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The Best Episodes of Ancient Aliens

Updated July 17, 2020 2.6k votes 1.2k voters 105.2k views80 items

List RulesVote for your favorite Ancient Aliens episodes, no matter how popular they are.

Do aliens exist? Have they visited earth? Are they responsible for innovations and unexplained phenomenons? The best episodes of Ancient Aliens attempt to answer these questions and more by investigating historical texts and folklore. Some good episodes of Ancient Aliens also explore the potential of past extraterrestrial contact.

What are the best episodes of Ancient Aliens? “The Tesla Experiment” is a fan favorite. This episode explores the notion that inventions created by Nikola Tesla may have been inspired by extraterrestrials. “The NASA Connection” is also a compelling episode of the Ancient Aliens franchise.

“Unexplained Structures” is another good episode from Ancient Aliens as is “Destination Orion” which hypothesizes why civilization through time have been focused on the Orion constellation.

Do you have a favorite installment of Ancient Aliens? Give the best episodes a vote up and vote down any episodes you may not have liked.

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  • 1
    The Tesla Experiment is listed (or ranked) 1 on the list The Best Episodes of Ancient Aliens
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    The Tesla Experiment

    amazon buy button
  • 2
    The NASA Connection is listed (or ranked) 2 on the list The Best Episodes of Ancient Aliens
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    The NASA Connection

    Ancient Aliens - Season 4

    Original AiringMar 09 2012

    Episode Number5

    NASA scientists, former astronauts and secret government files all point to the conclusion...amazon buy button
  • 3
    Chariots, Gods & Beyond is listed (or ranked) 3 on the list The Best Episodes of Ancient Aliens
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    Chariots, Gods & Beyond

    Ancient Aliens - Season 0

    Original AiringJul 30 2009

    Episode Number1

    What if life on Earth began in outer space? Millions of people accept the theory that...amazon buy button
  • 4
    Unexplained Structures is listed (or ranked) 4 on the list The Best Episodes of Ancient Aliens
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    Unexplained Structures

    Ancient Aliens - Season 2

    Original AiringDec 16 2010

    Episode Number8

    If ancient aliens visited Earth, can evidence of their existence be found in the mysterious...amazon buy button
  • 5
    The Evidence is listed (or ranked) 5 on the list The Best Episodes of Ancient Aliens
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    The Evidence

    Ancient Aliens - Season 1

    Original AiringApr 20 2010

    Episode Number1

    If ancient aliens visited Earth, what was their legacy, and did they leave behind clues that...amazon buy button
  • 6
    The Mystery of Puma Punku is listed (or ranked) 6 on the list The Best Episodes of Ancient Aliens
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    The Mystery of Puma Punku

    Ancient Aliens - Season 4

    Original AiringMar 16 2012

    Episode Number6

    At nearly 14,000 years old, the ruins of Puma Punku are the oldest and most baffling on the...amazon buy button
  • 7
    The Return is listed (or ranked) 7 on the list The Best Episodes of Ancient Aliens
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    The Return

    Ancient Aliens - Season 1

    Original AiringMay 25 2010

    Episode Number5

    There is evidence that suggests we experienced 20th century alien contact. In 1942, the Battle...amazon buy button
  • 8
    Destination Orion is listed (or ranked) 8 on the list The Best Episodes of Ancient Aliens
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    Destination Orion

    Ancient Aliens - Season 5

    Original AiringJan 11 2013

    Episode Number4

    Why were ancient civilizations around the world so focused on the Orion constellation? While...amazon buy button
  • 9
    Aliens And The Third Reich is listed (or ranked) 9 on the list The Best Episodes of Ancient Aliens
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    18

    Aliens And The Third Reich

    Ancient Aliens - Season 2

    Original AiringNov 25 2010

    Episode Number5

    If ancient aliens visited Earth in the remote past, could they have given us advanced...amazon buy button
  • 10
    The Mayan Conspiracy is listed (or ranked) 10 on the list The Best Episodes of Ancient Aliens
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    9

    The Mayan Conspiracy

    Ancient Aliens - Season 4

    Original AiringFeb 17 2012

    Episode Number1

    The Mayan civilization dominated Central America for nearly 2000 years, but by the 9th century...amazon buy button
  • 11
    Aliens and Ancient Engineers is listed (or ranked) 11 on the list The Best Episodes of Ancient Aliens
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    Aliens and Ancient Engineers

    Ancient Aliens - Season 3

    Original AiringSep 01 2011

    Episode Number6

    Might the tools and technology of ancient builders have come from distant galaxies? Evidence...amazon buy button
  • 12
    Aliens and Lost Worlds is listed (or ranked) 12 on the list The Best Episodes of Ancient Aliens
    38
    5

    Aliens and Lost Worlds

    Ancient Aliens - Season 3

    Original AiringSep 15 2011

    Episode Number8

    Mysterious legends and crumbling ruins are all that is left of our planet's lost worlds. But...amazon buy button
  • 13
    Alien Power Plants is listed (or ranked) 13 on the list The Best Episodes of Ancient Aliens
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    Alien Power Plants

    Ancient Aliens - Season 5

    Original AiringJan 04 2013

    Episode Number3

    Egyptian hieroglyphs depict the use of light bulbs in tombs and secret chambers. And...amazon buy button
  • 14
    The Visitors is listed (or ranked) 14 on the list The Best Episodes of Ancient Aliens
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    The Visitors

    Ancient Aliens - Season 1

    Original AiringApr 27 2010

    Episode Number2

    If ancient aliens visited Earth, who were they, and where did they come from? Possible...amazon buy button
  • 15
    Aliens in America is listed (or ranked) 15 on the list The Best Episodes of Ancient Aliens
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    Aliens in America

    Ancient Aliens - Season 7

    Original AiringJan 31 2014

    Episode Number2

    Strange rock carvings from 8,000 B.C. Unexplained sightings in the new world. And a...amazon buy button
  • 16
    Aliens, Gods and Heroes is listed (or ranked) 16 on the list The Best Episodes of Ancient Aliens
    35
    7

    Aliens, Gods and Heroes

    Ancient Aliens - Season 3

    Original AiringNov 16 2011

    Episode Number15

    Superhuman strength... Supernatural powers... And the awesome ability to fly. Throughout...amazon buy button
  • 17
    Angels and Aliens is listed (or ranked) 17 on the list The Best Episodes of Ancient Aliens
    49
    21

    Angels and Aliens

    Ancient Aliens - Season 2

    Original AiringDec 09 2010

    Episode Number7

    Biblical texts and ancient lore frequently describe winged creatures carrying messages from...amazon buy button
  • 18
    Aliens and Dinosaurs is listed (or ranked) 18 on the list The Best Episodes of Ancient Aliens
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    Aliens and Dinosaurs

    Ancient Aliens - Season 4

    Original AiringMay 04 2012

    Episode Number10

    Angkor Wat, Cambodia, is the world’s largest ancient religious temple. Within its megalithic...amazon buy button
  • 19
    Alien Contacts is listed (or ranked) 19 on the list The Best Episodes of Ancient Aliens
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    Alien Contacts

    Ancient Aliens - Season 2

    Original AiringDec 30 2010

    Episode Number10

    If ancient aliens visited Earth, were they responsible for catastrophes, wars and other deadly...amazon buy button
  • 20
    Aliens and Evil Places is listed (or ranked) 20 on the list The Best Episodes of Ancient Aliens
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    8

    Aliens and Evil Places

    Ancient Aliens - Season 3

    Original AiringSep 28 2011

    Episode Number10

    For thousands of years, there have been places around the world considered dangerous to...amazon buy button
  • 21
    Aliens and the Red Planet is listed (or ranked) 21 on the list The Best Episodes of Ancient Aliens
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    Aliens and the Red Planet

    Ancient Aliens - Season 6

    Original AiringFeb 21 2014

    Episode Number16

    Throughout human history, the planet Mars has captured our imagination. Ancient Egyptian...amazon buy button
  • 22
    The Star Children is listed (or ranked) 22 on the list The Best Episodes of Ancient Aliens
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    The Star Children

    Ancient Aliens - Season 7

    Original AiringFeb 07 2014

    Episode Number3

    On every continent, there are stories of children who "stand out" for their strange abilities...amazon buy button
  • 23
    Aliens and Mysterious Rituals is listed (or ranked) 23 on the list The Best Episodes of Ancient Aliens
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    5

    Aliens and Mysterious Rituals

    Ancient Aliens - Season 3

    Original AiringAug 25 2011

    Episode Number5

    Throughout the world, ancient rites and rituals are believed to connect humans to another...amazon buy button
  • 24
    Aliens and Deadly Weapons is listed (or ranked) 24 on the list The Best Episodes of Ancient Aliens
    22
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    Aliens and Deadly Weapons

    Ancient Aliens - Season 3

    Original AiringSep 22 2011

    Episode Number9

    Iron swords forged in blazing hot fires... Gunpowder with the power to tear apart human...amazon buy button
  • 25
    The Shamans is listed (or ranked) 25 on the list The Best Episodes of Ancient Aliens
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    The Shamans

    Ancient Aliens - Season 6

    Original AiringFeb 28 2014

    Episode Number17

    Throughout history, spiritual leaders known as shamans have healed, protected and advised...amazon buy button
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