Ancient Aliens Declassified

Cover-Ups, Evidence and Visitors (1x43)

Air date: Oct 26, 2018

In 1984, a roll of film surfaces from an anonymous source that contains pictures of what is now known as the Eisenhower Briefing Document; it's purported to be a memo sent from the director of the CIA in 1952 to President-elect Dwight Eisenhower.