Black families migrate from the South to Northern cities after World War I.
Defining freedom after slavery; tracing the participants' lineage through the Reconstruction Era; the importance of literacy.
Research from the Civil War back through the Colonial period; war service records and the recording of property help fill in family trees.
Scientists use DNA analysis to trace ancestral roots; historians on the slave trade; Dr. Gates and one participant go to Africa.
Tom Joyner's great-uncles are executed in 1915 for a crime they may not have committed.
Chris Rock's great-great-grandfather was elected twice to the South Carolina Legislature; Don Cheadle's great-great-grandparents struggled in Oklahoma.
Henry Louis Gates
Host