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.
S05, E01 (First Aired: Dec. 21, 2012)
A potential extraterrestrial link to pyramids.
S11, E15 (First Aired: Sep. 2, 2016)
Theorists suggest that Shiva, an important Hindu god, may have been the leader of an extraterrestrial faction that came to Earth wielding advanced technology, pointing to an ancient rock-cut Hindu temple as proof.