S1, E3: After Sherlock Holmes’s return from the dead, his creator Conan Doyle became an evangelist for spiritualism. Lucy Worsley investigates the resurrection of Sherlock and finds that the darkness of the later stories mirrored the reality of Doyle’s life. His star declined after a spat with the magician Houdini. Sherlock Holmes, in contrast, found a life beyond his author on stage and screen.