Ancient Aliens Season 20 Episode Scripts
Season 20
1. The Top Ten Alien Influencers2. The Top Ten Extraordinary Creatures
3. The Top Ten Hidden Alien Bases
4. The Top Ten Scariest Encounters
5. The Top Ten Alien Codes
6. The Top Ten Alien Disasters
7. Secrets of the Sumerians
8. The UFO Superhighway
9. Mysteries of Scotland
10. Mystery of the Stone Spheres
11. Mysteries of the Maya
12. Unlocking The Stargates
13. The Whistleblowers
14. The Search for Extraterrestrial Intelligence
15. Jacques Vallée: UFO Pioneer
16. The Teachers
17. Egypt's Giant Tombs
18. The Linda Moulton Howe Files
19. The Chosen
20. Resurrecting Puma Punku