Sezon 9
Bölümler
1 Running For Their Lives 6 Oca 1991 2 Scandinavia: Lands of the Midnight Sun 13 Oca 1991 3 Scandinavia: Fresh Waters, Salt Seas 20 Oca 1991 4 The Cat That Came In From The Cold 27 Oca 1991 5 Portrait Of The Planet 3 Şub 1991 6 Two Weeks To Save The Planet 10 Şub 1991 7 Cranes Of The Grey Wind 17 Şub 1991 8 Even The Animals Must Be Free 3 Mar 1991 9 Marathon Birds 10 Mar 1991 10 The Great Karoo: A Secret Africa 17 Mar 1991 11 Big Oil: in the Wake Of Exxon Valdez 24 Mar 1991 12 Wings Over The Holy Land 31 Mar 1991 13 Hawaii: Beyond The Feathered Gods 14 Nis 1991 14 Treasures of the Gulf 6 May 1991