David Olusoga examines fifty years of BBC documentary archives to try and discover why dictators can have such a powerful appeal and asks if our fascination has fed their power. Show more

Professor Danielle George uses five decades of BBC archive to find out how well disaster documentaries keep pace with scientific theories that advance every day. Show more

Documentary in which journalist Kate Adie re-examines her historic coverage of the massacre in Tiananmen Square, Beijing, in June 1989. Show more

Gabriel Weston examines how television has played a crucial role in documenting seismic shifts in British law and policing, from the death penalty to laws against homosexuality. Show more