Extras
Brian Cox's Grandfather Was Exposed to Poison Gas in WWI
Brian Cox learns that his grandfather was likely exposed to poison gas in WWI.
Brian Cox's Grandfather Was Exposed to Poison Gas in WWI
The Hidden Truth in Viola Davis' Family Tree
Viola Davis and Prof. Gates discover a surprising secret her grandfather kept to himself.
The Hidden Truth in Viola Davis' Family Tree
Henry Louis Gates, Jr. traces the roots of actors Brian Cox and Viola Davis.