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Four years in the making, and filmed over 3000 days across every continent and in every habitat, see 130 incredible stories from frontiers of the natural world. Discover the glorious variety of life on Earth and the spectacular and extraordinary tactics animals and plants have developed to stay alive. This is evolution in action: individual creatures under extreme pressure to overcome challenges from adversaries and their environment.

This Discovery Channel series narrated by Oprah Winfrey contains 12 chapters that can each be watched alone. The chapters deal with concepts of adaptation by focusing on a specific example. The adaptations adressed include life cycle, survival through schooling, speed, and camouflage, competition for resources, gills, symbiosis, and habitat specialization. The featured fish include: silvertip shark, fringehead, mudskipper, flying fish, convict fish, stream goby, barbels, clownfish, anchovies, sardines, sea dragon, and snapper.

Describes the physical and behavioral adaptations of various animal species, covering such necessities for survival as oxygen, food, water, shelter, defense against predators, and reproduction.

On a day when everything goes wrong for him, Alexander is consoled by the thought that other people have bad days too.

Presents an introduction to the structure and function of the U.S. government, exploring the rules that affect citizens lives and the reasons behind them.

Presents an introduction to the rights and responsibilities of being a citizen in a democracy, including information on voting and explaining the factors to consider when electing leaders.

Examines the seven geographic regions of the U.S., describing their major bodies of water, topography, and natural resources and the impact of these geographical aspects on the U.S.'s history, economy, and transportation routes.

Examines geographical and human factors that affect personal and societal ways of life.

Explores the various places that communities are built and how the geography, natural resources, and climate affects the kind of food the people eat, the clothes they wear, and the houses they build.

Dramatizes the events of December 7, 1941, when a peaceful day on the Hawaiaan island of Oahu was destroyed with the Japanese attack on Pearl Harbor, which drew the U.S. into World War II.