Tudor Parfitt, the protagonist of the NOVA documentary "Lost Tribes of Israel," made a journey through southern Africa to study the unusual traditions of a black African tribe called the Lemba.

The bulk of the tribes are Nilotic, though some show Negro or Bantu affinities ... geography of the country and of the customs of the people, which goes far to explain his success as an administrator.

It explores the intergenerational trauma of India’s Siddi community, believed to have descended from the Bantu people of Africa. And it puts members of this underrepresented Scheduled Tribe ...