Gus Casely-Hayford visits Uganda to explore how Bunyoro saw its dominance challenged by the rise of Buganda, a neighbouring kingdom on the shores of Lake Victoria.

Gus Casely-Hayford visits Morocco, once the centre of a vast kingdom created by African Berbers that stretched from northern Spain to West Africa.

In South Africa, Gus Casely-Hayford visits evocative sites in Zulu history and searches for the secrets behind the Zulu's cultural power and military strength.

Asante in West Africa was a kingdom that was built on gold and slaves, which ensured its important place in an economy that linked three continents.