The Difference Between Us examines the contemporary science - including genetics - that challenges our common sense assumptions that human beings can be bundled into three or four fundamentally different groups according to their physical traits.

The Story We Tell uncovers the roots of the race concept in North America, the 19th century science that legitimated it, and how it came to be held so fiercely in the western imagination. The episode is an eye-opening tale of how race served to rationalize, even justify, American social inequalities as "natural."