NOVA — Season 13

E01 Halley's Comet: Once in a Lifetime 21 Jan 1986 E02 Goddess of the Earth 28 Jan 1986 E03 Horsemen of China 04 Feb 1986 E04 Life's First Feelings 11 Feb 1986 E05 The Case of the Frozen Addict 18 Feb 1986 E06 Toxic Trials 25 Feb 1986 E07 Skydive to the Rain Forest 04 Mar 1986 E08 Return of the Osprey 11 Mar 1986 E09 The Rise of a Wonder Drug 18 Mar 1986 E10 When Wonder Drugs Don't Work 25 Mar 1986 E11 Visions of Star Wars 22 Apr 1986 E12 The Search for the Disappeared 14 Oct 1986 E13 The Planet that Got Knocked on its Side 21 Oct 1986 E14 High-Tech Babies 04 Nov 1986 E15 Can AIDS Be Stopped? 11 Nov 1986 E16 Is Anybody Out There? 18 Nov 1986 E17 Mystery of the Animal Pathfinders 25 Nov 1986 E18 Are You Swimming in a Sewer? 02 Dec 1986 E19 Sail Wars! 09 Dec 1986 E20 Leprosy Can Be Cured! 16 Dec 1986 E21 How Babies Get Made 13 Jan 1987