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The Best Episodes of Ancient Aliens

Updated July 17, 2020 2.6k votes 1.2k voters 105.5k 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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  • 26
    Aliens and Forbidden Islands
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    Aliens and Forbidden Islands

    Ancient Aliens - Season 6

    Original AiringNov 29 2013

    Episode Number9

    Legends of lost and mysterious islands, advanced civilizations and Eden-like paradises have...Amazon buy button
  • 27
    Aliens, Plagues and Epidemics
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    Aliens, Plagues and Epidemics

    Ancient Aliens - Season 3

    Original AiringSep 08 2011

    Episode Number7

    Scientists are continually challenged by unidentified strains of bacteria with mysterious...Amazon buy button
  • 28
    Aliens and Bigfoot
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    Aliens and Bigfoot

    Ancient Aliens - Season 4

    Original AiringMar 23 2012

    Episode Number7

    People on every continent have claimed to see the footprints of Bigfoot. And ancient myths and...Amazon buy button
  • 29
    Aliens and Deadly Cults
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    9

    Aliens and Deadly Cults

    Ancient Aliens - Season 3

    Original AiringOct 12 2011

    Episode Number12

    Mass suicides. Human sacrifices. Unholy rituals. Throughout history, people have claimed to...Amazon buy button
  • 30
    Closer Encounters
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    Closer Encounters

    Ancient Aliens - Season 1

    Original AiringMay 18 2010

    Episode Number4

    Reports of encounters with strange beings and sightings of mysterious objects in the sky have...Amazon buy button
  • 31
    Alien Tech
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    Alien Tech

    Ancient Aliens - Season 2

    Original AiringDec 02 2010

    Episode Number6

    Super-heated death rays... High-tech rockets... Powerful sonic weapons... Are these examples...Amazon buy button
  • 32
    Gods & Aliens
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    Gods & Aliens

    Ancient Aliens - Season 2

    Original AiringNov 04 2010

    Episode Number2

    Myths and legends have long been regarded as fantastic stories that describe powerful gods,...Amazon buy button
  • 33
    Alien Devastations
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    Alien Devastations

    Ancient Aliens - Season 2

    Original AiringDec 23 2010

    Episode Number9

    If ancient aliens visited Earth, were they responsible for catastrophes, wars and other deadly...Amazon buy button
  • 34
    Aliens and Sacred Places
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    Aliens and Sacred Places

    Ancient Aliens - Season 3

    Original AiringAug 11 2011

    Episode Number3

    Are sacred places the product of man's reverence for God--or the result of contact with...Amazon buy button
  • 35
    The Einstein Factor
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    The Einstein Factor

    Ancient Aliens - Season 5

    Original AiringJan 18 2013

    Episode Number5

    Was Albert Einstein a genius? Or was he superhuman? Was his genius ‘of this world,’ or was...Amazon buy button
  • 36
    Alien Transports
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    Alien Transports

    Ancient Aliens - Season 8

    Original AiringJune 13, 2014

    Episode Number1

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  • 37
    Faces of the Gods
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    Faces of the Gods

    Ancient Aliens - Season 8

    Original AiringJuly 25, 2014

    Episode Number4

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  • 38
    The Reptilians
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    The Reptilians

    Ancient Aliens - Season 8

    Original AiringJuly 25, 2014

    Episode Number5

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  • 39
    The God Particle
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    The God Particle

    Ancient Aliens - Season 8

    Original AiringAugust 8, 2014

    Episode Number7

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  • 40
    Aliens and Superheroes
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    Aliens and Superheroes

    Ancient Aliens - Season 8

    Original AiringAugust 22, 2014

    Episode Number9

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  • 41
    Forbidden Caves
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    Forbidden Caves

    Ancient Aliens - Season 9

    Original AiringOctober 31, 2014

    Episode Number1

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  • 42
    Aliens Among Us
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    Aliens Among Us

    Ancient Aliens - Season 9

    Original AiringNovember 14, 2014

    Episode Number3

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  • 43
    Secrets of the Mummies
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    Secrets of the Mummies

    Ancient Aliens - Season 9

    Original AiringNovember 28, 2014

    Episode Number5

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  • 44
    The Vanishings
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    The Vanishings

    Ancient Aliens - Season 9

    Original AiringApril 24, 2015

    Episode Number11

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  • 45
    The Alien Agenda
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    The Alien Agenda

    Ancient Aliens - Season 9

    Original AiringMay 1, 2015

    Episode Number12

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  • 46
    Aliens B.C.
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    Aliens B.C.

    Ancient Aliens - Season 10

    Original AiringJuly 24, 2015

    Episode Number1

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  • 47
    NASA's Secret Agenda
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    NASA's Secret Agenda

    Ancient Aliens - Season 10

    Original AiringJuly 31, 2015

    Episode Number2

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  • 48
    Creatures of the Deep
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    Creatures of the Deep

    Ancient Aliens - Season 10

    Original AiringSeptember 4, 2015

    Episode Number7

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  • 49
    The Alien Wars
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    The Alien Wars

    Ancient Aliens - Season 10

    Original AiringOctober 2, 2015

    Episode Number9

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  • 50
    The Forbidden Zones
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    The Forbidden Zones

    Ancient Aliens - Season 10

    Original AiringOctober 9, 2015

    Episode Number10

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