Watch Ancient Aliens Season 21 Episode 4 Online — The Top Ten Unexplained Technologies | Bobina

Ancient Aliens — Season 21, episode 4 watch online

  • TV Series: Ancient Aliens
  • Seasons: Season 21
  • Episode 4: «The Top Ten Unexplained Technologies»
  • Air date: February 28, 2025
  • Running time: 60 min

Ancient Aliens, season 21 episode 4 «The Top Ten Unexplained Technologies»: air date February 28, 2025. Episode overview, season trailer and the cast of Ancient Aliens.

Ancient Aliens is counting down ten of the most astonishing--and unexplainable--technologies in history. From mysterious golden orbs discovered in Mexico, to a sacred wooden box that could communicate with the heavens, and an ancient tomb that is said to depict an astronaut, might these sensational artifacts be evidence of otherworldly contact?

Episodes — Season 21

  1. 1 Episode 1 «The Top Ten Extraordinary Discoveries» February 7, 2025
  2. 2 Episode 2 «The Top Ten Mysterious Monoliths» February 14, 2025
  3. 3 Episode 3 «The Top Ten UFO Crashes» February 21, 2025
  4. 4 Episode 4 «The Top Ten Unexplained Technologies» February 28, 2025
  5. 5 Episode 5 «The Top Ten Secret Projects» March 7, 2025
  6. 6 Episode 6 «The Top Ten Mysterious Mountains» March 14, 2025
  7. 7 Episode 7 «Mysteries of the Aztecs» March 21, 2025
  8. 8 Episode 8 «The Glowing Orb Phenomenon» March 28, 2025
  9. 9 Episode 9 «The Legacy Of J. Allen Hynek» August 29, 2025
  10. 10 Episode 10 «The Volcano Factor» September 5, 2025
  11. 11 Episode 11 «The Birdman Mystery» September 12, 2025
  12. 12 Episode 12 «The Abduction Files» September 19, 2025
  13. 13 Episode 13 «The Giants» October 2, 2025
  14. 14 Episode 14 «Aliens In Our Midst» October 9, 2025
  15. 15 Episode 15 «Britain's UFO Files» October 16, 2025
  16. 16 Episode 16 «Mysteries Of The Norse Gods» October 23, 2025
  17. 17 Episode 17 «Secrets Of Japan» November 6, 2025