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Crowded/Uncrowded: Optimum Populations in Nature (1x62)

Data di messa in onda: Feb 12, 1980

A wildlife expert visits the workshop to extoll on the impact humans have had on animals such as the wolf. FILM INSERT: Kudzu takes over parts of the South. The elephant struggles for survival in Africa. The Bloodhound Gang is called up to a lady's mansion in Part One of "The Case of the Cackling Ghost."