An international hit television series, Ancient Aliens® takes viewers on a thought-provoking journey to uncover the possibility of extraterrestrial contact in our remote past. Exploring the most credible evidence unearthed, from the mysteries of ancient Egypt to the science behind time travel, each episode in this hit HISTORY® series examines the questions, first-hand accounts and grounded theories surrounding the age old debate: Did intelligent beings from outer space visit Earth thousands of years ago?