons4

All1234

Episode Rankings

  1. #1 Fan Favorite
    Cities of the Underworld Season 4 Episode 5 - The Pirate Queen's Lair
    7.9/10(12 votes)

    S4:E5

    Don explores newly discovered ruins and caves in Croatia as he uncovers the true story of a formidable queen who dared to defy the mighty Roman Empire.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  2. Cities of the Underworld Season 4 Episode 8 - The Lost Aztec Colony
    7.9/10(10 votes)

    S4:E8

    Don follows the clues hidden underground as he searches for evidence of 10,000 Aztecs who fled Mexico and disappeared somewhere in America.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  3. Cities of the Underworld Season 4 Episode 7 - Secrets of the Ancient Metropolis
    7.7/10(8 votes)

    S4:E7

    Don explores the massive underground cities in the mountains of Turkey that may have been home to the first civilization on Earth.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  4. Cities of the Underworld Season 4 Episode 6 - Templars and The Founding Fathers
    6.9/10(11 votes)

    S4:E6

    Don goes deep beneath a Knights Templar stronghold in Turkey to explore a provocative theory that may link the fabled secret society to the founding fathers of America. English

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  5. Cities of the Underworld Season 4 Episode 1 - Mayan Apocalypse
    6.8/10(19 votes)

    S4:E1

    Don Wildman explores deep below ancient ruins as he searches for clues pointing to the true fate of the once-mighty Mayan empire.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  6. Cities of the Underworld Season 4 Episode 3 - America's Unmapped Murder Tunnels
    6.5/10(17 votes)

    S4:E3

    Don uses brand-new mapping technology to expose the dark and deadly uncharted spaces beneath American cities. He explores the criminal underworld below Portland, Oregon; Seattle, Washington; Chicago, Illinois; and Los Angeles, California.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

    7. Trending NowTRENDING NOW

    The 20 BEST Episodes of Cities of the Underworld

    READ
  7. Cities of the Underworld Season 4 Episode 4 - America's Ancient Ancestors
    6.4/10(19 votes)

    S4:E4

    Don goes deep beneath the great lakes and explores flooded caves as he searches for evidence of a mysterious, cave-dwelling society that may have been the first people to reach America.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  8. Cities of the Underworld Season 4 Episode 2 - America's Military Underground
    6.3/10(16 votes)

    S4:E2

    Don explores top-secret military and government tunnels and looks into classified technology that could be used to build entire cities... right under our feet.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

Season 4 Ratings Summary

"The Pirate Queen's Lair" is the best rated episode of "Cities of the Underworld" season 4. It scored 7.9/10 based on 12 votes. Directed by Unknown and written by Unknown, it aired on 10/5/2021. This episode is rated 0.0 points higher than the second-best, "The Lost Aztec Colony".