Silver Nemesis is the third serial of the 25th season of the British science fiction television series Doctor Who. It was first broadcast in the United Kingdom on BBC1 in three weekly parts from 23 November (the 25th anniversary) to 7 December 1988. In New Zealand, all three parts were broadcast on TVNZ on 25 November. In the serial, the neo-Nazi De Flores (Anton Diffring), the 17th-century sorceress Lady Peinforte (Fiona Walker), and the Cyberman vie for control of the Nemesis, a statue containing a living metal which crash-landed near Windsor Castle in 1988. The serial marks the final appearance of the Cybermen in the original run. Plot The Seventh Doctor and Ace visit England, where three rival factions—the Cybermen, a group of neo-Nazis, and a 17th-century sorceress named Lady Peinforte—are attempting to gain control of a statue made of a living metal, validium, that was created by Omega and Rassilon as the ultimate defence for Gallifrey. The statue's components - a bow, an arrow, and the figure itself - must be brought together in order for it to be activated. They have been separated since 1638 when, in order to foil the first attempt by Peinforte to seize it, the Doctor launched the figure into orbit in a powered asteroid. This asteroid has been approaching the Earth at twenty-five yearly intervals ever since, leaving a succession of disasters in its wake, and has now crash-landed near Windsor Castle. The Doctor plays the three factions against one another and eventually appears to concede defeat to the Cyber Leader. This is just part of a carefully laid trap, and the Cybermen's fleet is totally wiped out by the statue. Production The working titles for this story included The Harbinger and Nemesis. Writer Kevin Clarke, who appears twice in the serial itself playing a tourist at Windsor, discusses the development of the plot on the DVD. He points out that he had seen very little of Doctor Who and that he met the production team without any idea of what his proposed story would be about. He made up a story on the spot in front of producer John Nathan-Turner that the Doctor is literally God, though this was not realised on-screen. The Cybermen were added later at the request of Nathan-Turner, to tie in with the programme's silver anniversary. Locations Permission was refused for filming at Windsor Castle so those scenes