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Watch What on Earth? Season 9 Episode 9 Online

  • 6.5/10
  • COUNTRIES: United States of America
  • Subtitles: English,Français,Deutsch

When experts spot what appears to be an abandoned city in the Caspian Sea, they investigate declassified Cold War evidence to reveal an Atlantis-like city built by the Soviets; what they find exposes its long-lost secrets.