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Where To Watch Beyond the Unknown Season 4

  1. 1Woolly Mystery, Lost Nazi Gold Train and The Plot to Kill the PopeMarch 10, 2021
  2. 2Serial Mourner, Ground Zero Flag and Jefferson's WineMarch 17, 2021
  3. 3Mysterious Lord Lucan, Lecce Labyrinth and Wicked StepmotherMarch 24, 2021
  4. 4Black Widow, Lost Inca City and Genius SyndromeApril 7, 2021
  5. 5Death of Princess Di, Titanic Hustle and Fish OddityApril 14, 2021
  6. 6Glacier Inferno, Sea Serpent Cecil and Boogie BombApril 21, 2021
  7. 7Gangster Frankenstein, Oregon Desert Mystery and Ghost GirlsApril 28, 2021
  8. 8Operation Fantasia, Jolly Jane and Parting of the Red SeaMay 5, 2021
  9. 9The Girl Who Fell to Earth, Challenger Disaster and Centennial BulbMay 12, 2021
  10. 10Hitler Diaries, Cliff Palace and Project AzorianMay 19, 2021
  11. 11Bloody Benders, LA Raid and Tully MonsterMay 26, 2021
  12. 12Dueling Mammoths, Stanford Prison Experiment and MIT BlackjackJune 2, 2021
  13. 13Demise of the Dodo, Disappearance of Glenn Miller and Terror in the SkyJune 9, 2021
  14. 14Beast of Bodmin, The Day Niagara Shut Off and Hitler in HollywoodJune 16, 2021