2x11 Possible Worlds: Shadows of Forgotten Ancestors
First Aired: Apr. 13, 2020 on National Geographic Channel
Summary: From the birth of the devil in ancient Persia, where a beloved family dog becomes a seething beast, to a searing story of saintliness among macaque monkeys, join an exploration into the human potential for change. One of history's greatest monsters is transformed into one of its shining lights.
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