David Olusoga tells the story of the British Empire, from its origins under Elizabeth I to the establishment of colonies in America, the Caribbean and India.

David Olusoga reveals how the loss of the American colonies led to the colonisation of Australia and how the Indian indenture system was established.

David Olusoga reveals how the Empire reached its maximum size after the First World War but within a generation had begun to collapse, as he uncovers the story of decolonisation.