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10 Episodes
S4 E1 - The Mayan Conspiracy
S4 E2 - The Doomsday Prophecies
S4 E3 - The Greys
S4 E4 - Aliens and Mega-Disasters
S4 E5 - The NASA Connection
S4 E6 - The Mystery of Puma Punku
S4 E7 - Aliens and Bigfoot
S4 E8 - The Da Vinci Conspiracy
S4 E9 - The Time Travelers
S4 E10 - Aliens and Dinosaurs
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Synopsis
This series continues to debate the possibility that extraterrestrials visited Earth thousands of years ago and steered the development of civilization.
