Ancient Aliens

10 Best Episodes of Ancient Aliens - Season 18

Ancient Aliens is a popular show on the History Channel that has been airing since 2010. The show focuses on the theory that intelligent beings from outer space visited Earth thousands of years ago. With 23 seasons, it can be tough to decide which episodes are the best. Fortunately, viewers have ranked some of the best episodes from the show. These episodes are the perfect way to delve deeper into the questions, speculations, and theories surrounding this age-old debate.

Written by Sophie and last updated on mar 08, 2023.

PS: The following content contains spoilers!

PPS: I will admit that parts of this page was written with the help of AI - it makes my work so much easier to not start from a blank page!

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Ancient Aliens - S18E15

#15 - Ancient Aliens On Location: Mysterious Artifacts (Season 18 - Episode 15)

The team investigates the world's oldest and most incredible relics up close; Giorgio Tsoukalos takes a look back at the most mysterious artifacts from all over the globe, those he believes provide undeniable proof of extraterrestrial contact.

The episode was rated 7.31 from 72 votes.

Ancient Aliens - S18E16

#14 - Ancient Aliens on Location: Evidence of Alien Life (Season 18 - Episode 16)

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Ancient Aliens has followed investigators across the globe as they’ve gone directly to the sites where signs of alien life have been found. Now, Giorgio Tsoukalos takes a look back at the most incredible evidence ever uncovered that could offer definitive proof that we are not alone in the universe.

The episode was rated 7.40 from 81 votes.

Ancient Aliens - S18E14

#13 - Ancient Aliens On Location: The UFO Investigations (Season 18 - Episode 14)

Ancient Aliens has met with eyewitnesses and traveled to the sites of incredible UFO incidents reported all over the world. Now, Giorgio Tsoukalos takes a look back at the most compelling investigations of all, and events that he believes represent real encounters with extraterrestrial visitors.

The episode was rated 7.40 from 70 votes.

Ancient Aliens - S18E13

#12 - Ancient Aliens on Location: The Alien Glyphs (Season 18 - Episode 13)

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Ancient Aliens has examined the oldest and most mysterious rock art on Earth up close, and Giorgio Tsoukalos takes a look back at the incredible hieroglyphs, petroglyphs, and geoglyphs that he believes tell a worldwide story of alien visitation.

The episode was rated 7.41 from 81 votes.

Ancient Aliens - S18E5

#11 - Recovering The Ark Of The Covenant (Season 18 - Episode 5)

Some 2,600 years ago, the most sacred relic of the ancient world suddenly disappeared from history: The Ark of the Covenant. Could descriptions of the Ark's incredible power reveal that it was a highly advanced technological device? And if found, will it provide undeniable proof of humanity's extraterrestrial past?

The episode was rated 7.44 from 154 votes.

Ancient Aliens - S18E1

#10 - The Disclosure Event (Season 18 - Episode 1)

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In 2021, the United States government broke a 70-year precedent of denying UFOs and released a groundbreaking report on Unidentified Aerial Phenomena. Are we on the brink of full government disclosure about the strange objects witnessed in our skies? And if so, will we soon discover that they are, in fact, of extraterrestrial origin?

The episode was rated 7.44 from 184 votes.

Ancient Aliens - S18E9

#9 - Decoding the Dragon Gods (Season 18 - Episode 9)

Throughout the ancient world, tales are told of fire-breathing dragons; though fearsome, they have been worshipped as the bringers of great knowledge and credited as the founders of civilization.

The episode was rated 7.46 from 111 votes.

Ancient Aliens - S18E10

#8 - The Time Benders (Season 18 - Episode 10)

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Today, more people than ever before believe that Unidentified Flying Objects are of alien origin. But if extraterrestrials have come to Earth from lightyears away, could they be capable of bending both time and space? Might it even be possible that the UFOs in our skies are not visitors from other planets, but from our own future?

The episode was rated 7.48 from 118 votes.

Ancient Aliens - S18E11

#7 - Ancient Aliens On Location: Incredible Structures (Season 18 - Episode 11)

Ancient Aliens has traveled to many mysterious sites that seem to defy explanation. Now, Giorgio Tsoukalos takes a look back at some of the most incredible structures we’ve visited all over the world. Structures that, as far as Giorgio is concerned, provide undeniable evidence of extraterrestrial contact.

The episode was rated 7.48 from 95 votes.

Ancient Aliens - S18E18

#6 - The Journey to Immortality (Season 18 - Episode 18)

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Ancient cultures around the world often referred to the gods as the “Immortals” — but could they have encountered extraterrestrial beings that had achieved eternal life? And if these visitors genetically engineered the human race, as Ancient Astronaut Theorists suggest, is it our destiny to become immortals as well?

The episode was rated 7.61 from 90 votes.

Ancient Aliens - S18E3

#5 - Beneath the Sacred Temples (Season 18 - Episode 3)

Some of the world's most iconic sacred temples were built atop the ruins of structures that are far more ancient. What compelled early humans to rebuild in the same places again and again? Do these locations hold special power? And could they be points of ancient alien contact?

The episode was rated 7.61 from 150 votes.

Ancient Aliens - S18E2

#4 - Mystery of the Standing Stones (Season 18 - Episode 2)

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It is one of the greatest mysteries of the prehistoric world: why did people on nearly every continent erect giant standing stones? According to Ancient Astronaut Theorists, the placement of these monoliths and their geological makeup could point to extraterrestrial intervention--and. quite possibly, a technology that once existed on Earth far more advanced than our own.

The episode was rated 7.66 from 146 votes.

Ancient Aliens - S18E19

#3 - Secrets of Inner Earth (Season 18 - Episode 19)

In the nearly 2,000-year-old text called “The Zohar”, there is a curious passage that describes hidden realms beneath the surface of the Earth–each of which is said to be populated by both human and non-human intelligences. Is it possible that we are not alone–even on our own planet?

The episode was rated 7.67 from 96 votes.

Ancient Aliens - S18E4

#2 - The World on Alert (Season 18 - Episode 4)

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Across the globe, high-ranking government officials are openly talking about Unidentified Aerial Phenomena. But why now? Ancient Astronaut theorists suggest the evidence has become too great to ignore–and the truth about an extraterrestrial presence on Earth will soon be revealed.

The episode was rated 7.80 from 164 votes.

Ancient Aliens - S18E20

#1 - Return of the Egyptian Gods (Season 18 - Episode 20)

In the 20th century, a mysterious British woman who claimed to be the reincarnation of an ancient Egyptian priestess shocked Egyptologists by accurately locating countless structures and artifacts in the Nile Valley. Could it be that she was carrying out an otherworldly agenda–and preparing for the return of the Egyptian gods?

The episode was rated 7.92 from 108 votes.

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