Season 1 Episodes14
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Ranked #2 of 14 in Season 1•+0.4 vs season avg
From the mission that saw Pluto for the first time to the Mars rovers, a new breed of explorers are risking their careers, and even their lives, to lead humanity to worlds we have never seen and tackle the mysteries of life itself.
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"The Universe's Greatest Hits" is episode 1 of Space's Deepest Secrets season 1. It scored 8.3/10 from 28 votes, ranking #2 of 14 episodes this season (season average 7.9). It aired on April 26, 2016.