This episode covers the great coniferous forests which ring the earth just below the Arctic ice in the north. Also covers other temperate forests such as the redwood, sequoia and pine forest. Life forms covered include birds, squirrels, moose, owls, lynx, wolverines, woodpeckers, shrews, voles, deer, bears, chipmunks, salamanders, ducks, snakes and fungi.

This episodes focuses on the equatorial jungles all around the world and the incredible array of life which inhabits them. Goes through the various levels of the jungle, including above the canopy, in the canopy, between the canopy and the ground and on the rainforest floor. Includes eagles, insects, monkeys, bats, frogs, gliding snakes, squirrels, macaws, various parasites, dancing birds, jaguars and the native people who inhabit rainforests.

This episode covers the wide, sweeping savannah lands which are much drier than the forest but still support an amazing array of life. Includes anteaters, insects, armadillos, birds, deer, tapir, lizards, wolves, crocodiles, turtles, capybara, frogs, gophers, prairie dogs, bison, coyote, antelope, giraffes, gazelle, lions, cheetah, monkeys, elephants, wildebeest, impala, zebras and the native peoples who live alongside them. Areas visited include Africa, North & South America and Asia.

This episode looks at the driest parts of the earth, the deserts, and reveals the life which exists there despite the heat and lack of water. Also discusses how the deserts developed and why. Animals included are hyenas, foxes, jerboa, lizards, native cats, gerbils, scorpions, spiders, wolves, turtles, lizards, birds, plants, frogs, snakes, lizards, moles and the ship of the desert, the camel. Covers the effects of rain, how creatures live in sand dunes and the ecosystems in oases.

This episode focuses on life above the earth, including animals which can actually fly and other which have the ability to glide or at least fall gracefully. Includes discussion of how birds actually fly including take-off and using thermals and other wind currents. Also includes a trip by hot air balloon to the end of the earth's atmosphere, 5 miles above the ground. Also includes information about how some creatures use gravity to their advantage. Includes insects, floating seeds, flying spiders, gliding frogs, geckos, lizards and squirrels; and many varieties of birds including the diving birds and bats.

This episode covers life in streams, puddles, lakes and rivers including the various stages of the development of rivers from their headwaters right through to the deltas. Also covers the effects of silt, erosion, rocks, waterfalls and other natural features. Includes larvae, water birds, reptiles, fish, pelicans, cormorants, snakes, fresh-water seals, otters, crocodiles, turtles and much more.

This episode focuses on coastlines including mud flats, mangrove swamps, rock pools and beaches. Creatures included are insects, crustaceans, worms, deer, boar, mud skippers, crabs, water birds, otters, crocodiles, sea urchins, anemones, starfish, mussels, mollusks and the magnificent sea turtles and their nesting habits.

This episode covers the habitats which are so remote and cut off from the rest of the world that they develop very specific sets of flora and fauna. These include a remote island 250 miles off the coast of Africa in the Indian Ocean, coral atolls, islands in Indonesia, Hawaii, Easter Island and New Zealand. Covers such diverse life forms as coral, crabs, tortoises, giant floating seeds, flightless birds, the dodo, Komodo Dragons, birds and insects which live in volcanic wastelands, tuataras, kiwi, moas, kea and the effects on them of feral cats. Includes discussion of how these animals arrived in these remote locations initially and how they have adapted to suit their habitat.

This episode focuses on the oceans, both in terms of their geography and their ecology. Discusses the various forms that the ocean floor takes including trenches, mountains and plains. From a life perspective this episode includes deep ocean creatures, plankton, anemone, crabs, rays, sharks, tuna, dolphins, narwhals, whales, walrus, seals, fish of all kinds, ducks, sea dragons, cuttlefish. From a specific habitat perspective many types including kelp forest, coral atolls, underwater deserts, the Sargasso sea, the gulf stream and the grand banks. The effect commercial fishing is having is called into question.

This episode explores the effect man has had and is having on the natural environment and the effect nature has on man. Includes domesticating animals, clearing forests, introducing different species, farming development and techniques. The episode also covers animals that live in cities and other urban environments and the effects of pollution, over-fishing, short sighted decisions and the ever-growing population of man.