Marlin and Jim travel by jeep at the hottest time of the year to the rugged Sonora Desert in Arizona on a reptile collecting expedition.

Marlin and Jim journey by flat-bottomed boat into the uncharted, moss-covered silence of the Louisiana bayou country on an animal collecting trip.

This is the tale of the fox cub as it explores the wild kingdom for the first time in the North Woods of Wisconsin.

Marlin and Jim observe a family of bobcats in the Zion Canyon area in the Utah wilderness.

Marlin and Jim visit South Africa to study and photograph the chacma baboons in their natural environment and to conduct some fascinating experiments.

The chacma baboon has many homes. Marlin and Jim explore all of 'chacma country' from the lush coastal areas to the semi-desert interiors of South Africa.

Marlin and Jim spend weeks traversing the Southern California Coast in search of a whale.

Deep in the interior of British Guiana roam the big cats of South America...the jaguar, cougar, margay, ocelot and the jaguarundi. Marlin and Jim journey by canoe and horseback to get a closer look at these killer cats in action.

The Okavango, a vast area of swamp and sand is a haven for many animals of Africa. Marlin and Jim explore this luxuriant oasis that's alive with animal activity.

As civilization moves step by step into the wild kingdom, all forms of wildlife are forced to retreat until in many cases their survival is challenged. Man must meet this challenge and help animals survive. In this episode, man finds excitement and action as he captures, tags and relocated animals all over the world.

Deep in the forest of South America Marlin and Jim journey through this twilight world to observe the many strange and beautiful creatures that inhabit this primitive forest.

Bulldogging elk from helicopters in the snow-covered Colorado mountains highlights a trip to the wild kingdom in winter.

In the Sariska jungle in Rajasthan, northern India, a family of Bengal tigers have established their home. Marlin journeys to this distant land to observe the cats in their natural environment.

Life story of the penguin and hazards it faces in the land of perpetual ice and snow.