New discoveries reveal the secrets of the most mysterious and dangerous planets in the Solar System. This episode of is a mashup of "How the Universe Works" S06E06 "Secret History of Mercury" and S04E02 "Earth, Venus's Evil Twin." |
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Title: | Expedition to the Hell Planets | |
Air Date: | February 19, 2018 | |
Runtime: | 60 min | |
etim : That little Duracell gag at the end... perfect! I half expected to see the Energizer Bunn...