在以下频道推出： HISTORY、Philo、Prime Video、Hulu、Sling TV
《Ancient Aliens Season 13》第 3 集：: In 2017, a strange, cigar-shaped object entered our solar system from another star system traveling in such an unusual trajectory it caused some astronomers to suggest that it could be an extraterrestrial craft. It brought up an important question--will we have a plan in place for what to do if we encounter alien life?
Documentary · 2018年5月11日 · 40 分钟