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
Paradise Towers he realises that the Chief Caretaker has been allowing the Cleaners to kill people in the Towers, but this has got out of hand and the Chief Caretaker is no longer in control. The creature the Chief keeps in the basement is demanding more sustenance and making its own hunting arrangements. When the Chief heads off to investigate the deaths of Tabby and Tilda, the Red Kangs attack the HQ and rescue the Doctor. He returns with them to their base, taking with him the Illustrated Prospectus for the Tower, which they all watch. It reminds the Doctor that Kroagnon,