A mixture of animation and live footage serves as a background for a narrated introduction to the general ecology and animal life of the two polar regions and to their place in human history.

Investigates the most complex machine of all-- the human body. Explores the vital organs, and examines the instruments of the senses.

Explores the forces that shape our planet and affect our lives, from hurricanes to volcanoes. Rare footage reveals the Earth at its most violent.

This program explores Earth's age, uncovers fossils and traces evolution through the geological time periods. It also examines continental drift, studies cockroaches, early communication, and the role of mass extinctions throughout history.

Take a flight of fancy with nature's most beguiling creatures. See their miraculous transformation from lowly caterpillar to airborne adult, and learn why these delicate insects have long inspired and entranced us.

Reveals the alien world of these often misunderstood cold-blooded vertebrates, uncovering reptilian facts that are stranger than fiction. From hot, steamy swamps to dry-as-bone deserts, travel the world in search of these amazing animals.

Investigates the double life of creatures that live both on land and in water. Leap into the fascinating world of frogs, toads, and salamanders, and get a close-up look at the amazing variety of colors, shapes, and sizes in the amphibian family.

A look at one of the world's most complex machines, capable of laughing, crying, and even reproducing itself.

Experience the sites and sounds of the jungle as you journey through the rainforests of the world. Learn about pollination, propagation and photosynthesis and meet diverse creatures that inhabit these regions.

A mixture of animation and live footage serves as a background for a narrated introduction to the geographical history of deserts, their animal life and their importance for human culture.