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
Yeti (Doctor Who) Yeti (Doctor Who) The Yeti are fictional robots in the long-running British science fiction television series "Doctor Who". They were originally created by Henry Lincoln and Mervyn Haisman, and first appeared in the 1967 serial "The Abominable Snowmen", where they encountered the Second Doctor and his companions Jamie and Victoria. The Yeti resemble the cryptozoological creatures also called the Yeti, with an appearance Radio Times has described as "cuddly but ferocious", disguising a small spherical device that provides its motive power. The Yeti serve the Great Intelligence, a disembodied entity from another dimension, which first appeared trying to form a