Doctor Who – The Ultimate Adventure a force field and a time tunnel. In 2008 Big Finish Productions released "The Ultimate Adventure" as an audio drama, directed by Jason Haigh-Ellery. Doctor Who – The Ultimate Adventure Doctor Who – The Ultimate Adventure was a 1989 stage play written by Terrance Dicks, based on the long-running British science fiction television series "Doctor Who". The play was staged at twenty theatres around Britain, commencing 23 March 1989. It initially starred Jon Pertwee (who had played the Third Doctor in the series) as the Doctor. On 29 April Pertwee was ill, so understudy David Banks, who portrayed the Cyber
The Doctor (Doctor Who) of the World" (2005). Writer and "Doctor Who" executive producer Steven Moffat has gone further, arguing that "a television series which embraces both the ideas of parallel universes and the concept of changing time can't have a continuity error – it's impossible for "Doctor Who" to get it wrong, because we can just say 'he changed time' ". Some of the stories during the Seventh Doctor's tenure, part of the so-called "Cartmel Masterplan", were intended to deal with this issue by suggesting that much of what was believed about the Doctor was wrong and that he was a far more