TARDIS tight schedule, which led to Brachacki leaving the show due to disagreements with the production team and possibly a feeling that he had been given an impossible task. Despite his leaving the show and mixed reactions as to how the set looked (producer Verity Lambert liked it but director Waris Hussein did not), the basic design of the hexagonal console and wall roundels has persisted to the present day. In the Third Doctor serial "The Time Monster" (1972), the console room of the TARDIS was dramatically altered, including the wall roundels. This new set, designed by Tim Gleeson, was disliked
That Which Survives that the landing party had survived because the reproductions were so perfect that they experienced regret about killing. The original story outline was written by D.C. Fontana under the pseudonym Michael Richards. In this outline called "Survival", Losira is more brutal, encouraging the crew to turn on each other and fight. That Which Survives "That Which Survives" is the seventeenth episode of the of the American science fiction television series "", first broadcast January 24, 1969, and repeated July 29, 1969. It was written by John Meredyth Lucas, based on a story by D.C. Fontana under the pseudonym Michael Richards