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.

Mystery

Sci-Fi & Fantasy

Documentary

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Ancient Aliens History of Man T-Shirt

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Ancient Aliens

History

Robert Clotworthy

William Henry

Giorgio A. Tsoukalos

Ariel Bar Tzadok

Jonathan Young

David Childress

When 10-year-old Ben Tennyson discovers a mysterious device, he gains the power to change into ten different alien heroes, each with uniquely awesome powers. With such abilities at his disposal, Ben realizes a greater responsibility to help others and stop evildoers, but that doesn't mean he's above a little superpowered mischief now and then.

Ancient Aliens vs Ben 10

Ancient Aliens

Ben 10