Watch Underground Railroad: The Secret History (2022) Free Online

Archaeologists and historians use cutting-edge technology to investigate and explore some of the biggest mysteries surrounding the Underground Railroad, a secret network that helped enslaved African Americans escape to freedom.

Underground Railroad: The Secret History is a 2022 documentary TV series starring Clark Johnson. The series has 1 season and 4 episodes.

  • First aired: 2022-01-30
  • Seasons: 1
  • Episodes: 4
  • Status: Returning Series
  • Genres: Documentary

Underground Railroad: The Secret History cast

Clark Johnson

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