Edge of Darkness policy debate about energy and environmental issues. Advice on the policing aspects of the serial was provided by the West Yorkshire Police and former Scotland Yard detective Jack Slipper, famous for his pursuit of the train robber Ronnie Biggs. The musical score was provided by Eric Clapton and Michael Kamen. Clapton was approached to provide the score by producer Michael Wearing. Shortly afterwards, when Michael Kamen brought Clapton to a screening of "Brazil" (1985), which he, Kamen, had scored, Eric suggested a collaboration between the two on "Edge of Darkness". Kamen became one of Hollywood's most successful film composers, writing
The Mind Robber which the TARDIS breaks apart — as one of the greatest cliffhangers in the history of "Doctor Who". A novelisation of this serial, written by Peter Ling, was published by Target Books in November 1986. "The Mind Robber" was released on VHS in May 1990, and released on Region 2 DVD on 7 March 2005, and in North America on 6 September 2005. The Mind Robber The Mind Robber is the second serial of the sixth season of the British science fiction television series "Doctor Who", which was first broadcast in five weekly parts from 14 September to 12 October