7.1·2010·22 Seasons·English
Currently AiringNext episodeS22E12·Jul 16, 2026in 3 days
DocumentaryMysterySci-Fi & Fantasy
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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Main Cast
Seasons · 23
Specials
2009·10 ép.
Season 1
2010·5 ép.
Season 2
2010·10 ép.
Season 3
2011·16 ép.
Season 4
2012·10 ép.
Season 5
2012·12 ép.
Season 6
2013·11 ép.
Season 7
2014·8 ép.
Season 8
2014·8 ép.
Season 9
2014·12 ép.
Season 10
2015·10 ép.
Season 11
2016·15 ép.
Season 12
2017·16 ép.
Season 13
2018·15 ép.
Season 14
2019·22 ép.
Season 15
2020·12 ép.
Season 16
2020·10 ép.
Season 17
2021·7 ép.
Season 18
2022·20 ép.
Season 19
2023·20 ép.
Season 20
2024·20 ép.
Season 21
2025·20 ép.
Season 22
2026·13 ép.
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