Visiting the most famous gorilla in Africa at the Johannesburg Zoo; red pandas; breeding program; Africa's only polar bears.

In Botswana; Jack and his daughter encounter lions; nature walk; elephants; rock python.

Seeking out the great white shark in Shark Alley, off the coast of South Africa.

Kalahari Desert; brown hyena with pups; orphaned zebra foal; village children; digging for scorpions.

North Carolina: llama trek; unique veterinary program; endangered wildlife.

Columbus Zoo; cougar; wolverine; armadillo; gibbon; clouded leopard; snakes; gorillas; red fox; possum.

During a horseback safari, an elephant charges Jack and Kathaleen.

A South African endangered species breeding program requires an antelope roundup and relocation of a white rhino.

Jack visits some of his favorite aquariums and parks; new programs focusing on animal enrichment.

In Central Florida; whooping cranes released; bald eagle population.