Mindwarp is the second serial of the larger narrative known as "The Trial of a Time Lord" which encompasses the whole of the 23rd season of the British science fiction television series "Doctor Who". It was first broadcast in four weekly parts on BBC1 from 4 to 25 October 1986. The title "Mindwarp" is not used on screen and appears only on the serial's scripts with the four episodes that comprise the story being transmitted as "The Trial of a Time Lord" Parts Five to Eight. This story marks the final appearance of Nicola Bryant as Peri Brown.