Paradise Towers two elderly residents ("rezzies") live. Tilda and Tabby explain that all the able-bodied men left the Towers to fight a war, leaving behind only children and the elderly. The only other man still loose in the Towers is Pex, a would-be hero, who appoints himself Mel's guardian. At the Caretaker control centre, the Doctor meets the Chief Caretaker, who greets him as the Great Architect, designer of Paradise Towers, and then promptly calls for him to be killed The Doctor cites an imaginary rule from the Caretakers' manual, confusing them enough to make his escape. Mel and Pex meanwhile have
The Rani (Doctor Who) experiment, grew to enormous size and ate the President's pet cat, and according to The Master, "took a chunk out of him too". She is established as being the same age as the Doctor. The Rani was, like the Master, intended as a recurring foe of the Doctor, but only appeared in two serials, "The Mark of the Rani" (1985) and "Time and the Rani" (1987), before "Doctor Who" went off the air in 1989. The Rani also appeared as the principal villain in "Dimensions in Time", a 1993 "Doctor Who" charity special created for Children in Need. She was