Part 1 of "Forces of the Wild," a five-part miniseries, explores the birth of the planet Earth, from the formation of the atmosphere and water to the miracle of life. Also: volcanoes and lava forms in Hawaii, and undersea volcanic zones near Iceland.

Part 2 of "Forces of the Wild" examines wind and water, two forces that shape the Earth and are each "a recipe for paradise---and for disaster." Footage includes tropical rain forests and deserts, including Death Valley (Cal.).

"Forces of the Wild" Part 3 documents the influence of the sun and the moon on life. Included: the prehistoric Stonehenge megaliths; gravity's effects on the moon and the earth; myths surrounding the seasons.

Part 4 of "Forces of the Wild" offers a grim warning against mankind's efforts to change elemental forces that shape the planet and transform nature to suit the modern world. Included: the effects of pollution and the weather pattern known as El Niño.

"Forces of the Wild" concludes with a look at the work of photographers who shot stunning images of Hawaii's Kilauea eruptions, and of geese migration. Also: interviews with pilots and scientists of the Harbor Branch Oceanographic Institution.