Ancient Aliens - Season 20
Run Time: 42 mins
Air Date: Fri, 5 Jan 2024
Average Rating: ⭐ 6.977 (286 votes)
History20 Episodes
The Top Ten Alien Influencers
Season 20 - Episode 1
Did a biblical patriarch receive instructions from 200 Angels high above the earth? Were the ancient Greeks taught how to work metal by a ra...
The Top Ten Extraordinary Creatures
Season 20 - Episode 2
For more than a decade, Ancient Aliens has collected dozens of reports of encounters with strange and mysterious beasts. Now, Ancient Astron...
The Top Ten Hidden Alien Bases
Season 20 - Episode 3
Counting down the top 10 locations around the world that may be hiding alien bases, including a cavern beneath the ice of Antarctica, a lake...
The Top Ten Scariest Encounters
Season 20 - Episode 4
This episode promises a countdown of the most unsettling and enigmatic incidents that suggest possible visitations from beings beyond our wo...
The Top Ten Alien Codes
Season 20 - Episode 5
Ancient Aliens is counting down ten of the most intriguing--and mysterious--symbols and codes found across the globe that just might contain...
The Top Ten Alien Disasters
Season 20 - Episode 6
Ancient Aliens is counting down the top ten most devastating disasters ever documented that might have an otherworldly connection, from a fl...
Secrets Of The Sumerians
Season 20 - Episode 7
More than 7,000 years ago, the ancient Sumerians established what is considered the world's first civilization and they credited their extra...
The UFO Superhighway
Season 20 - Episode 8
Along the Earth's north 37th parallel there have been so many reports of unidentified flying objects, animal mutilations, and other mysterio...
Mysteries of Scotland
Season 20 - Episode 9
For thousands of years, Scotland has been an epicenter of otherworldly phenomena; it is home to mysterious ancient stone circles, stories of...
Mystery of the Stone Spheres
Season 20 - Episode 10
Throughout the world there are mysterious ancient stones shaped into perfect spheres; many of them show clear evidence of being manmade and ...
Mysteries of the Maya
Season 20 - Episode 11
Considered by many to be the greatest civilization in the history of the Americas, the Maya thrived for more than 2,000 years. Now, new evid...
Unlocking the Stargates
Season 20 - Episode 12
For thousands of years, cultures around the world have held a belief in stargates through which beings have traveled to Earth from distant p...
The Whistleblowers
Season 20 - Episode 13
For decades, incredible claims have been made about an extraterrestrial presence on Earth, and the government has gone to great lengths to d...
The Search For Extraterrestrial Intelligence
Season 20 - Episode 14
For thousands of years, humankind has attempted to make contact with beings from beyond Earth; now, the search for extraterrestrial intellig...
Jacques Vallée: UFO Pioneer
Season 20 - Episode 15
Dr. Jacques Vallée has many scientific degrees, is a best-selling author and is regarded as one of the internet's founding fathers. But he i...
The Teachers
Season 20 - Episode 16
Stories of god-like beings providing instruction to early humans, helping establish the first civilizations; exploring if mysterious figures...
Egypt's Giant Tombs
Season 20 - Episode 17
Deep beneath the sands of Egypt lie 24 enormous sarcophagi, and every one of them is empty; discussing what purpose those giant tombs had se...
The Linda Moulton Howe Files
Season 20 - Episode 18
For more than four decades, award-winning journalist Linda Moulton Howe has covered the most mysterious phenomena on Earth. Could her invest...
The Chosen
Season 20 - Episode 19
From biblical patriarchs to modern day alien abductees, throughout history, there have been people who claimed to have contact with otherwor...
Resurrecting Puma Punku
Season 20 - Episode 20
Puma Punku in Bolivia features stone blocks, each carved with precision; the blocks lie scattered across the landscape, confusing archaeolog...