The Nature of Things — Season 40

E01 Phallacies 04 Oct 1999 E02 The Hidden Killer: Portrait of an Epidemic 18 Oct 1999 E03 Parkinson's: Lynda's Story 25 Oct 1999 E04 Lost 08 Nov 1999 E05 Designing for Dignity: Engineering Body Parts 22 Nov 1999 E06 Race for the Future 29 Nov 1999 E07 Race for the Future, Part 2 06 Dec 1999 E08 The Sleep Famine 24 Jan 1999 E09 Do Parents Matter? 07 Feb 1999 E10 Silent Sentinels 21 Feb 2000 E11 Wild Goose Chase 28 Feb 2000 E12 Humans: Who are We, Part 1 - The Birth of The Human Mind 13 Mar 2000 E13 Humans: Who Are We?, Part 2 - The Human Invasion 20 Mar 2000 E14 Weather: Dragons of Chaos 27 Mar 2000 E15 The Green Zone 27 Mar 2000