6.3/10 by 22 users
More than 80% of the Earth's oceans remain unexplored, and in many ways, the underwater world is the final frontier. As new technology allows us to explore oceans and deep lakes more than ever before, what will we find? Will we discover profound secrets about the oceans? Underwater ruins that were lost for thousands of years? Or perhaps something even more extraordinary?
- Released: Jan 01, 1970
- Runtime: 00:43:14 minutes
- Genre: Documentary
- Stars: William Shatner
- Network: History
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Se-4 Ep-1. Mysterious Ancient Ruins 2022-04-01
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Se-4 Ep-2. The Mystery of Genius 2022-04-01
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Se-4 Ep-3. What Lies Below? 2022-04-08
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Se-4 Ep-4. Secrets of Abandoned Places 2022-04-15
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Se-4 Ep-5. Acts of God 2022-04-22
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Se-4 Ep-6. Serial Killer Creatures 2022-05-06
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Se-4 Ep-7. Mysterious Tombs 2022-05-13
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Se-4 Ep-8. Uncanny Curses 2022-05-20
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Se-4 Ep-9. Superhuman Feats 2022-05-27
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Se-4 Ep-10. Mysteries of the Missing Link 2022-06-03
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Se-4 Ep-11. Surviving the Impossible 2022-06-10
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Se-4 Ep-12. The Search For King Arthur 2022-06-24
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Se-4 Ep-13. Wonders of the Ancient World 2022-10-07
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Se-4 Ep-14. The Hunt For Jack The Ripper 2022-10-14
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Se-4 Ep-16. Real Life Monsters 2022-10-28
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Se-4 Ep-17. America's Lost Treasures 2022-11-04
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Se-4 Ep-19. Secrets of the Founding Fathers 2022-11-25
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Se-4 Ep-20. The Weird Wild West 2022-12-02
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Se-4 Ep-21. Devastating Disasters 2022-12-09
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Se-4 Ep-22. Mysterious Monoliths 2022-12-16
