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 Doctor (Doctor Who) Time War, albeit much earlier than during "The End of Time". The mini-episode presented him as a conscientious objector to the war who regenerated under controlled circumstances into the War Doctor (John Hurt), a previously unseen incarnation created retroactively by Davies' successor as head writer, Steven Moffat, for the 50th anniversary special "The Day of the Doctor". The Tenth and Eleventh Doctors explained that Hurt's regeneration was not The Doctor because his actions during the Time War were a betrayal of the promise that name symbolized. "The Day of the Doctor" revisited the last day of the Time War after