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• S3.E1 ∙ Journey from the Center of the Sun
• S3.E2 ∙ The End of the Universe
• S3.E3 ∙ Jupiter: Destroyer or Savior?
• S3.E4 ∙ First Second of the Big Bang
• S3.E5 ∙ Is Saturn Alive?
• S3.E6 ∙ Weapons of Mass Extinction
• S3.E7 ∙ Did a Black Hole Build the Milky Way?
• S3.E8 ∙ Our Voyage to the Stars
• S3.E9 ∙ The Search for a Second Earth