Jack travels to Zimbabwe where he joins a "rhino roundup" in an effort to save the endangered black rhino. Next he travels to the U.S. for a look at efforts to save the big cats, including lions, panthers, cheetahs, and cougars.
Explains how the Renaissance began, describing the rediscovery of ancient Greek and Roman culture and ideas by humanists such as Petrarch, and examines changes in politics and religion during the period.
Presents a live theater production which dramatizes the history of the American colonies and the Revolutionary War, covering a period that ranges from 1606 to 1781.
Bill Nye the Science Guy answers questions about motion, and conducts an experiment to demonstrate that things at rest stay at rest until acted upon by an outside force.