The UFO Pioneers Ancient Aliens : Season 16 Episode 9
TV-PG History 42m
Aired: March 5th, 2021 @ 9:00 PM EST on History
In the 20th century, pioneering scientists, journalists and investigators defied convention and began documenting UFOs. Now, with incredible new UFO accounts coming to light, will their work finally culminate in undeniable proof of extraterrestrial visitation?
