Extras
George R. R. Martin | Italian Roots
Henry Louis Gates, Jr. helps author George R. R. Martin answer some family mysteries.
George R. R. Martin | Italian Roots

Grandparents and Other Strangers Preview
Henry Louis Gates, Jr. helps Andy Samberg and George R. R. Martin answer family mysteries.
Grandparents and Other Strangers Preview

Andy Samberg | My Mother's Parents
Henry Louis Gates, Jr. helps actor Andy Samberg answer some family mysteries.
Andy Samberg | My Mother's Parents

Grandparents and Other Strangers Preview
Dr. Gates helps Andy Samberg and George R. R. Martin answer family mysteries
Grandparents and Other Strangers Preview
George R. R. Martin | My Grandmother
Henry Louis Gates, Jr. helps author George R. R. Martin answer some family mysteries.