Doctor Who: City of Death

While taking in the sights of Paris in 1979, the Doctor and Romana sense that someone is tampering with time. Who is the mysterious Count Scarlioni? Why does he seem to have counterparts scattered through time? And just how many copies of the Mona Lisa did Leonardo da Vinci paint?

Cast: Tom Baker, Lalla Ward, Julian Glover, Catherine Schell, Tom Chadbon, David Graham