Marlin travels to Africa, Galana Ranch, to observe the roundup of wild herd animals: eland, oryx, buffalo.

Marlin helps dart Bighorn Sheep from a helicopter along the Colorado River in the effort to transfer the sheep to the Henry Mountains on the other side of the river to increase their population.

Only once in 10 years does America's southwest Sonora Desert bloom spectacularly. The desert bursts into radiant color and the animals that live there do things they do at no other time. This episode features the animals of the desert when it's a carpet of flowers.

Perkins takes part in a research project in Newfoundland engaged in placing radio telemetry collars on the large male Woodland Caribou for observation purposes.

Marlin Perkins travels for the first time to Sri Lanka to study the behavior of rare and unusual monkeys

Marlin introduces Phyllis Lee who has been researching the behavior of one of the primates of Kenya, the Vervet monkey.

On Great Island, St. Johns Newfoundland, Marlin and researchers will collect 100 puffin chicks from their burrow to be flown to Maine and placed in artificial burrows in the effort to re-establish the puffin to their former breeding sites.

Story of a chimp named Lucy who was the first of her species to communicate with human through use of sign language raised here in the States and then taken to the Gambia, west Africa for rehabilitation and release.

Part II continues the story of a chimp named Lucy who was the first of her species to communicate with human through use of sign language raised here in the States and then taken to the Cambia, west Africa for rehabilitation and release.

"Miti Miwili" means "Two Trees" in Swahili language. This episode is a penetrating look at the balance of nature on the African plains; a species show, without people involved.

Perkins visits the first National Environmental Research Park near Akin, South Carolina to observe studies being conducted to help answer questions about man's impact on the environment in this nuclear age. Alligators are outfitted with transmitter collars and released into a reservoir, which receives heated water from a nuclear reactor. Bobcats are fitted with transmitter collars and released into a special wildlife preserve near the reservoir. Later they will be rounded up and measured for contamination.

Perkins joins a research team from the New York Zoological Society for a journey to the Baiyer River Sanctuary in New Guinea to photograph the elusive but world-famous birds of paradise.

Puffins are full of character and are loved by people across the globe. But many aspects of their lives remain unknown and they have rarely been filmed in detail. This film explores the colourful and intriguing world of Atlantic puffins, offering viewers a front row seat to puffin life in eastern Newfoundland and remote locations in Wales and Maine.