Ancient Aliens
The Top Ten Secret Projects
Season 17 Episode 3
Ten of history's most compelling UFO projects that have remained largely under the radar. The programme explores the various ways governments and organisations have investigated the subject matter, often away from public scrutiny
Ancient Aliens airs on Sky History at 10:00 PM, Friday 2 May. (New, subtitles.)
Learn more about Ancient Aliens and other education/science/factual topics on our factual page
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