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4 Episodes
S1 E1 - Close Encounters
S1 E2 - Ancient Visitors
S1 E3 - UFOs Over England
S1 E4 - Roswell Revealed
Streaming, rent, or buy Expedition Unknown: Hunt for Extraterrestrials – Season 1:
Currently you are able to watch "Expedition Unknown: Hunt for Extraterrestrials - Season 1" streaming on Discovery+ Amazon Channel or buy it as download on Amazon Video.
