Actors
Peter Davison , Janet Fielding , Sarah Sutton , Matthew Waterhouse , Anthony Ainley , Derek Waring , Michael Sheard , Frank Wylie
About
Download Castrovalva: Part Four Season 19 Episode 4 for free on Utubemate.com. Castrovalva: Part Four Season 19 Episode 4, Adventure, Drama, Family, Sci-Fi releasing in English language. Know about TV show reviews, lead cast & crew, photos & video gallery on uTubeMate.com.
Story
The Doctor discovers Castrovalva is a cursive occlusion, an impossible yet manifested Escheresque environment, with all pathways, no matter which direction one goes, leading back to the same point. It is a trap laid by the Master with no apparent way out.
