Mawdryn Undead is the third serial of the 20th season of the British science fiction television series Doctor Who, which was originally broadcast in four twice weekly parts on BBC1 from 1 to 9 February 1983.
Enlightenment is the fifth serial of the 20th season of the British science fiction television series Doctor Who, which was originally broadcast in four twice-weekly parts on BBC1 from 1 to 9 March 1983. It was the 127th serial of the series, and was written by Barbara Clegg and directed by Fiona Cumming, making it the first serial to be both written and directed by women.
The Five Doctors is a special feature-length episode of the British science fiction television series Doctor Who, produced in celebration of the programme's 20th anniversary. It had its world premiere in the United States, on the Chicago PBS station WTTW and various other PBS member stations on 23 November 1983, the anniversary date. It was transmitted on BBC1 in the United Kingdom two days later.
Vislor Turlough is a fictional character played by Mark Strickson in the long-running British science fiction television series Doctor Who. He was a companion of the Fifth Doctor, being a regular in the programme from 1983 to 1984. Turlough appeared in 10 stories.
Logopolis is the seventh and final serial of the 18th season of the British science fiction television series Doctor Who, which was first broadcast in four weekly parts on BBC1 from 28 February to 21 March 1981. It was Tom Baker's last story as the Fourth Doctor and marks the first appearance of Peter Davison as the Fifth Doctor and Janet Fielding as new companion Tegan Jovanka.
Castrovalva is the first serial of the 19th season of the British science fiction television series Doctor Who, which was first broadcast in four twice-weekly parts on BBC1 from 4 to 12 January 1982. It was the first full serial to feature Peter Davison as the Fifth Doctor. The title is a reference to the lithograph Castrovalva by M. C. Escher, which depicts the town Castrovalva in the Abruzzo region, Italy.
Attack of the Cybermen is the first serial of the 22nd season of the British science fiction television series Doctor Who, which was first broadcast in two weekly parts on 5 and 12 January 1985. It was credited to the pseudonymous author "Paula Moore"; there are conflicting accounts concerning to whom this credit belongs. Beginning with this serial and continuing for the remainder of Season 22, episodes were 45 minutes in length ; for syndication, in some markets, this serial is re-edited into four 25-minute segments.
The Visitation is the fourth serial of the 19th season of the British science fiction television series Doctor Who, which was first broadcast in four twice-weekly parts on BBC1 from 15 to 23 February 1982.
Earthshock is the sixth serial of the 19th season of the British science fiction television series Doctor Who, which was first broadcast in four twice-weekly parts on BBC1 from 8 to 16 March 1982. This serial marks the final regular appearance of Matthew Waterhouse as Adric and his climactic death, with the final episode featuring unique silent credits in memory of the character. It is also the first to feature the Cybermen since Revenge of the Cybermen in 1975.
Resurrection of the Daleks is the fourth serial of the 21st season in the British science fiction television series Doctor Who, which was first broadcast in two weekly parts on BBC1 between 8 February and 15 February 1984. The serial was intended to be transmitted as four 23-minute episodes but a late scheduling change by the BBC meant that it was transmitted as two episodes of 46 minutes; reruns restored it to its intended format.
Warriors' Gate is the fifth serial of the 18th season of the British science fiction television series Doctor Who. It was written by Stephen Gallagher and was first broadcast in four weekly parts on BBC1 from 3 to 24 January 1981.
Planet of Fire is the fifth serial of the 21st season in the British science fiction television series Doctor Who, which was first broadcast in four twice-weekly parts on BBC1 from 23 February to 2 March 1984.
Black Orchid is the fifth serial of the 19th season of the British science fiction television series Doctor Who, which was first broadcast on BBC1 on 1 and 2 March 1982.
The King's Demons is the sixth and final serial of the 20th season of the British science fiction television series Doctor Who, which was originally broadcast on BBC1 on 15 and 16 March 1983. This serial introduced Kamelion, voiced by Gerald Flood, as a companion.
Kinda is the third serial of the 19th season of the British science fiction television series Doctor Who, which was first broadcast in four twice-weekly parts on BBC1 from 1 to 9 February 1982.
Snakedance is the second serial of the 20th season of the British science fiction television series Doctor Who, which was first broadcast in four twice-weekly parts on BBC1 from 18 to 26 January 1983.
Frontios is the third serial of the 21st season of the British science fiction television series Doctor Who, which was first broadcast in four twice-weekly parts on BBC1 from 26 January to 3 February 1984.
Warriors of the Deep is the first serial of the 21st season of the British science fiction television series Doctor Who, which was broadcast in four twice-weekly parts on BBC1 from 5 to 13 January 1984.
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.
