v.1. Lower than the angels. A multitude of evolutionary changes - anatomical and intellectual - gives rise to man's superiority among the animals. New computer techniques illustrate humanity's evolution, while x-ray and slow motion photography of an Olympic athlete in action show the complex interweaving of mind and body.
v.2. Harvest of the seasons. Man domesticates plant and animal life. With the Neolithic cultivators come the nomads and the roots of warfare. Cameras capture the unique lifestyle of the Bakhtiari tribe of central Iran and there recreate the war games of Genghis Khan.