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What "Ancient Aliens" 22-th episode about
Examining some of the thousands of potentially habitable exoplanets discovered over the past 20 years and whether some of them could be home to intelligent extraterrestrial life.
Episode number: 22
Episode name: "Secrets of the Exoplanets"
Episode release date: 30 november 2019 at 02:00
Status: aired
Last season episode