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Currently you are able to watch "Expedition Unknown: Hunt for Extraterrestrials" streaming on Discovery +, Discovery+ Amazon Channel.
There are no options to watch Expedition Unknown: Hunt for Extraterrestrials for free online today in Canada. You can select 'Free' and hit the notification bell to be notified when show is available to watch for free on streaming services and TV.
Josh Gates sets off on the most extraordinary expedition of his career. He'll journey over 50,000 miles to four continents to tackle mankind's greatest question: Are we alone in the universe?