Genre: Documentary, History, Paranormal
Premise: Investigators circle the globe in search of evidence in their quest to determine whether life on Earth began in outer space and if aliens influenced mankind in ancient times. Did extraterrestrial beings visit Earth and share information about technology and influence human religions? And more importantly, if aliens visited the planet before, will they return? Alien theorists believe that the answer to both questions is a resounding yes.
S11, E14 (First Aired: Aug. 26, 2016)
Ancient mythologies tell stories of humans being abducted by otherworldly beings, even as thousands of people continue to report being taken by aliens and then returned with implants and genetic mutations.
S03, E04 (First Aired: Aug. 18, 2011)
A church in southern France is said to hold the key to alchemy; locals in Peru believe UFO sightings are connected to lost gold at the bottom of Lake Puray; a library left behind by extraterrestrials.