The Doctor (Troughton), Jamie (Frazer Hines) and Victoria (Deborah Watling) find themselves in London, being menaced by robotic yetis and the Great Intelligence again in this six-part story written by Mervyn Halsman and Henry Lincoln. The story ran from 3 February to 9 March, 1968, and saw the return of Travers (Jack Watling) from…