Seasons and episodes
1Season 1 Apr. 20, 2010
1 - 1The Evidence Apr. 20, 2010
1 - 2The Visitors Apr. 27, 2010
1 - 3The Mission May. 04, 2010
1 - 4Closer Encounters May. 18, 2010
1 - 5The Return May. 25, 2010
2Season 2 Oct. 28, 2010
2 - 1Mysterious Places Oct. 28, 2010
2 - 2Gods & Aliens Nov. 04, 2010
2 - 3Underwater Worlds Nov. 11, 2010
2 - 4Underground Aliens Nov. 18, 2010
2 - 5Aliens and the Third Reich Nov. 25, 2010
2 - 6Alien Tech Dec. 02, 2010
2 - 7Angels and Aliens Dec. 09, 2010
2 - 8Unexplained Structures Dec. 16, 2010
2 - 9Alien Devastations Dec. 23, 2010
2 - 10Alien Contacts Dec. 30, 2010
3Season 3 Jul. 28, 2011
3 - 1Aliens and the Old West Jul. 28, 2011
3 - 2Aliens and Monsters Aug. 04, 2011
3 - 3Aliens and Sacred Places Aug. 11, 2011
3 - 4Aliens and Temples of Gold Aug. 18, 2011
3 - 5Aliens and Mysterious Rituals Aug. 25, 2011
3 - 6Aliens and Ancient Engineers Sep. 01, 2011
3 - 7Aliens, Plagues and Epidemics Sep. 08, 2011
3 - 8Aliens and Lost Worlds Sep. 15, 2011
3 - 9Aliens and Deadly Weapons Sep. 22, 2011
3 - 10Aliens and Evil Places Sep. 28, 2011
3 - 11Aliens and the Founding Fathers Oct. 05, 2011
3 - 12Aliens and Deadly Cults Oct. 12, 2011
3 - 13Aliens and the Secret Code Oct. 19, 2011
3 - 14Aliens and the Undead Oct. 26, 2011
3 - 15Aliens, Gods and Heroes Nov. 16, 2011
3 - 16Aliens and the Creation of Man Nov. 23, 2011
4Season 4 Feb. 17, 2012
4 - 1The Mayan Conspiracy Feb. 17, 2012
4 - 2The Doomsday Prophecies Feb. 17, 2012
4 - 3The Greys Feb. 24, 2012
4 - 4Aliens and Mega-Disasters Mar. 02, 2012
4 - 5The NASA Connection Mar. 09, 2012
4 - 6The Mystery of Puma Punku Mar. 16, 2012
4 - 7Aliens and Bigfoot Mar. 23, 2012
4 - 8The Da Vinci Conspiracy Apr. 06, 2012
4 - 9The Time Travelers Apr. 27, 2012
4 - 10Aliens and Dinosaurs May. 04, 2012
5Season 5 Dec. 21, 2012
5 - 1Secrets of the Pyramids Dec. 21, 2012
5 - 2Aliens and Cover-Ups Dec. 28, 2012
5 - 3Alien Power Plants Jan. 04, 2013
5 - 4Destination Orion Jan. 11, 2013
5 - 5The Einstein Factor Jan. 18, 2013
5 - 6Secrets of the Tombs Jan. 25, 2013
5 - 7Prophets and Prophecies Feb. 08, 2013
5 - 8Beyond Nazca Feb. 15, 2013
5 - 9Strange Abductions Feb. 22, 2013
5 - 10The Von Daniken Legacy Apr. 05, 2013
5 - 11The Viking Gods Apr. 12, 2013
5 - 12The Monoliths Apr. 19, 2013
6Season 6 Sep. 30, 2013
6 - 1The Power of Three Sep. 30, 2013
6 - 2The Crystal Skulls Oct. 07, 2013
6 - 3The Anunnaki Connection Oct. 14, 2013
6 - 4Magic of the Gods Oct. 21, 2013
6 - 5The Satan Conspiracy Oct. 28, 2013
6 - 6Alien Operations Nov. 01, 2013
6 - 7Emperors, Kings and Pharaohs Nov. 08, 2013
6 - 8Mysterious Relics Nov. 15, 2013
6 - 9Aliens and Forbidden Islands Nov. 29, 2013
6 - 10Aliens and The Lost Ark Dec. 06, 2013
6 - 11Aliens and Mysterious Mountains Dec. 13, 2013
7Season 7 Jan. 24, 2014
7 - 1Aliens and Stargates Jan. 24, 2014
7 - 2Aliens in America Jan. 31, 2014
7 - 3The Star Children Feb. 07, 2014
7 - 4Treasures of the Gods Feb. 14, 2014
7 - 5Aliens and the Red Planet Feb. 21, 2014
7 - 6The Shamans Feb. 28, 2014
7 - 7Aliens and Insects Mar. 07, 2014
7 - 8Alien Breeders Mar. 14, 2014
8Season 8 Jun. 13, 2014
8 - 1Alien Transports Jun. 13, 2014
8 - 2Mysterious Structures Jun. 20, 2014
8 - 3Mysterious Devices Jun. 27, 2014
8 - 4The Reptilians Jul. 25, 2014
8 - 5The Tesla Experiment Aug. 01, 2014
8 - 6The God Particle Aug. 08, 2014
8 - 7Alien Encounters Aug. 15, 2014
8 - 8Aliens & Superheroes Aug. 22, 2014
9Season 9 Oct. 31, 2014
9 - 1Forbidden Caves Oct. 31, 2014
9 - 2Mysteries of the Sphinx Nov. 07, 2014
9 - 3Aliens Among Us Nov. 14, 2014
9 - 4The Genius Factor Nov. 21, 2014
9 - 5Secrets of the Mummies Nov. 28, 2014
9 - 6Alien Resurrections Dec. 05, 2014
9 - 7Alien Messages Dec. 19, 2014
9 - 8The Great Flood Dec. 23, 2014
9 - 9Aliens and the Civil War Apr. 10, 2015
9 - 10Hidden Pyramids Apr. 17, 2015
9 - 11The Vanishings Apr. 24, 2015
9 - 12The Alien Agenda May. 01, 2015
10Season 10 Jul. 24, 2015
10 - 1Aliens B.C. Jul. 24, 2015
10 - 2NASA's Secret Agenda Jul. 31, 2015
10 - 3Aliens and Robots Aug. 07, 2015
10 - 4Dark Forces Aug. 14, 2015
10 - 5The Alien Evolution Aug. 21, 2015
10 - 6The Other Earth Aug. 28, 2015
10 - 7Creatures of the Deep Sep. 04, 2015
10 - 8Circles from the Sky Sep. 18, 2015
10 - 9The Alien Wars Oct. 02, 2015
10 - 10The Forbidden Zones Oct. 09, 2015
11Season 11 May. 06, 2016
11 - 1Pyramids of Antarctica May. 06, 2016
11 - 2Destination Mars May. 13, 2016
11 - 3The Next Humans May. 20, 2016
11 - 4The New Evidence May. 27, 2016
11 - 5The Visionaries Jun. 10, 2016
11 - 6Decoding the Cosmic Egg Jun. 17, 2016
11 - 7The Wisdom Keepers Jun. 24, 2016
11 - 8The Mysterious Nine Jul. 08, 2016
11 - 9The Hidden Empire Jul. 15, 2016
11 - 10The Prototypes Jul. 22, 2016
11 - 11Space Station Moon Jul. 29, 2016
11 - 12Russia's Secret Files Aug. 12, 2016
11 - 13Beyond Roswell Aug. 19, 2016
11 - 14The Returned Aug. 26, 2016
11 - 15Shiva the Destroyer Sep. 02, 2016
12Season 12 Apr. 28, 2017
12 - 1The Alien Hunters Apr. 28, 2017
12 - 2Forged by the Gods May. 05, 2017
12 - 3The Mystery of Rudloe Manor May. 12, 2017
12 - 4The Alien Architects May. 19, 2017
12 - 5The Pharaohs' Curse May. 26, 2017
12 - 6The Science Wars Jun. 02, 2017
12 - 7City of the Gods Jun. 09, 2017
12 - 8The Alien Frequency Jun. 16, 2017
12 - 9The Majestic Twelve Jul. 07, 2017
12 - 10The Akashic Record Jul. 14, 2017
12 - 11Voices of the Gods Jul. 21, 2017
12 - 12The Animal Agenda Jul. 28, 2017
12 - 13The Replicants Aug. 04, 2017
12 - 14A Spaceship Made of Stone Aug. 11, 2017
12 - 15The Alien Disks Sep. 08, 2017
12 - 16Return to Gobekli Tepe Sep. 15, 2017
13Season 13 Apr. 27, 2018
13 - 1The UFO Conspiracy Apr. 27, 2018
13 - 2Da Vinci's Forbidden Codes May. 04, 2018
13 - 3The Alien Protocols May. 11, 2018
13 - 4Earth's Black Holes May. 18, 2018
13 - 5The Desert Codes May. 25, 2018
13 - 6Area 52 Jun. 01, 2018
13 - 7Earth Station Egypt Jul. 20, 2018
13 - 8Island of the Giants Jul. 27, 2018
13 - 9The Taken Aug. 03, 2018
13 - 10The Sentinels Aug. 10, 2018
13 - 11Russia Declassified Aug. 17, 2018
13 - 12They Came From the Sky Aug. 24, 2018
13 - 13The Artificial Human Aug. 31, 2018
13 - 14The Alien Phenomenon Jan. 04, 2019
13 - 15Return to Mars Jan. 07, 2019
14Season 14 May. 31, 2019
14 - 1Return to Antarctica May. 31, 2019
14 - 2The Badlands Guardian Jun. 07, 2019
14 - 3Element 115 Jun. 14, 2019
14 - 4The Star Gods of Sirius Jun. 21, 2019
14 - 5They Came from the Sea Jun. 28, 2019
14 - 6Secrets of the Maya Jul. 05, 2019
14 - 7The Druid Connection Jul. 19, 2019
14 - 8The Reptilian Agenda Jul. 26, 2019
14 - 9The Alien Infection Aug. 02, 2019
14 - 10Project Hybrid Aug. 09, 2019
14 - 11The Trans-Dimensionals Aug. 16, 2019
14 - 12Islands of Fire Aug. 23, 2019
14 - 13The Constellation Code Aug. 30, 2019
14 - 14The Nuclear Agenda Sep. 06, 2019
14 - 15The Alien Mountain Oct. 04, 2019
14 - 16The Alien Brain Oct. 11, 2019
14 - 17The Secrets of Stonehenge Oct. 18, 2019
14 - 18Food of the Gods Nov. 01, 2019
14 - 19Human Hieroglyphs Nov. 08, 2019
14 - 20The Storming of Area 51 Nov. 15, 2019
14 - 21Countdown to Disclosure Nov. 22, 2019
14 - 22Secrets of the Exoplanets Nov. 29, 2019
15Season 15 Jan. 25, 2020
15 - 1The Mystery of Nan Madol Jan. 25, 2020
15 - 2The Relics of Roswell Feb. 01, 2020
15 - 3Destination Chile Feb. 08, 2020
15 - 4The Real Men in Black Feb. 15, 2020
15 - 5The Mystery of the Stone Giants Feb. 22, 2020
15 - 6The World Before Time Feb. 29, 2020
15 - 7They Came from The Pleiades Mar. 07, 2020
15 - 8The Immortality Machine Mar. 14, 2020
15 - 9The Shapeshifters Mar. 21, 2020
15 - 10The Mystery of Skinwalker Ranch Mar. 28, 2020
15 - 11The Ultimate Guide to UFOs Apr. 11, 2020
15 - 12Aliens and the Presidents Apr. 18, 2020
16Season 16 Nov. 13, 2020
16 - 1The Divine Number Nov. 13, 2020
16 - 2The Lost Kingdom Nov. 20, 2020
16 - 3The Galactic Keyhole Dec. 04, 2020
16 - 4Giants of the Mediterranean Dec. 11, 2020
16 - 5The Forbidden Bible Dec. 18, 2020
16 - 6William Shatner Meets Ancient Aliens Feb. 12, 2021
16 - 7Impossible Artifacts Feb. 19, 2021
16 - 8The Space Travelers Feb. 26, 2021
16 - 9The UFO Pioneers Mar. 05, 2021
16 - 10The Harmonic Code Mar. 12, 2021
17Season 17 Aug. 06, 2021
17 - 1The Lost City of Peru Aug. 06, 2021
17 - 2Top Ten Mysterious Sites Aug. 13, 2021
17 - 3Top Ten Alien Cover-Ups Aug. 20, 2021
17 - 4The Mystery of Mount Shasta Sep. 17, 2021
17 - 5The Human Experiment Sep. 24, 2021
17 - 6Top Ten Alien Encounters Oct. 01, 2021
17 - 7Top Ten Alien Artifacts Oct. 08, 2021
18Season 18 Jan. 07, 2022
18 - 1The Disclosure Event Jan. 07, 2022
18 - 2Mystery of the Standing Stones Jan. 14, 2022
18 - 3Beneath the Sacred Temples Jan. 21, 2022
18 - 4The World on Alert Jan. 28, 2022
18 - 5Recovering The Ark Of The Covenant Feb. 11, 2022
18 - 6Secrets Of The Star Ancestors Feb. 18, 2022
18 - 7Alien Air Force Feb. 25, 2022
18 - 8The Shadow People Mar. 04, 2022
18 - 9Decoding the Dragon Gods Mar. 11, 2022
18 - 10The Time Benders Mar. 18, 2022
18 - 11Ancient Aliens On Location: Incredible Structures Jul. 08, 2022
18 - 12Ancient Aliens On Location: Extraordinary Encounters Jul. 15, 2022
18 - 13Ancient Aliens on Location: The Alien Glyphs Jul. 22, 2022
18 - 14Ancient Aliens On Location: The UFO Investigations Jul. 29, 2022
18 - 15Ancient Aliens On Location: Mysterious Artifacts Aug. 05, 2022
18 - 16Ancient Aliens on Location: Evidence of Alien Life Aug. 12, 2022
18 - 17The Shining Ones Aug. 19, 2022
18 - 18The Journey to Immortality Aug. 26, 2022
18 - 19Secrets of Inner Earth Sep. 09, 2022
18 - 20Return of the Egyptian Gods Sep. 16, 2022
19Season 19 Jan. 06, 2023
19 - 1The Hotspot Connection Jan. 06, 2023
19 - 2The Crop Circle Code Jan. 13, 2023
19 - 3Mystery of the Lost Civilization Jan. 20, 2023
19 - 4The Power of the Obelisks Feb. 03, 2023
19 - 5The MUFON Files Feb. 10, 2023
19 - 6Cosmic Impacts Feb. 17, 2023
19 - 7Close Encounters of the Fifth Kind Feb. 24, 2023
19 - 8The Mysteries of Alaska Mar. 03, 2023
19 - 9Aliens in our Airspace Mar. 10, 2023
19 - 10The Giants of Malta Mar. 17, 2023
19 - 11The Top Ten Pyramid Sites Jun. 30, 2023
19 - 12The Top Ten Mysterious Devices Jul. 07, 2023
19 - 13The Top Ten Mysterious Islands Jul. 14, 2023
19 - 14The Top Ten Alien Craft Jul. 21, 2023
19 - 15Edgar Cayce: The Sleeping Prophet Aug. 04, 2023
19 - 16The Gods of Greece Aug. 11, 2023
19 - 17The New UFO Hunters Aug. 18, 2023
19 - 18Power of the Talisman Aug. 25, 2023
19 - 19The Top Ten Mysteries of the Deep Sep. 08, 2023
19 - 20The Top Ten Alien Petroglyphs Sep. 15, 2023
20Season 20 Jan. 05, 2024
20 - 1The Top Ten Alien Influencers Jan. 05, 2024
20 - 2The Top Ten Extraordinary Creatures Jan. 12, 2024
20 - 3The Top Ten Hidden Alien Bases Jan. 19, 2024
20 - 4The Top Ten Scariest Encounters Feb. 02, 2024
20 - 5The Top Ten Alien Codes Feb. 09, 2024
20 - 6The Top Ten Alien Disasters Feb. 16, 2024
20 - 7Secrets Of The Sumerians Feb. 23, 2024
20 - 8The UFO Superhighway Mar. 01, 2024
20 - 9Mysteries of Scotland Mar. 08, 2024
20 - 10Mystery of the Stone Spheres Mar. 15, 2024
20 - 11Mysteries of the Maya Jun. 28, 2024- 20 - 12Unlocking the Stargates Jul. 05, 2024
- 20 - 13The Whistleblowers Jul. 12, 2024
- 20 - 14The Search For Extraterrestrial Intelligence Jul. 19, 2024
20 - 15Jacques Vallée: UFO Pioneer Aug. 09, 2024
20 - 16The Teachers Aug. 16, 2024
20 - 17Egypt's Giant Tombs Aug. 23, 2024
20 - 18The Linda Moulton Howe Files Aug. 30, 2024- 20 - 19The Chosen Sep. 06, 2024
- 20 - 20Resurrecting Puma Punku Sep. 13, 2024
21Season 21 Feb. 07, 2025
21 - 1The Top Ten Extraordinary Discoveries Feb. 07, 2025
21 - 2The Top Ten Mysterious Monoliths Feb. 14, 2025
21 - 3The Top Ten UFO Crashes Feb. 21, 2025
21 - 4The Top Ten Unexplained Technologies Feb. 28, 2025
21 - 5The Top Ten Secret Projects Mar. 07, 2025- 21 - 6The Top Ten Mysterious Mountains Mar. 14, 2025
- 21 - 7Mysteries of the Aztecs Mar. 21, 2025
- 21 - 8The Glowing Orb Phenomenon Mar. 28, 2025
- 21 - 9The Legacy of J. Allen Hynek Aug. 29, 2025
- 21 - 10The Volcano Factor Sep. 05, 2025
- 21 - 11The Birdman Mystery Sep. 12, 2025
- 21 - 12The Abduction Files Sep. 19, 2025
21 - 13The Giants Oct. 02, 2025
21 - 14Aliens In Our Midst Oct. 09, 2025- 21 - 15Britain's UFO Files Oct. 16, 2025
- 21 - 16Mysteries Of The Norse Gods Oct. 23, 2025
21 - 17Secrets of Japan Nov. 06, 2025- 21 - 18Skulls of the Gods Nov. 13, 2025
- 21 - 19Islands of the Gods Nov. 20, 2025
Creator
Creator
Cast
Narrator (voice)
Self
Self
Self
Self
Self
Self
Video trailer
Synopsis
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.
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Original title Ancient Aliens
TMDb Rating 6.841 249 votes
First air date Apr. 20, 2010
Last air date Mar. 15, 2024
Seasons 20
Episodes 249
Average Duration 42 minutes
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