Ancient Aliens

(03/08/2009–03/29/2025)

(6.5)

History (US)60 min

Ancient Aliens 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 in this hit History series 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?

Source: unknown Ancient Aliens

Episodes

Season 1

S01E01

The Evidence

April 21, 2010 at 12:00 AM

S01E02

The Visitors

April 28, 2010 at 12:00 AM

S01E03

The Mission

May 05, 2010 at 12:00 AM

S01E04

Closer Encounters

May 19, 2010 at 12:00 AM

S01E05

The Return

May 26, 2010 at 12:00 AM

Season 2

S02E01

Mysterious Places

October 29, 2010 at 02:00 AM

S02E02

Gods & Aliens

November 05, 2010 at 02:00 AM

S02E03

Underwater Worlds

November 12, 2010 at 03:00 AM

S02E04

Underground Aliens

November 19, 2010 at 03:00 AM

S02E05

Aliens and the Third Reich

November 26, 2010 at 03:00 AM

S02E06

Alien Tech

December 03, 2010 at 02:00 AM

S02E07

Angels and Aliens

December 10, 2010 at 02:00 AM

S02E08

Unexplained Structures

December 17, 2010 at 02:00 AM

S02E09

Alien Devastations

December 24, 2010 at 02:00 AM

S02E10

Alien Contacts

December 31, 2010 at 02:00 AM

Season 3

S03E01

Aliens and the Old West

July 29, 2011 at 02:00 AM

S03E02

Aliens and Monsters

August 05, 2011 at 02:00 AM

S03E03

Aliens and Sacred Places

August 12, 2011 at 02:00 AM

S03E04

Aliens and Temples of Gold

August 19, 2011 at 02:00 AM

S03E05

Aliens and Mysterious Rituals

August 26, 2011 at 02:00 AM

S03E06

Aliens and Ancient Engineers

September 02, 2011 at 02:00 AM

S03E07

Aliens, Plagues and Epidemics

September 09, 2011 at 02:00 AM

S03E08

Aliens and Lost Worlds

September 16, 2011 at 02:00 AM

S03E09

Aliens and Deadly Weapons

September 23, 2011 at 02:00 AM

S03E10

Aliens and Evil Places

September 29, 2011 at 01:00 AM

S03E11

Aliens and the Founding Fathers

October 06, 2011 at 01:00 AM

S03E12

Aliens and Deadly Cults

October 13, 2011 at 01:00 AM

S03E13

Aliens and the Secret Code

October 20, 2011 at 01:00 AM

S03E14

Aliens and the Undead

October 27, 2011 at 01:00 AM

S03E15

Aliens, Gods and Heroes

November 17, 2011 at 02:00 AM

S03E16

Aliens and the Creation of Man

November 24, 2011 at 02:00 AM

Season 4

S04E01

The Mayan Conspiracy

February 17, 2012 at 05:00 PM

S04E02

The Doomsday Prophecies

February 17, 2012 at 05:00 PM

S04E03

The Greys

February 24, 2012 at 05:00 PM

S04E04

Aliens and Mega-Disasters

March 02, 2012 at 05:00 PM

S04E05

The NASA Connection

March 10, 2012 at 03:00 AM

S04E06

The Mystery of Puma Punku

March 16, 2012 at 04:00 PM

S04E07

Aliens and Bigfoot

March 24, 2012 at 02:00 AM

S04E08

The Da Vinci Conspiracy

April 06, 2012 at 04:00 PM

S04E09

The Time Travelers

April 27, 2012 at 04:00 PM

S04E10

Aliens and Dinosaurs

May 04, 2012 at 04:00 PM

Season 5

S05E01

Secrets of the Pyramids

December 21, 2012 at 05:00 PM

S05E02

Aliens and Cover-Ups

December 28, 2012 at 05:00 PM

S05E03

Alien Power Plants

January 04, 2013 at 05:00 PM

S05E04

Destination Orion

January 11, 2013 at 05:00 PM

S05E05

The Einstein Factor

January 18, 2013 at 05:00 PM

S05E06

Secrets of the Tombs

January 25, 2013 at 05:00 PM

S05E07

Prophets and Prophecies

February 08, 2013 at 05:00 PM

S05E08

Beyond Nazca

February 15, 2013 at 05:00 PM

S05E09

Strange Abductions

February 22, 2013 at 05:00 PM

S05E10

The von Däniken Legacy

April 05, 2013 at 04:00 PM

S05E11

The Viking Gods

April 12, 2013 at 04:00 PM

S05E12

The Monoliths

April 19, 2013 at 04:00 PM

Season 6

S06E01

The Power of Three

October 01, 2013 at 01:00 AM

S06E02

The Crystal Skulls

October 08, 2013 at 01:00 AM

S06E03

The Anunnaki Connection

October 15, 2013 at 01:00 AM

S06E04

Magic of the Gods

October 22, 2013 at 01:00 AM

S06E05

The Satan Conspiracy

October 29, 2013 at 01:00 AM

S06E06

Alien Operations

November 02, 2013 at 01:00 AM

S06E07

Emperors, Kings and Pharaohs

November 09, 2013 at 02:00 AM

S06E08

Mysterious Relics

November 16, 2013 at 02:00 AM

S06E09

Aliens and Forbidden Islands

November 30, 2013 at 02:00 AM

S06E10

Aliens and the Lost Ark

December 07, 2013 at 02:00 AM

S06E11

Aliens and Mysterious Mountains

December 14, 2013 at 02:00 AM

Season 7

S07E01

Aliens and Stargates

January 25, 2014 at 03:00 AM

S07E02

Aliens in America

February 01, 2014 at 03:00 AM

S07E03

The Star Children

February 08, 2014 at 03:00 AM

S07E04

Treasures of the Gods

February 15, 2014 at 03:00 AM

S07E05

Aliens and the Red Planet

February 22, 2014 at 03:00 AM

S07E06

The Shamans

March 01, 2014 at 03:00 AM

S07E07

Aliens and Insects

March 08, 2014 at 02:00 AM

S07E08

Alien Breeders

March 15, 2014 at 01:00 AM

Season 8

S08E01

Alien Transports

June 14, 2014 at 01:00 AM

S08E02

Mysterious Structures

June 21, 2014 at 02:00 AM

S08E03

Mysterious Devices

June 28, 2014 at 02:00 AM

S08E04

Faces of the Gods

July 26, 2014 at 12:00 AM

S08E05

The Reptilians

July 26, 2014 at 01:00 AM

S08E06

The Tesla Experiment

August 02, 2014 at 01:00 AM

S08E07

The God Particle

August 09, 2014 at 01:00 AM

S08E08

Alien Encounters

August 16, 2014 at 01:00 AM

S08E09

Aliens & Superheroes

August 23, 2014 at 01:00 AM

Season 9

S09E01

Forbidden Caves

November 01, 2014 at 01:00 AM

S09E02

Mysteries of the Sphinx

November 08, 2014 at 02:00 AM

S09E03

Aliens Among Us

November 15, 2014 at 02:00 AM

S09E04

The Genius Factor

November 22, 2014 at 02:00 AM

S09E05

Secrets of the Mummies

November 29, 2014 at 02:00 AM

S09E06

Alien Resurrections

December 06, 2014 at 02:00 AM

S09E07

Alien Messages

December 20, 2014 at 02:00 AM

S09E08

The Great Flood

December 24, 2014 at 03:00 AM

S09E09

Aliens and the Civil War

April 11, 2015 at 01:00 AM

S09E10

Hidden Pyramids

April 18, 2015 at 01:00 AM

S09E11

The Vanishings

April 25, 2015 at 01:00 AM

S09E12

The Alien Agenda

May 02, 2015 at 01:00 AM

Season 10

S10E01

Aliens B.C.

July 24, 2015 at 04:00 PM

S10E02

NASA's Secret Agenda

July 31, 2015 at 04:00 PM

S10E03

Aliens and Robots

August 07, 2015 at 04:00 PM

S10E04

Dark Forces

August 14, 2015 at 04:00 PM

S10E05

The Alien Evolution

August 21, 2015 at 04:00 PM

S10E06

The Other Earth

August 28, 2015 at 04:00 PM

S10E07

Creatures of the Deep

September 04, 2015 at 04:00 PM

S10E08

Circles from the Sky

September 18, 2015 at 04:00 PM

S10E09

The Alien Wars

October 02, 2015 at 04:00 PM

S10E10

The Forbidden Zones

October 09, 2015 at 04:00 PM

Season 11

S11E01

Pyramids of Antarctica

May 07, 2016 at 01:00 AM

S11E02

Destination Mars

May 14, 2016 at 01:00 AM

S11E03

The Next Humans

May 21, 2016 at 01:00 AM

S11E04

The New Evidence

May 28, 2016 at 01:00 AM

S11E05

The Visionaries

June 11, 2016 at 01:00 AM

S11E06

Decoding the Cosmic Egg

June 18, 2016 at 01:00 AM

S11E07

The Wisdom Keepers

June 25, 2016 at 01:00 AM

S11E08

The Mysterious Nine

July 09, 2016 at 01:00 AM

S11E09

The Hidden Empire

July 16, 2016 at 01:00 AM

S11E10

The Prototypes

July 23, 2016 at 01:00 AM

S11E11

Space Station Moon

July 30, 2016 at 01:00 AM

S11E12

Russia's Secret Files

August 13, 2016 at 01:00 AM

S11E13

Beyond Roswell

August 20, 2016 at 01:00 AM

S11E14

The Returned

August 27, 2016 at 01:00 AM

S11E15

Shiva the Destroyer

September 03, 2016 at 01:00 AM

Season 12

S12E01

The Alien Hunters

April 29, 2017 at 01:00 AM

S12E02

Forged by the Gods

May 06, 2017 at 01:00 AM

S12E03

The Mystery of Rudloe Manor

May 13, 2017 at 01:00 AM

S12E04

The Alien Architects

May 20, 2017 at 01:00 AM

S12E05

The Pharaohs' Curse

May 27, 2017 at 01:00 AM

S12E06

The Science Wars

June 03, 2017 at 01:00 AM

S12E07

City of the Gods

June 10, 2017 at 01:00 AM

S12E08

The Alien Frequency

June 17, 2017 at 01:00 AM

S12E09

The Majestic Twelve

July 08, 2017 at 01:00 AM

S12E10

The Akashic Record

July 15, 2017 at 01:00 AM

S12E11

Voices of the Gods

July 22, 2017 at 01:00 AM

S12E12

The Animal Agenda

July 29, 2017 at 01:00 AM

S12E13

The Replicants

August 05, 2017 at 01:00 AM

S12E14

A Spaceship Made of Stone

August 12, 2017 at 01:00 AM

S12E15

The Alien Disks

September 09, 2017 at 01:00 AM

S12E16

Return to Gobekli Tepe

September 16, 2017 at 01:00 AM

Season 13

S13E01

The UFO Conspiracy

April 28, 2018 at 01:00 AM

S13E02

Da Vinci's Forbidden Codes

May 05, 2018 at 01:00 AM

S13E03

The Alien Protocols

May 12, 2018 at 01:00 AM

S13E04

Earth's Black Holes

May 19, 2018 at 01:00 AM

S13E05

The Desert Codes

May 26, 2018 at 01:00 AM

S13E06

Area 52

June 02, 2018 at 01:00 AM

S13E07

Earth Station Egypt

July 21, 2018 at 12:00 AM

S13E08

Island of the Giants

July 28, 2018 at 01:00 AM

S13E09

The Taken

August 04, 2018 at 01:00 AM

S13E10

The Sentinels

August 11, 2018 at 01:00 AM

S13E11

Russia Declassified

August 18, 2018 at 01:00 AM

S13E12

They Came from the Sky

August 25, 2018 at 01:00 AM

S13E13

The Artificial Human

September 01, 2018 at 12:00 AM

S13E14

The Alien Phenomenon

January 05, 2019 at 02:00 AM

S13E15

Return to Mars

January 08, 2019 at 02:00 AM

Season 14

S14E01

Return to Antarctica

June 01, 2019 at 01:00 AM

S14E02

The Badlands Guardian

June 08, 2019 at 01:00 AM

S14E03

Element 115

June 15, 2019 at 01:00 AM

S14E04

The Star Gods of Sirius

June 22, 2019 at 01:00 AM

S14E05

They Came from the Sea

June 29, 2019 at 01:00 AM

S14E06

Secrets of the Maya

July 06, 2019 at 01:00 AM

S14E07

The Druid Connection

July 20, 2019 at 01:00 AM

S14E08

The Reptilian Agenda

July 27, 2019 at 01:00 AM

S14E09

The Alien Infection

August 03, 2019 at 01:00 AM

S14E10

Project Hybrid

August 10, 2019 at 01:00 AM

S14E11

The Trans-Dimensionals

August 17, 2019 at 01:00 AM

S14E12

Islands of Fire

August 24, 2019 at 01:00 AM

S14E13

The Constellation Code

August 31, 2019 at 01:00 AM

S14E14

The Nuclear Agenda

September 07, 2019 at 01:00 AM

S14E15

The Alien Mountain

October 05, 2019 at 01:00 AM

S14E16

The Alien Brain

October 12, 2019 at 01:00 AM

S14E17

The Secrets of Stonehenge

October 19, 2019 at 01:00 AM

S14E18

Food of the Gods

November 02, 2019 at 01:00 AM

S14E19

Human Hieroglyphs

November 09, 2019 at 02:00 AM

S14E20

The Storming of Area 51

November 16, 2019 at 02:00 AM

S14E21

Countdown to Disclosure

November 23, 2019 at 02:00 AM

S14E22

Secrets of the Exoplanets

November 30, 2019 at 02:00 AM

Season 15

S15E01

The Mystery of Nan Madol

January 26, 2020 at 03:00 AM

S15E02

The Relics of Roswell

February 02, 2020 at 03:00 AM

S15E03

Destination Chile

February 09, 2020 at 03:00 AM

S15E04

The Real Men in Black

February 16, 2020 at 03:00 AM

S15E05

The Mystery of the Stone Giants

February 23, 2020 at 03:00 AM

S15E06

The World Before Time

March 01, 2020 at 02:00 AM

S15E07

They Came from the Pleiades

March 08, 2020 at 02:00 AM

S15E08

The Immortality Machine

March 15, 2020 at 01:00 AM

S15E09

The Shapeshifters

March 22, 2020 at 01:00 AM

S15E10

The Mystery of Skinwalker Ranch

March 29, 2020 at 01:00 AM

S15E11

The Ultimate Guide to UFO's

April 12, 2020 at 01:00 AM

S15E12

Aliens and the Presidents

April 19, 2020 at 01:00 AM

Season 16

S16E01

The Divine Number

November 14, 2020 at 02:00 AM

S16E02

The Lost Kingdom

November 21, 2020 at 02:00 AM

S16E03

The Galactic Keyhole

December 05, 2020 at 02:00 AM

S16E04

Giants of the Mediterranean

December 12, 2020 at 02:00 AM

S16E05

The Forbidden Bible

December 19, 2020 at 02:00 AM

S16E06

William Shatner Meets Ancient Aliens

February 13, 2021 at 02:00 AM

S16E07

Impossible Artifacts

February 20, 2021 at 03:00 AM

S16E08

The Space Travelers

February 27, 2021 at 03:00 AM

S16E09

The UFO Pioneers

March 06, 2021 at 03:00 AM

S16E10

The Harmonic Code

March 13, 2021 at 03:00 AM

Season 17

S17E01

The Lost City of Peru

August 07, 2021 at 01:00 AM

S17E02

Top Ten Mysterious Sites

August 14, 2021 at 01:00 AM

S17E03

Top Ten Alien Cover-Ups

August 21, 2021 at 01:00 AM

S17E04

The Mystery of Mount Shasta

September 18, 2021 at 01:00 AM

S17E05

The Human Experiment

September 25, 2021 at 01:00 AM

S17E06

Top Ten Alien Encounters

October 02, 2021 at 01:00 AM

S17E07

Top Ten Alien Artifacts

October 09, 2021 at 01:00 AM

Season 18

S18E01

The Disclosure Event

January 08, 2022 at 02:00 AM

S18E02

Mystery of the Standing Stones

January 15, 2022 at 02:00 AM

S18E03

Beneath the Sacred Temples

January 22, 2022 at 02:00 AM

S18E04

The World on Alert

January 29, 2022 at 02:00 AM

S18E05

Recovering the Ark of the Covenant

February 12, 2022 at 02:00 AM

S18E06

Secrets of the Star Ancestors

February 19, 2022 at 02:00 AM

S18E07

Alien Air Force

February 26, 2022 at 02:00 AM

S18E08

The Shadow People

March 05, 2022 at 02:00 AM

S18E09

Decoding the Dragon Gods

March 12, 2022 at 02:00 AM

S18E10

The Time Benders

March 19, 2022 at 01:00 AM

S18E11

Ancient Aliens On Location: Incredible Structures

July 09, 2022 at 01:00 AM

S18E12

Ancient Aliens On Location: Extraordinary Encounters

July 16, 2022 at 01:00 AM

S18E13

Ancient Aliens On Location: Decoding The Alien Glyphs

July 23, 2022 at 01:00 AM

S18E14

Ancient Aliens On Location: The UFO Investigations

July 30, 2022 at 01:00 AM

S18E15

Ancient Aliens On Location: Mysterious Artifacts

August 06, 2022 at 01:00 AM

S18E16

Ancient Aliens On Location: Evidence of Alien Life

August 13, 2022 at 01:00 AM

S18E17

The Shining Ones

August 20, 2022 at 01:00 AM

S18E18

The Journey to Immortality

August 27, 2022 at 12:00 AM

S18E19

Secrets of Inner Earth

September 10, 2022 at 12:00 AM

S18E20

Return of the Egyptian Gods

September 17, 2022 at 12:00 AM

Season 19

S19E01

The Hotspots Connection

January 07, 2023 at 02:00 AM

S19E02

The Crop Circle Code

January 14, 2023 at 02:00 AM

S19E03

Mystery of the Lost Civilization

January 21, 2023 at 02:00 AM

S19E04

The Power of the Obelisks

February 04, 2023 at 02:00 AM

S19E05

The MUFON Files

February 11, 2023 at 02:00 AM

S19E06

Cosmic Impacts

February 18, 2023 at 02:00 AM

S19E07

Close Encounters of the Fifth Kind

February 25, 2023 at 02:00 AM

S19E08

The Mysteries of Alaska

March 04, 2023 at 02:00 AM

S19E09

Aliens in our Airspace

March 11, 2023 at 02:00 AM

S19E10

The Giants of Malta

March 18, 2023 at 01:00 AM

S19E11

The Top Ten Pyramid Sites

July 01, 2023 at 01:00 AM

S19E12

The Top Ten Mysterious Devices

July 08, 2023 at 01:00 AM

S19E13

The Top Ten Mysterious Islands

July 15, 2023 at 01:00 AM

S19E14

The Top Ten Alien Craft

July 22, 2023 at 01:00 AM

S19E15

Edgar Cayce: The Sleeping Prophet

August 05, 2023 at 01:00 AM

S19E16

The Gods of Greece

August 12, 2023 at 01:00 AM

S19E17

The New UFO Hunters

August 19, 2023 at 01:00 AM

S19E18

Power of the Talisman

August 26, 2023 at 01:00 AM

S19E19

The Top Ten Mysteries of the Deep

September 09, 2023 at 01:00 AM

S19E20

The Top Ten Alien Petroglyphs

September 16, 2023 at 01:00 AM

Season 20

S20E01

The Top Ten Alien Influencers

January 06, 2024 at 02:00 AM

S20E02

The Top Ten Extraordinary Creatures

January 13, 2024 at 02:00 AM

S20E03

The Top Ten Hidden Alien Bases

January 20, 2024 at 02:00 AM

S20E04

The Top Ten Scariest Encounters

February 03, 2024 at 02:00 AM

S20E05

The Top Ten Alien Codes

February 10, 2024 at 02:00 AM

S20E06

The Top Ten Alien Disasters

February 17, 2024 at 02:00 AM

S20E07

Secrets of the Sumerians

February 24, 2024 at 02:00 AM

S20E08

The UFO Superhighway

March 02, 2024 at 02:00 AM

S20E09

Mysteries of Scotland

March 09, 2024 at 02:00 AM

S20E10

Mystery of the Stone Spheres

March 16, 2024 at 01:00 AM

S20E11

Mysteries of the Maya

June 29, 2024 at 01:00 AM

S20E12

Unlocking The Stargates

July 06, 2024 at 01:00 AM

S20E13

The Whistleblowers

July 13, 2024 at 01:00 AM

S20E14

The Search for Extraterrestrial Intelligence

July 20, 2024 at 01:00 AM

S20E15

Jacques Vallée: UFO Pioneer

August 10, 2024 at 01:00 AM

S20E16

The Teachers

August 17, 2024 at 01:00 AM

S20E17

Egypt's Giant Tombs

August 24, 2024 at 01:00 AM

S20E18

The Linda Moulton Howe Files

August 31, 2024 at 01:00 AM

S20E19

The Chosen

September 07, 2024 at 01:00 AM

S20E20

Resurrecting Puma Punku

September 14, 2024 at 01:00 AM

Season 21

S21E01

The Top Ten Extraordinary Discoveries

February 08, 2025 at 02:00 AM

S21E02

The Top Ten Mysterious Monoliths

February 15, 2025 at 02:00 AM

S21E03

The Top Ten UFO Crashes

February 22, 2025 at 02:00 AM

S21E04

The Top Ten Unexplained Technologies

March 01, 2025 at 02:00 AM

S21E05

The Top Ten Secret Projects

March 08, 2025 at 02:00 AM

S21E06

The Top Ten Mysterious Mountains

March 15, 2025 at 01:00 AM

S21E07

Mysteries of the Aztecs

March 22, 2025 at 01:00 AM

S21E08

The Glowing Orb Phenomenon

March 29, 2025 at 01:00 AM