The Nature of Things — Season 14

E01 Puffins, Predators and Pirates 26 Nov 1973 E02 The Club of Rome 03 Dec 1973 E03 Ellesmere Island 10 Dec 1973 E04 Anybody's Child 17 Dec 1973 E05 A Comet's Tale 07 Jan 1974 E06 The First Inch 14 Jan 1974 E07 The Serious Business of Play 21 Jan 1974 E08 Out of the Mouths of Babes 28 Jan 1974 E09 The Joy of Effort 04 Feb 1974 E10 Therapeutic Family 06 May 1974