Sezon 10
Bölümler
1 Man-Made for Nature 30 Tem 1972 2 Where Him of the Hairy Hands Lives 13 Eyl 1972 3 Air Support 20 Eyl 1972 4 Episode 4 27 Eyl 1972 5 A Robe of White 4 Eki 1972 6 Citizens of the Coral 11 Eki 1972 7 Miracle at Tendaho 18 Eki 1972 8 Flight of the Snow Geese 25 Ara 1972 9 Serengeti has not Died 3 Oca 1973 10 Airlift 4 Oca 1973 11 Beat of the Different Drummer 10 Oca 1973 12 Mikra Prespa 17 Oca 1973 13 A Matter of Trust: The Founders 24 Oca 1973 14 A Matter of Trust: The Partners 31 Oca 1973 15 Saga of the Sea Otter 7 Şub 1973 16 Lure of the Falcon 14 Şub 1973