The Mysterious Cities of Gold Season 1 Episode 27 The Doors of Night ( Air Date 1983-02-22 ) Genre Kids, Animation, Action & Adventure, Sci-Fi & Fantasy category. Overview "Esteban and his friends find the second City of Gold, but they are captured by Marinche and the Doctor. The Doctor finds a new manuscript, but is caught in a trap set into the floor of the temple. The children get the manuscript which tells of a third city, to be found near a forest of statues.".