The BEST episodes of Ancient Aliens season 2

Every episode of Ancient Aliens season 2, ranked from best to worst by thousands of votes from fans of the show. The best episodes of Ancient Aliens season 2!

Explores the controversial theory that extraterrestrials have visited Earth for millions of years. From the age of the dinosaurs to ancient Egypt, from early cave drawings to continued mass sightings in the US, each episode gives historic depth to the questions, speculations, provocative controversies, first-hand accounts and grounded theories surrounding this age old debate. Did intelligent beings from outer space visit Earth thousands of years ago?

Last Updated: 4/27/2024Network: HistoryStatus: Continuing
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Aliens and the Third Reich
star
7.74
1180 votes

#1 - Aliens and the Third Reich

Season 2 - Episode 5 - Aired 11/25/2010

If ancient aliens visited Earth in the remote past, could they have given us advanced technology, past down through human history? And could this technology have helped the Third Reich build mysterious weapons and crafts far beyond the limits of 20th century science?

Watch Now:AmazonApple TV
Underground Aliens
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7.72
999 votes

#2 - Underground Aliens

Season 2 - Episode 4 - Aired 11/18/2010

If extraterrestrials influenced human history, can evidence of their existence be found in hidden tunnels and caverns around the world? Could a cave in Ecuador contain metallic books inscribed with secrets of alien technology? Was an ancient underground city in Turkey built with alien help... or as a refuge from an alien attack?

Writer: James Goldin
Watch Now:AmazonApple TV
Gods & Aliens
star
7.65
1117 votes

#3 - Gods & Aliens

Season 2 - Episode 2 - Aired 11/4/2010

Myths and legends have long been regarded as fantastic stories that describe powerful gods, mutant giants and fearsome monsters. But why do so many different cultures, separated by vast distances, tell the same stories? Is it possible that myths and legends were really eyewitness accounts of ancient astronauts descending to Earth?

Watch Now:AmazonApple TV
Mysterious Places
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7.59
1295 votes

#4 - Mysterious Places

Season 2 - Episode 1 - Aired 10/28/2010

Mysterious places can be found around the Earth, and, inexplicably, UFOs are often sited near these mystical areas. Planes and ships unaccountably disappear in the infamous Bermuda Triangle. Strange magnetic anomalies in Mexico's Zone of Silence have not only drawn missiles off their course, but seem to pull meteorites out of the sky.

Watch Now:AmazonApple TV
Alien Contacts
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7.56
932 votes

#5 - Alien Contacts

Season 2 - Episode 10 - Aired 12/30/2010

If ancient aliens visited Earth, were they responsible for catastrophes, wars and other deadly disasters to control the fate of the human race? Did aliens leave messengers for us to find years later. ..

Watch Now:Apple TV
Underwater Worlds
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7.51
1097 votes

#6 - Underwater Worlds

Season 2 - Episode 3 - Aired 11/11/2010

Ancient underwater cities can be found around the globe, but could these aquatic worlds be the ruins of unknown civilizations--or even proof of extraterrestrial visitations? The infamous tale of the long lost city of Atlantis may be a preserved memory of an ancient alien metropolis.

Watch Now:Apple TV
Unexplained Structures
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7.47
1070 votes

#7 - Unexplained Structures

Season 2 - Episode 8 - Aired 12/16/2010

If ancient aliens visited Earth, can evidence of their existence be found in the mysterious structures that still stand throughout the world?

Watch Now:Apple TV
Alien Tech
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7.46
1072 votes

#8 - Alien Tech

Season 2 - Episode 6 - Aired 12/2/2010

Super-heated death rays... High-tech rockets... Powerful sonic weapons... Are these examples of modern day science or could these technologies have originated thousands of years ago? Is it possible that early man possessed scientific knowledge far beyond that of our own century? Ancient texts, folklore and art suggest humans witnessed disc-shaped flying machines and fire-spewing chariots. Could these be accounts of flying saucers and rocket ships? And if so, was advanced technology left here by visitors from the stars? Did mankind's quest to unlock the secrets of levitation, anti-gravity and laser technology merely spring from our imaginations or did these ideas come from otherworldly beings?

Watch Now:Apple TV
Alien Devastations
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7.45
996 votes

#9 - Alien Devastations

Season 2 - Episode 9 - Aired 12/23/2010

If ancient aliens visited Earth, were they responsible for catastrophes, wars and other deadly disasters to control the fate of the human race? The story of the Great Flood sent by deities to destroy civilizations exists in many prehistoric cultures.

Watch Now:Apple TV
Angels and Aliens
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7.39
970 votes

#10 - Angels and Aliens

Season 2 - Episode 7 - Aired 12/9/2010

Biblical texts and ancient lore frequently describe winged creatures carrying messages from the heavens. But are angels merely the product of mankind's imagination - or do they really exist? If so, where do they come from?

Watch Now:Apple TV