Moons come in every possible shape and size. Home to incredible natural phenomena like gigantic geysers and colossal volcanoes, moons also offer perhaps the best chance of finding alien life in the Universe - and they probably exist in the billions.
Guest Cast
Cast Appearances
Mike Rowe
voices Himself (Narrator)
Episode Discussion
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Retitled, this episode re-aired on 7/2/2018 as “Search for Alien Moons" with a summary of "Alien moons might be the best opportunity to find extraterrestrial life, and new discoveries reveal the incredible secrets of these strange worlds."