Andrew Marr talks to the historian Jane Shaw about the story of Mabel Barltrop: she was renamed Octavia by her followers who believed she was the daughter of God. The theatre director, Jonathan Kent, brings the last non-Christian ruler of the Roman Empire to the stage, in the little known Ibsen play, Emperor and Galilean. Ziauddin Sardar gives his take on the Qur'an, drawing contemporary lessons from this Sacred Text on everything from power and politics, to sex and evolution. And Ross Perlin exposes the world of unpaid work, in his investigation into the deals done in the name of internships.

Producer: Katy Hickman.