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Ancient Aliens: S13 E15
Return to Mars
An examination of possible encounters humans could have once colonies are established beyond Earth.
S13 - E1The UFO Conspiracy Apr. 27, 2018
S13 - E2Da Vinci's Forbidden Codes May. 04, 2018
S13 - E3The Alien Protocols May. 11, 2018
S13 - E4Earth's Black Holes May. 18, 2018
S13 - E5The Desert Codes May. 25, 2018
S13 - E6Area 52 Jun. 01, 2018
S13 - E7Earth Station Egypt Jul. 20, 2018
S13 - E8Island of the Giants Jul. 27, 2018
S13 - E9The Taken Aug. 03, 2018
S13 - E10The Sentinels Aug. 10, 2018
S13 - E11Russia Declassified Aug. 17, 2018
S13 - E12They Came From the Sky Aug. 24, 2018
S13 - E13The Artificial Human Aug. 31, 2018
S13 - E14The Alien Phenomenon Jan. 04, 2019
S13 - E15Return to Mars Jan. 07, 2019