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Unsealed: Alien Files - First Contact

Seizoen: 4 - Aflevering: 20 / 105 - Eerst uitgezonden: 01 december 2015 - Episode ID: 1391651

For decades, scientists have been searching for proof that extraterrestrials exist. But just where does alien life exist? And what does it look like? Join us as we investigate just how close we are to First Contact.