Sezon 21
Bölümler
1 The Intelligence Man 9 Oca 1984 2 Microworld! 16 Oca 1984 3 A New Green Revolution? 23 Oca 1984 4 Spies in the Wires 30 Oca 1984 5 Valley of the Inca 13 Şub 1984 6 The Conquest of Parasites 27 Şub 1984 7 Reflections on a River 5 Mar 1984 8 A Normal Face 12 Mar 1984 9 Prisoners of Incest 19 Mar 1984 10 Signs of the Apes, Songs of the Whales 26 Mar 1984 11 Professor Bonner and the Slime Moulds 9 Nis 1984 12 The Mind of a Murderer: The Case of the Hillside Strangler 16 Nis 1984 13 The Mind of a Murderer: The Mask of Madness 23 Nis 1984 14 A Cruel Inheritance 30 Nis 1984 15 The Malvern Link 7 May 1984 16 Contented Cows and Other Animals 5 Kas 1984 17 Picking Winners 12 Kas 1984 18 The Brain Puzzle 19 Kas 1984 19 Global Village 26 Kas 1984 20 Ivan 3 Ara 1984 21 A Mathematical Mystery Tour 10 Ara 1984 22 Supercharged 17 Ara 1984