Second Doctor
The Second Doctor is an incarnation of the Doctor, the protagonist of the BBC science fiction television series "Doctor Who". He was portrayed by character actor Patrick Troughton.
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.Sylvester McCoy and Sophie Aldred both continue their roles as the Seventh Doctor and Ace for their final season.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).