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• S3.E1 ∙ Hunt for the Hidden Cosmos
• S3.E2 ∙ When Meteors Attack
• S3.E3 ∙ Inside the New Space Race
• S3.E4 ∙ Search for Alien Earths
• S3.E5 ∙ Cassini's Grand Finale
• S3.E6 ∙ The Sun's Greatest Mysteries
• S3.E7 ∙ Expedition Extraterrestrial
• S3.E8 ∙ When Black Holes Collide