Ancient Aliens · SEASON 20
Mystery of the Stone Spheres
Episode 10 · 2024-03-15

- Documentary
- Mystery
- Sci-Fi & Fantasy
Episode overview
Throughout the world there are mysterious ancient stones shaped into perfect spheres; many of them show clear evidence of being manmade and some completely defy explanation; the mystery of the stone spheres could provide clues about humankind's past.
60 minutes
Season 20 episodes
1. The Top Ten Alien Influencers2024-01-05
2. The Top Ten Extraordinary Creatures2024-01-12
3. The Top Ten Hidden Alien Bases2024-01-19
4. The Top Ten Scariest Encounters2024-02-02
5. The Top Ten Alien Codes2024-02-09
6. The Top Ten Alien Disasters2024-02-16
7. Secrets of the Sumerians2024-02-23
8. The UFO Superhighway2024-03-01
9. Mysteries of Scotland2024-03-08
10. Mystery of the Stone Spheres2024-03-15
11. Mysteries of the Maya2024-06-28
12. Unlocking the Stargates2024-07-05
13. The Whistleblowers2024-07-12
14. The Search for Extraterrestrial Intelligence2024-07-19
15. Jacques Vallée: UFO Pioneer2024-08-09
16. The Teachers2024-08-16
17. Egypt's Giant Tombs2024-08-23
18. The Linda Moulton Howe Files2024-08-30
19. The Chosen2024-09-06
20. Resurrecting Puma Punku2024-09-13