Ancient Aliens — Season 20

E01 The Top Ten Alien Influencers 05 Jan 2024 E02 The Top Ten Extraordinary Creatures 12 Jan 2024 E03 The Top Ten Hidden Alien Bases 19 Jan 2024 E04 The Top Ten Scariest Encounters 02 Feb 2024 E05 The Top Ten Alien Codes 09 Feb 2024 E06 The Top Ten Alien Disasters 16 Feb 2024 E07 Secrets of the Sumerians 23 Feb 2024 E08 The UFO Superhighway 01 Mar 2024 E09 Mysteries of Scotland 08 Mar 2024 E10 Mystery of the Stone Spheres 15 Mar 2024 E11 Mysteries of the Maya 28 Jun 2024 E12 Unlocking the Stargates 05 Jul 2024 E13 The Whistleblowers 12 Jul 2024 E14 The Search For Extraterrestrial Intelligence 19 Jul 2024 E15 Jacques Vallée: UFO Pioneer 09 Aug 2024 E16 The Teachers 16 Aug 2024 E17 Egypt's Giant Tombs 23 Aug 2024 E18 The Linda Moulton Howe Files 30 Aug 2024 E19 The Chosen 06 Sep 2024 E20 Resurrecting Puma Punku 13 Sep 2024