Season 1
8 episodes · Aug 22, 2017
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S1E1Jupiter: King of the Planets
Aug 22, 201743mAstronaut Mike Massimino leads a journey to Jupiter where he investigates the planet's deepest mysteries and tries to discover if its origins make it the sun's secret twin.
S1E2Mars: The Definitive Guide
Aug 29, 201743mAstronaut Mike Massimino reveals the answers to some of the greatest mysteries on the Red Planet. Using the most detailed survey of Mars ever created, he discovers the dark history of our closest neighbor.
S1E3Venus: The Hell Planet
Sep 5, 201743mAstronaut Mike Massimino explores Venus, a hellish planet covered in active volcanoes and dense clouds. Using cutting edge technology, he decodes the secrets beneath this volatile planet and investigates if Earth could be heading towards the same fate.
S1E4Saturn: Mysteries Among the Rings
Sep 12, 201743mAstronaut Mike Massimino reveals the mysterious secrets of Saturn and its rings; using the latest science from the Cassini mission, he explores the planet's giant icy geysers, powerful hurricanes, and moon that may be hiding extraterrestrial life.
S1E5Planet 9: The Lost World
Sep 19, 201743mAstronaut Mike Massimino investigates the possibility of a giant ninth planet at the edge of the solar system; using the latest technology, he reveals the incredible secrets of this mysterious world.
S1E6Pluto: The Secret Science
Sep 26, 201743mAstronaut Mike Massimino explores the dwarf planet Pluto, a tiny frozen world surrounded in secrets; using the latest science, he investigates the possibility of life in its mysterious ocean.
S1E7Alien Worlds: Stranger Than Fiction
Oct 3, 201743mAstronaut Mike Massimino explores the incredible new alien planets being found daily by astronomers; using the latest science, he investigates everything from worlds that appear to eat light to planets that resemble Earth in shocking ways.
S1E8The Moon: Earth's Guardian Angel
Oct 10, 201743mAstronaut Mike Massimino reveals the mysterious secrets of the moon, a world permanently tied to Earth; using new research, he uncovers the mysterious origin of the moon and how it kick-started life on Earth.