Ancient Aliens
201022 seasonsReturning
From 2010 to present
· TMDBDocumentaryMysterySci-Fi & Fantasy
Did intelligent beings from outer space visit Earth thousands of years ago? 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.
Episode ratings
Season 1Cast
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Specials10 episodes
- S00E01Chariots, Gods & Beyond 3.92009-03-08
- S00E02Faces of the Gods 3.52014-07-25
- S00E03The Ultimate Evidence: Beyond Nazca2015-05-15
- S00E04The Ultimate Evidence: The Monoliths2015-05-22
- S00E05The Ultimate Evidence: The Tesla Experiment2015-05-29
- S00E06The Ultimate Evidence: Alien Power Plants2015-06-05
- S00E07The Ultimate Evidence: The Mystery of Puma Punku2015-06-12
- S00E08The Ultimate Evidence: Alien Messages2015-06-19
- S00E09The Ultimate Evidence: Aliens and the Lost Ark2015-06-26
- S00E10The Ultimate Evidence: Aliens and the Creation of Man2015-07-24
Season 15 episodes
- S01E01The Evidence 4.02010-04-20
- S01E02The Visitors 4.02010-04-27
- S01E03The Mission 4.52010-05-04
- S01E04Closer Encounters 4.32010-05-18
- S01E05The Return 4.82010-05-25
Season 210 episodes
- S02E01Mysterious Places 4.42010-10-28
- S02E02Gods & Aliens 4.02010-11-04
- S02E03Underwater Worlds 4.82010-11-11
- S02E04Underground Aliens 4.32010-11-18
- S02E05Aliens and the Third Reich 3.92010-11-25
- S02E06Alien Tech 4.32010-12-02
- S02E07Angels and Aliens 3.92010-12-09
- S02E08Unexplained Structures 4.62010-12-16
- S02E09Alien Devastations 4.22010-12-23
- S02E10Alien Contacts 4.12010-12-30
Season 316 episodes
- S03E01Aliens and the Old West 4.02011-07-28
- S03E02Aliens and Monsters 4.02011-08-04
- S03E03Aliens and Sacred Places 4.32011-08-11
- S03E04Aliens and Temples of Gold 4.72011-08-18
- S03E05Aliens and Mysterious Rituals 4.32011-08-25
- S03E06Aliens and Ancient Engineers 4.82011-09-01
- S03E07Aliens, Plagues and Epidemics 4.52011-09-08
- S03E08Aliens and Lost Worlds 4.72011-09-15
- S03E09Aliens and Deadly Weapons 4.22011-09-22
- S03E10Aliens and Evil Places 4.52011-09-28
- S03E11Aliens and the Founding Fathers 4.02011-10-05
- S03E12Aliens and Deadly Cults 4.52011-10-12
- S03E13Aliens and the Secret Code 4.52011-10-19
- S03E14Aliens and the Undead 4.32011-10-26
- S03E15Aliens, Gods and Heroes 4.32011-11-16
- S03E16Aliens and the Creation of Man 4.52011-11-23
Season 410 episodes
- S04E01The Mayan Conspiracy 4.62012-02-17
- S04E02The Doomsday Prophecies 4.82012-02-17
- S04E03The Greys 4.32012-02-24
- S04E04Aliens and Mega-Disasters 4.72012-03-02
- S04E05The NASA Connection 4.72012-03-09
- S04E06The Mystery of Puma Punku 4.82012-03-16
- S04E07Aliens and Bigfoot 4.02012-03-23
- S04E08The Da Vinci Conspiracy 4.72012-04-06
- S04E09The Time Travelers 4.52012-04-27
- S04E10Aliens and Dinosaurs 4.32012-05-04
Season 512 episodes
- S05E01Secrets of the Pyramids 4.42012-12-21
- S05E02Aliens and Cover-Ups 4.32012-12-28
- S05E03Alien Power Plants 4.32013-01-04
- S05E04Destination Orion 4.22013-01-11
- S05E05The Einstein Factor 4.52013-01-18
- S05E06Secrets of the Tombs 4.22013-01-25
- S05E07Prophets and Prophecies 4.22013-02-08
- S05E08Beyond Nazca 4.72013-02-15
- S05E09Strange Abductions 4.02013-02-22
- S05E10The Von Daniken Legacy 4.32013-04-05
- S05E11The Viking Gods 4.82013-04-12
- S05E12The Monoliths 4.32013-04-19
Season 611 episodes
- S06E01The Power of Three 4.52013-09-30
- S06E02The Crystal Skulls 4.22013-10-07
- S06E03The Anunnaki Connection 4.52013-10-14
- S06E04Magic of the Gods 4.52013-10-21
- S06E05The Satan Conspiracy 3.92013-10-28
- S06E06Alien Operations 3.92013-11-01
- S06E07Emperors, Kings and Pharaohs 4.02013-11-08
- S06E08Mysterious Relics 4.52013-11-15
- S06E09Aliens and Forbidden Islands 5.02013-11-29
- S06E10Aliens and The Lost Ark 5.02013-12-06
- S06E11Aliens and Mysterious Mountains 5.02013-12-13
Season 78 episodes
- S07E01Aliens and Stargates 5.02014-01-24
- S07E02Aliens in America 5.02014-01-31
- S07E03The Star Children 5.02014-02-07
- S07E04Treasures of the Gods 5.02014-02-14
- S07E05Aliens and the Red Planet 4.22014-02-21
- S07E06The Shamans 4.02014-02-28
- S07E07Aliens and Insects 5.02014-03-07
- S07E08Alien Breeders 5.02014-03-14
Season 88 episodes
- S08E01Alien Transports 5.02014-06-13
- S08E02Mysterious Structures 4.52014-06-20
- S08E03Mysterious Devices 5.02014-06-27
- S08E04The Reptilians 5.02014-07-25
- S08E05The Tesla Experiment 4.52014-08-01
- S08E06The God Particle 5.02014-08-08
- S08E07Alien Encounters 5.02014-08-15
- S08E08Aliens & Superheroes 5.02014-08-22
Season 912 episodes
- S09E01Forbidden Caves 5.02014-10-31
- S09E02Mysteries of the Sphinx 4.52014-11-07
- S09E03Aliens Among Us 5.02014-11-14
- S09E04The Genius Factor 5.02014-11-21
- S09E05Secrets of the Mummies 5.02014-11-28
- S09E06Alien Resurrections 5.02014-12-05
- S09E07Alien Messages 5.02014-12-19
- S09E08The Great Flood 5.02014-12-23
- S09E09Aliens and the Civil War 5.02015-04-10
- S09E10Hidden Pyramids 5.02015-04-17
- S09E11The Vanishings 5.02015-04-24
- S09E12The Alien Agenda 5.02015-05-01
Season 1010 episodes
- S10E01Aliens B.C. 5.02015-07-24
- S10E02NASA's Secret Agenda 5.02015-07-31
- S10E03Aliens and Robots 5.02015-08-07
- S10E04Dark Forces 5.02015-08-14
- S10E05The Alien Evolution 5.02015-08-21
- S10E06The Other Earth 4.52015-08-28
- S10E07Creatures of the Deep 5.02015-09-04
- S10E08Circles from the Sky 4.02015-09-18
- S10E09The Alien Wars 4.32015-10-02
- S10E10The Forbidden Zones 5.02015-10-09
Season 1115 episodes
- S11E01Pyramids of Antarctica 3.12016-05-06
- S11E02Destination Mars 3.12016-05-13
- S11E03The Next Humans 3.02016-05-20
- S11E04The New Evidence 3.02016-05-27
- S11E05The Visionaries 3.02016-06-10
- S11E06Decoding the Cosmic Egg 3.02016-06-17
- S11E07The Wisdom Keepers 3.02016-06-24
- S11E08The Mysterious Nine 3.02016-07-08
- S11E09The Hidden Empire 3.02016-07-15
- S11E10The Prototypes 3.02016-07-22
- S11E11Space Station Moon 3.42016-07-29
- S11E12Russia's Secret Files 3.02016-08-12
- S11E13Beyond Roswell 3.02016-08-19
- S11E14The Returned 3.42016-08-26
- S11E15Shiva the Destroyer 3.02016-09-02
Season 1216 episodes
- S12E01The Alien Hunters 3.02017-04-28
- S12E02Forged by the Gods 3.02017-05-05
- S12E03The Mystery of Rudloe Manor 3.02017-05-12
- S12E04The Alien Architects 3.02017-05-19
- S12E05The Pharaohs' Curse 3.02017-05-26
- S12E06The Science Wars 3.02017-06-02
- S12E07City of the Gods 3.02017-06-09
- S12E08The Alien Frequency 3.02017-06-16
- S12E09The Majestic Twelve 3.02017-07-07
- S12E10The Akashic Record 3.52017-07-14
- S12E11Voices of the Gods 3.02017-07-21
- S12E12The Animal Agenda 3.02017-07-28
- S12E13The Replicants 3.02017-08-04
- S12E14A Spaceship Made of Stone 3.52017-08-11
- S12E15The Alien Disks 3.02017-09-08
- S12E16Return to Gobekli Tepe 3.02017-09-15
Season 1315 episodes
- S13E01The UFO Conspiracy 3.02018-04-27
- S13E02Da Vinci's Forbidden Codes 1.82018-05-04
- S13E03The Alien Protocols 3.02018-05-11
- S13E04Earth's Black Holes 3.02018-05-18
- S13E05The Desert Codes 3.02018-05-25
- S13E06Area 52 3.02018-06-01
- S13E07Earth Station Egypt 3.02018-07-20
- S13E08Island of the Giants 3.02018-07-27
- S13E09The Taken 3.02018-08-03
- S13E10The Sentinels 3.02018-08-10
- S13E11Russia Declassified 3.02018-08-17
- S13E12They Came From the Sky 3.02018-08-24
- S13E13The Artificial Human 3.02018-08-31
- S13E14The Alien Phenomenon 3.02019-01-04
- S13E15Return to Mars 3.02019-01-07
Season 1422 episodes
- S14E01Return to Antarctica 3.02019-05-31
- S14E02The Badlands Guardian 3.02019-06-07
- S14E03Element 115 3.02019-06-14
- S14E04The Star Gods of Sirius 3.02019-06-21
- S14E05They Came from the Sea 3.02019-06-28
- S14E06Secrets of the Maya 3.02019-07-05
- S14E07The Druid Connection 3.02019-07-19
- S14E08The Reptilian Agenda 3.02019-07-26
- S14E09The Alien Infection 3.02019-08-02
- S14E10Project Hybrid 3.52019-08-09
- S14E11The Trans-Dimensionals 3.02019-08-16
- S14E12Islands of Fire 3.02019-08-23
- S14E13The Constellation Code 3.02019-08-30
- S14E14The Nuclear Agenda 3.02019-09-06
- S14E15The Alien Mountain2019-10-04
- S14E16The Alien Brain 3.02019-10-11
- S14E17The Secrets of Stonehenge 3.02019-10-18
- S14E18Food of the Gods 3.02019-11-01
- S14E19Human Hieroglyphs 3.02019-11-08
- S14E20The Storming of Area 51 3.02019-11-15
- S14E21Countdown to Disclosure 3.02019-11-22
- S14E22Secrets of the Exoplanets 3.02019-11-29
Season 1512 episodes
- S15E01The Mystery of Nan Madol 3.02020-01-25
- S15E02The Relics of Roswell 3.02020-02-01
- S15E03Destination Chile 3.02020-02-08
- S15E04The Real Men in Black 3.02020-02-15
- S15E05The Mystery of the Stone Giants 3.02020-02-22
- S15E06The World Before Time 3.02020-02-29
- S15E07They Came from The Pleiades 3.02020-03-07
- S15E08The Immortality Machine 3.02020-03-14
- S15E09The Shapeshifters 3.02020-03-21
- S15E10The Mystery of Skinwalker Ranch 3.02020-03-28
- S15E11The Ultimate Guide to UFOs 3.02020-04-11
- S15E12Aliens and the Presidents 3.02020-04-18
Season 1610 episodes
- S16E01The Divine Number 3.02020-11-13
- S16E02The Lost Kingdom 3.02020-11-20
- S16E03The Galactic Keyhole 3.02020-12-04
- S16E04Giants of the Mediterranean 3.02020-12-11
- S16E05The Forbidden Bible 3.02020-12-18
- S16E06William Shatner Meets Ancient Aliens 3.52021-02-12
- S16E07Impossible Artifacts 3.02021-02-19
- S16E08The Space Travelers 3.02021-02-26
- S16E09The UFO Pioneers 3.02021-03-05
- S16E10The Harmonic Code 3.02021-03-12
Season 177 episodes
- S17E01The Lost City of Peru 3.02021-08-06
- S17E02Top Ten Mysterious Sites 3.02021-08-13
- S17E03Top Ten Alien Cover-Ups 3.02021-08-20
- S17E04The Mystery of Mount Shasta 3.02021-09-17
- S17E05The Human Experiment 3.02021-09-24
- S17E06Top Ten Alien Encounters 3.02021-10-01
- S17E07Top Ten Alien Artifacts 3.02021-10-08
Season 1820 episodes
- S18E01The Disclosure Event 3.02022-01-07
- S18E02Mystery of the Standing Stones 3.02022-01-14
- S18E03Beneath the Sacred Temples 3.02022-01-21
- S18E04The World on Alert 3.02022-01-28
- S18E05Recovering The Ark Of The Covenant 3.02022-02-11
- S18E06Secrets Of The Star Ancestors 3.02022-02-18
- S18E07Alien Air Force 3.02022-02-25
- S18E08The Shadow People 3.02022-03-04
- S18E09Decoding the Dragon Gods 3.02022-03-11
- S18E10The Time Benders 3.02022-03-18
- S18E11Ancient Aliens On Location: Incredible Structures 3.02022-07-08
- S18E12Ancient Aliens On Location: Extraordinary Encounters 3.02022-07-15
- S18E13Ancient Aliens on Location: The Alien Glyphs 3.02022-07-22
- S18E14Ancient Aliens On Location: The UFO Investigations 3.02022-07-29
- S18E15Ancient Aliens On Location: Mysterious Artifacts 3.02022-08-05
- S18E16Ancient Aliens on Location: Evidence of Alien Life 3.52022-08-12
- S18E17The Shining Ones 3.52022-08-19
- S18E18The Journey to Immortality 3.52022-08-26
- S18E19Secrets of Inner Earth 3.52022-09-09
- S18E20Return of the Egyptian Gods 3.02022-09-16
Season 1920 episodes
- S19E01The Hotspot Connection 3.52023-01-06
- S19E02The Crop Circle Code 3.52023-01-13
- S19E03Mystery of the Lost Civilization 3.52023-01-20
- S19E04The Power of the Obelisks 3.02023-02-03
- S19E05The MUFON Files 3.02023-02-10
- S19E06Cosmic Impacts 3.52023-02-17
- S19E07Close Encounters of the Fifth Kind 3.52023-02-24
- S19E08The Mysteries of Alaska 3.02023-03-03
- S19E09Aliens in our Airspace 3.02023-03-10
- S19E10The Giants of Malta 3.02023-03-17
- S19E11The Top Ten Pyramid Sites 3.52023-06-30
- S19E12The Top Ten Mysterious Devices 3.02023-07-07
- S19E13The Top Ten Mysterious Islands 3.02023-07-14
- S19E14The Top Ten Alien Craft 3.02023-07-21
- S19E15Edgar Cayce: The Sleeping Prophet 3.02023-08-04
- S19E16The Gods of Greece 3.52023-08-11
- S19E17The New UFO Hunters 3.82023-08-18
- S19E18Power of the Talisman 3.82023-08-25
- S19E19The Top Ten Mysteries of the Deep 3.82023-09-08
- S19E20The Top Ten Alien Petroglyphs 3.82023-09-15
Season 2020 episodes
- S20E01The Top Ten Alien Influencers 5.02024-01-05
- S20E02The Top Ten Extraordinary Creatures 5.02024-01-12
- S20E03The Top Ten Hidden Alien Bases 5.02024-01-19
- S20E04The Top Ten Scariest Encounters 5.02024-02-02
- S20E05The Top Ten Alien Codes 4.52024-02-09
- S20E06The Top Ten Alien Disasters 5.02024-02-16
- S20E07Secrets Of The Sumerians 5.02024-02-23
- S20E08The UFO Superhighway 5.02024-03-01
- S20E09Mysteries of Scotland 5.02024-03-08
- S20E10Mystery of the Stone Spheres 5.02024-03-15
- S20E11Mysteries of the Maya 5.02024-06-28
- S20E12Unlocking the Stargates 5.02024-07-05
- S20E13The Whistleblowers 5.02024-07-12
- S20E14The Search For Extraterrestrial Intelligence 5.02024-07-19
- S20E15Jacques Vallée: UFO Pioneer 5.02024-08-09
- S20E16The Teachers 3.02024-08-16
- S20E17Egypt's Giant Tombs 3.02024-08-23
- S20E18The Linda Moulton Howe Files 3.02024-08-30
- S20E19The Chosen 3.02024-09-06
- S20E20Resurrecting Puma Punku 3.02024-09-13
Season 2120 episodes
- S21E01The Top Ten Extraordinary Discoveries 4.02025-02-07
- S21E02The Top Ten Mysterious Monoliths 4.02025-02-14
- S21E03The Top Ten UFO Crashes 4.32025-02-21
- S21E04The Top Ten Unexplained Technologies 4.02025-02-28
- S21E05The Top Ten Secret Projects 4.02025-03-07
- S21E06The Top Ten Mysterious Mountains 4.02025-03-14
- S21E07Mysteries of the Aztecs 4.32025-03-21
- S21E08The Glowing Orb Phenomenon 4.32025-03-28
- S21E09The Legacy of J. Allen Hynek 4.32025-08-29
- S21E10The Volcano Factor 4.32025-09-05
- S21E11The Birdman Mystery 4.32025-09-12
- S21E12The Abduction Files 4.32025-09-19
- S21E13The Giants 4.32025-10-02
- S21E14Aliens In Our Midst 4.32025-10-09
- S21E15Britain's UFO Files 4.32025-10-16
- S21E16Mysteries Of The Norse Gods 3.52025-10-23
- S21E17Secrets of Japan 4.32025-11-06
- S21E18Episode 18 5.0TBA
- S21E19Episode 19TBA
- S21E20Episode 20TBA
Season 2213 episodes
- S22E01Skulls of the Gods 4.52026-01-15
- S22E02Egypt's Lost Pyramids 4.32026-01-22
- S22E03Island of the Gods 4.32026-01-29
- S22E04Extraterrestrial Engineering 4.32026-02-05
- S22E05UFO Hot Spots 4.32026-02-26
- S22E06Mysterious Monuments 4.32026-03-05
- S22E07Underwater Alien Bases 4.32026-06-11
- S22E08Secrets of the Vedas 4.32026-06-18
- S22E09Wars of the Gods 4.32026-06-25
- S22E10UFO Sightings 4.32026-07-02
- S22E11Alien A.I. 5.02026-07-09
- S22E12Hidden Messages2026-07-16
- S22E13Secrets of the Amazon2026-07-23