Sezon 8
Bölümler
1 The Great Rift: Footprints in the Valley 8 Eki 1989 2 The Great Rift: Out of the Ashes 15 Eki 1989 3 The Great Rift: Breaking the Continent 22 Eki 1989 4 Under the Ice 29 Eki 1989 5 Land of Dragons 12 Kas 1989 6 The Great Wood of Caledon 19 Kas 1989 7 Gorillas 10 Ara 1989 8 Forest of Fear 17 Ara 1989 9 Gran Paradiso 7 Oca 1990 10 Cranes of the Grey Wind 21 Oca 1990 11 King Solomon's Mountains 4 Şub 1990 12 Hunters of the Sky 11 Şub 1990 13 A Wolf in the Fold 18 Şub 1990 14 The Colorado 4 Mar 1990 15 The Emerald Isle 11 Mar 1990 16 Giant Otters 18 Mar 1990 17 The Haida Gwai: Islands of the People 25 Mar 1990 18 Presque Isle: Land in Motion 1 Nis 1990 19 Yellowstone on Fire 8 Nis 1990 20 Serpents 15 Nis 1990