Doctor Who (season 26)

 
The twenty-sixth season of British science fiction television series "Doctor Who" began on 9 September 1989 with the serial "Battlefield", after a regular series of four serials was broadcast finishing with "Survival" which was the final episode of "Doctor Who" to air before a 16-year absence from episodic television following its cancellation.
Casting.
Main cast.
Sylvester McCoy and Sophie Aldred both continue their roles as the Seventh Doctor and Ace for their final season.
Recurring stars.
Nicholas Courtney returned to play Brigadier Lethbridge-Stewart in "Battlefield". He first appeared with the Second Doctor in 1968 in "The Web of Fear" before becoming a recurring character throughout the Second Doctor to the Fifth Doctor and last appearing in "The Five Doctors" (1983).
Anthony Ainley returned to play The Master in "Survival", having last appeared in "The Trial of a Time Lord" (1986). This was Ainley's final television appearance in the role, though he portrayed the Master one last time in the 1997 computer game "Destiny of the Doctors".
Guest stars.
Jean Marsh, who had portrayed Sara Kingdom in "The Daleks' Master Plan" (1965–66), also appeared in "Battlefield" playing the part of the main antagonist.
Serials.
Continuing on from Season 25, Season 26 continued script editor Andrew Cartmel's move to push the series towards a darker approach, focusing this time more on Ace's personal life as well as The Doctor's past and manipulations. This season was broadcast on Wednesdays.
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Broadcast.
The entire season was broadcast from 6 September to 6 December 1989. "The Curse of Fenric" was originally intended to be aired before "Ghost Light", but was subsequently rescheduled.
Season 27.
Initial planning work had begun on Season 27, intended for the end of 1990, in mid-1989 with Andrew Cartmel and a group of regular writers, including Ben Aaronovitch, Ian Briggs and Marc Platt, discussing potential story ideas. One of the major intentions was to have been the departure of Ace halfway through, which would have seen the character taken to Gallifrey to become a Time Lord. This would also have seen the subsequent introduction of a new companion, planned as an "aristocratic cat burglar". The cancellation of the series meant that no detailed work was undertaken beyond these initial ideas:
Although the first series of "Doctor Who"s return in 2005 is the 27th full series of the show, the production team officially restarted the series numbering from scratch. This was mainly due to the 16-year gap between Season 26 and the new series (not counting the 1996 television movie).