Gabriel Weston explores BBC film archive to show how both the public views and the laws on divisive subjects like the death penalty or homosexuality had evolved during the course of the 20th and the 21st century.
Military historian Saul David explores how the West saw the USSR and Russia throughout the 20th and the 21st century using footage from classic Timewatch documentaries.
David Olusoga examines not whether the British Empire was a force for good or ill, but rather how it has been portrayed on British television over the last 70 years.
