Ancient Aliens · SEASON 22
Extraterrestrial Engineering
Episode 4 · 2026-02-05

- Documentary
- Mystery
- Sci-Fi & Fantasy
Episode overview
Host Giorgio Tsoukalos probes the series archives to explore remarkable ancient structures that defy conventional explanation. From the precisely cut stone blocks at Puma Punku, to the gigantic temples of Malta, and the megalithic city of Nan Madol, could these mysterious sites contain evidence of extraterrestrial contact in the distant past?
42 minutes
Season 22 episodes
1. Skulls of the Gods2026-01-15
2. Egypt's Lost Pyramids2026-01-22
3. Island of the Gods2026-01-29
4. Extraterrestrial Engineering2026-02-05
5. UFO Hot Spots2026-02-26
6. Mysterious Monuments2026-03-05
7. Underwater Alien Bases2026-06-11
8. Secrets of the Vedas2026-06-18
9. Wars of the Gods2026-06-25
10. UFO Sightings2026-07-02
11. Alien A.I.2026-07-09
12. Hidden Messages2026-07-16
13. Secrets of the Amazon2026-07-23
14. Alien Investigators2026-07-30
15. Africa's Extraterrestrial Contact2026-08-06