Season 1

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  N/A/100 votes

  Jupiter: King of the Planets

  Season 1 Episode 1 - Aired 8/22/2017

  Astronaut 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.

  Director: Unknown

  Writer: Unknown

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  N/A/100 votes

  Mars: The Definitive Guide

  Season 1 Episode 2 - Aired 8/29/2017

  Astronaut 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.

  Director: Unknown

  Writer: Unknown

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  N/A/100 votes

  Venus: The Hell Planet

  Season 1 Episode 3 - Aired 9/5/2017

  Astronaut 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.

  Director: Unknown

  Writer: Unknown

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  N/A/100 votes

  Saturn: Mysteries Among the Rings

  Season 1 Episode 4 - Aired 9/12/2017

  Astronaut 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.

  Director: Unknown

  Writer: Unknown

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  N/A/100 votes

  Planet 9: The Lost World

  Season 1 Episode 5 - Aired 9/19/2017

  Astronaut 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.

  Director: Unknown

  Writer: Unknown

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  N/A/100 votes

  Pluto: The Secret Science

  Season 1 Episode 6 - Aired 9/26/2017

  Astronaut 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.

  Director: Unknown

  Writer: Unknown

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  N/A/100 votes

  Alien Worlds: Stranger Than Fiction

  Season 1 Episode 7 - Aired 10/3/2017

  Astronaut 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.

  Director: Unknown

  Writer: Unknown

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  N/A/100 votes

  The Moon: Earth's Guardian Angel

  Season 1 Episode 8 - Aired 10/10/2017

  Astronaut 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.

  Director: Unknown

  Writer: Unknown