Doctor Who: "The Silver Nemesis"

Doctor Who: "The Silver Nemesis." Identified in Wikipedia entry as " 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."

Relevant here as Cymberman adventure.

RDE, Title, 21Aug19