Ancient Aliens – Secrets of the Exoplanets episode 22 2019: Over the past 20 years, thousands of potentially habitable exoplanets have been discovered outside our solar system. Could some of them be home to intelligent extraterrestrial life? Perhaps even alien beings that have visited Earth?
Ancient Aliens explores the controversial theory that extraterrestrials have visited Earth for millions of years. From the age of the dinosaurs to ancient Egypt, from early cave drawings to continued mass sightings in the US, each episode in this hit HISTORY series gives historic depth to the questions, speculations, provocative controversies, first-hand accounts and grounded theories surrounding this age old debate. Did intelligent beings from outer space visit Earth thousands of years ago?
