Paradise Towers the Great Architect of Paradise Towers, also designed Miracle City, a cutting-edge development which killed its occupants. It seems Kroagnon had an aversion to people actually populating his buildings. The Blue Kangs arrive suddenly, overpowering the Red ones, but it soon becomes clear their game is over and they must now work together. Mel and Pex finally find the swimming pool. When Mel takes a dip in the pool, she is attacked by a robotic killer crab. The Red Kangs know of the monstrosity in the basement, and guess it must be linked to the terror in the Towers. The
The Master (Doctor Who) as a recurring villain. He first appeared in "Terror of the Autons" (1971). The Master's title was deliberately chosen by producer Barry Letts and script editor Terrance Dicks because, like the Doctor, it was a title conferred by an academic degree. The brief given in a sketch of the three "new characters" for 1971 (the other two being Jo Grant and Mike Yates) suggested he was conceived to be of "equal, perhaps even superior rank, to the Doctor". Barry Letts had one man in mind for the role: Roger Delgado, who had a long history of screen villainy and had