9x01: Salmon on the Run
8x17: Artists in the Lab
8x16: Did Darwin Get It Wrong?
8x15: Locusts: War Without End
8x14: Cosmic Fire
8x13: The Great Violin Mystery
8x12: Why America Burns
8x10: Resolution on Saturn
8x09: Animal Olympians
8x07: Beyond the Milky Way
8x05: The Science of Murder
8x04: Anatomy of a Volcano
8x03: The Dead Sea Lives
8x02: Message in the Rocks
8x01: Doctors of Nigeria