Ancient Aliens

2010 Series 22 Seasons TV-PG HD
DocumentaryMysterySci‑FiFantasy

Did intelligent beings from outer space visit Earth thousands of years ago? From the age of the dinosaurs to ancient Egypt, from early cave drawings to continued mass sightings in the US, each episode gives historic depth to the questions, speculations, provocative controversies, first-hand accounts and grounded theories surrounding this age old debate.

Ancient Aliens Season 21 Episode 5: The Top Ten Secret Projects – Watch Online

Season 21 · Episode 5 ·

Ancient Aliens Season 21 Episode 5: The Top Ten Secret Projects – Watch Online

The Top Ten Secret Projects

Ancient Aliens is counting down ten of history's most compelling and covert projects that study the UFO phenomenon. From clandestine government organizations to agents that silence UFO witnesses and secret programs to reverse-engineer alien technology. Are these mysterious projects evidence of contact with extraterrestrials?

17 episodes

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Ancient Aliens

Episode 5 of season 21 of Ancient Aliens: “The Top Ten Secret Projects”. Aired 2025-03-07. Watch it online free on ZapFlix.