Therefore, its known narrative elements are not a part of the Doctor Who universe as we, on this Wiki, choose to define it. It may have been the basis for a similar story in another medium, however — and that story may indeed be valid.
Holmes was commissioned to write a storyline for The Automata on 16 January 1973. It did not find favour with producer Barry Letts and script editor Terrance Dicks, however, and was rejected ten days later. Holmes was commissioned to write The Time Warrior instead. (REF: DWM 246, DWMSE 2)