The 26th season of Doctor Who premiered on 6 September 1989 with the serial "Battlefield," and consisted of four serials, ending with "Survival," which was the final episode of Doctor Who for 15 years, until the show was revived in 2005. John Nathan-Turner produced the series, with Andrew Cartmel script editing.
The twenty-fifth season of British science fiction television series Doctor Who began on 5 October 1988. It comprised four separate serials, beginning with Remembrance of the Daleks and ending with The Greatest Show in the Galaxy. To mark the 25th anniversary season, producer John Nathan-Turner brought back the Daleks and the Cybermen. The American New Jersey Network also made a special behind-the-scenes documentary called The Making of Doctor Who, which followed the production of the 25th anniversary story Silver Nemesis. Andrew Cartmel script edited the series.
The twenty-fourth season of British science fiction television series Doctor Who began on 7 September 1987 with Sylvester McCoy's first story Time and the Rani, and ended with Dragonfire. John Nathan-Turner produced the series, with Andrew Cartmel script editing.
The twenty-second season of British science fiction television series Doctor Who began on 5 January 1985 and ended on 30 March 1985. It opened with the serial Attack of the Cybermen and ended with the serial Revelation of the Daleks. The season returned to the traditional Saturday transmission for the first time since Season 18, but for the first and only time in the series' first run it featured 45-minute episodes in its entirety. During transmission, BBC1 controller Michael Grade announced an 18-month hiatus for the series, partly citing the violence depicted in the stories of the season. John Nathan-Turner produced the series with Eric Saward as script editor.
The twenty-first season of British science fiction television series Doctor Who began on 5 January 1984 with the Fifth Doctor serial Warriors of the Deep, and ended with Colin Baker's first serial The Twin Dilemma. For the third time, the entire TARDIS crew changed over the course of a single season. John Nathan-Turner produced the series, with Eric Saward script editing.
The twentieth season of British science fiction television series Doctor Who began on 3 January 1983 with the story Arc of Infinity, and ended 16 March 1983 with The King's Demons. A 20th Anniversary special, The Five Doctors, followed in November 1983. John Nathan-Turner produced this series, with Eric Saward script editing.
The nineteenth season of British science fiction television series Doctor Who began on 4 January 1982 with Castrovalva, and ended with Time-Flight. John Nathan-Turner produced the series, with two script editors: Anthony Root and Eric Saward.
The eighteenth season of British science fiction television series Doctor Who consisted of seven four-episode serials broadcast from 30 August 1980 with the serial The Leisure Hive, to 21 March 1981 with the serial Logopolis. The season is Tom Baker's final as the Fourth Doctor before his regeneration into the Fifth Doctor, as well as Lalla Ward's as companion Romana II and John Leeson's as the voice of K9. For the second time, the entire main cast changed over the course of a single season. The season also sees the debut of Matthew Waterhouse as Adric, Sarah Sutton as Nyssa, and Janet Fielding as Tegan Jovanka, the three of whom would remain regular companions into the Fifth Doctor's era, as well as the return of the Master, portrayed both by Geoffrey Beevers and Anthony Ainley.
The seventeenth season of British science fiction television series Doctor Who began on 1 September 1979 with the story Destiny of the Daleks, and ended with The Horns of Nimon. This was Graham Williams' final series producing Doctor Who. The script editor was Douglas Adams.
The fifteenth season of British science fiction television series Doctor Who began on 3 September 1977 with the episode Horror of Fang Rock, and ended with The Invasion of Time. The fourth series for the Fourth Doctor, new producer Graham Williams became producer for this series, while Robert Holmes left script editing for Anthony Read midway through.
The fourteenth season of British science fiction television series Doctor Who began on 4 September 1976 with The Masque of Mandragora, and ended with The Talons of Weng-Chiang. The third Fourth Doctor series, it was the final series of Philip Hinchcliffe's production, whilst Robert Holmes stayed till The Sun Makers in the next series.
The twelfth season of British science fiction television series Doctor Who began on 28 December 1974 with Tom Baker's first serial Robot, and ended with Revenge of the Cybermen on 10 May 1975.
The eleventh season of British science fiction television series Doctor Who began on 15 December 1973 with the serial The Time Warrior, and ended with Jon Pertwee's final serial Planet of the Spiders. The season's writing was recognized by the Writer's Guild of Great Britain for Best Children's Drama Script. This is the Third Doctor's fifth and final series, and also the last consecutively to be produced by Barry Letts and script edited by Terrance Dicks. Both Letts and Dicks would work for the programme again, however - Letts in Season 18 and Dicks on future stories, e.g. Horror of Fang Rock.
The tenth season of British science fiction television series Doctor Who began on 30 December 1972 with the tenth anniversary special The Three Doctors, and ended with Katy Manning's final serial The Green Death. This is the Third Doctor's fourth series, as well as fourth for producer Barry Letts and script editor Terrance Dicks.
The ninth season of British science fiction television series Doctor Who began on 1 January 1972 with Day of the Daleks, and ended with The Time Monster. This is the third series of the Third Doctor, played by Jon Pertwee, as well as the third to be produced by Barry Letts and script edited by Terrance Dicks.
The eighth season of British science fiction television series Doctor Who began on 2 January 1971 with Terror of the Autons and ended with The Dæmons featuring Jon Pertwee as the Third Doctor. This is the second of five series which Barry Letts produced consecutively and Terrance Dicks was the script editor.
The seventh season of British science fiction television series Doctor Who began on 3 January 1970 with Jon Pertwee's first story Spearhead from Space and ended with Inferno. The first season to be made in colour, it marked the beginning of Barry Letts's five seasons as series producer, but it has been described as "essentially devised" by his predecessor, Derrick Sherwin, who produced the opening story. The season sees the beginning of the Doctor's exile to Earth by the Time Lords and his attachment to UNIT as its scientific advisor.
The sixth season of British science fiction television series Doctor Who began on 10 August 1968 with the first story of season 6 The Dominators and ended Patrick Troughton's reign as the Doctor with its final story The War Games. Only 37 out of 44 episodes are held in the BBC archives; 7 remain missing. As a result, 2 serials are incomplete: only episode 2 of the 6-part story The Space Pirates still exists, while The Invasion has had its two missing episodes reconstructed using animation.
