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
Eleventh Doctor mystery of "the Impossible Girl". The Doctor eventually gets his answer in "The Name of the Doctor" when he is forced by the Great Intelligence to go to Trenzalore, revealed to be planet on which the Doctor will die. Within the Doctor's tomb, the Great Intelligence uses the dead Doctor's remnants—his disembodied "timestream"—to spread himself across the Doctor's history, turning his victories into defeats. Clara pursues him and is scattered throughout the Doctor's timeline creating Oswin Oswald and Clara Oswin Oswald among numerous other incarnations who undo the Great Intelligence's work. The Doctor has a mournful conversation with River's apparition,