https://www.cfr.org/blog/five-movies-about-ufos-worth-watching

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The Phenomenon (2020). If you want to brush up on the history of UFO sightings, The Phenomenon is for you. The documentary examines reports from the 1940s until now. Director and longtime “UFOlogist” James Fox uses archival footage and interviews from eyewitnesses and officials to make the case that the government knows more than it has told us. Terry said: “Though it takes some leaps from the existence of a government program on unidentified aerial phenomenon to the existence of extraterrestrial encounters, The Phenomenon includes intriguing new testimony from Navy pilots and former high-ranking government officials—including former Senate Majority Leader Harry Reid, former New Mexico Governor Bill Richardson, Clinton Chief of Staff John Podesta, and former Deputy Assistant Secretary of Defense for Intelligence Christopher Mellon.” You can watch The Phenomenon on Amazon Prime, Google Play, or YouTube.