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• 01. Breath of Life
• 02. The Lost City of Nasca
• 03. The Diamond Makers
• 04. Supervolcanoes
• 05. Miracle in Orbit
• 06. Complete Obsession
• 07. Is GM Safe?
• 08. Planet Hunters Part I
• 09. Planet Hunters
• 10. Moon Children
• 11. Conjoined Twins
• 12. The Lost World of Lake Vostok
• 13. Vanished: The Plane That Disappeared
• 14. Secret Treasures of Zeugma
• 15. The Valley of Life or Death
• 16. Extreme Dinosaurs
• 17. Supermassive Black Holes
• 18. Boy Who Was Turned Into a Girl
• All episodes