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• 01. Helike - The Real Atlantis
• 02. Volcano Hell
• 03. Fatbusters
• 04. The Lost Pyramids of Caral
• 05. Death of the Iceman
• 06. Parallel Universes
• 07. The Dinosaur that Fooled the World
• 08. Fall of the World Trade Centre
• 09. Archimedes' Secret
• 10. The Mystery of the Jurassic
• 11. Killer Lakes
• 12. The A6 Murder
• 13. The England Patient
• 14. Freak Wave
• 15. Stone Age Columbus
• 16. Homeopathy: The Test
• 17. The Day the Earth Nearly Died
• 18. Secret of El Dorado
• 19. The Mystery of Easter Island
• 20. Living Nightmare
• 21. Averting Armageddon
• 22. Dirty Bomb
• 23. Sexual Chemistry
• 24. The Day We Learned to Think
• 25. Trial and Error
• 26. Earthquake Storms
• 27. The Secret Lives of Caves
• 28. God on the Brain
• 29. Flight 587
• 30. SARS: The True Story
• 31. The Big Chill
• 32. Bible Code
• 33. Last Flight of the Columbia
• 34. The Hunt for the AIDS Vaccine
• 35. Perry Pilcher's Flying Machine
• 36. Time Trip
• All episodes