Mawdryn Undead is the third serial of the 20th season of the British science fiction television series Doctor Who. It was originally broadcast in four twice weekly parts on BBC1 from 1 to 9 February 1983.
Tegan Jovanka is a fictional character played by Janet Fielding in the long-running British science fiction television series Doctor Who. An Australian airline stewardess and a native of Brisbane who was a companion of the Fourth and Fifth Doctors, she was a regular in the programme from 1981 to 1984. Tegan appeared in 20 stories.
Nyssa is a fictional character in the long-running British science fiction television series Doctor Who. She is played by Sarah Sutton. Although Nyssa was created by writer Johnny Byrne for the single Fourth Doctor serial The Keeper of Traken, the production team subsequently decided she should be retained as a continuing character. Nyssa returned in the following serial, Logopolis, in which the Fourth Doctor regenerated, and remained as a companion of the Fifth Doctor. She was a regular in the programme from 1981 to 1983.
Adric is a fictional character played by Matthew Waterhouse in the long-running British science fiction television series Doctor Who. He was a young native of the planet Alzarius, which exists in the parallel universe of E-Space. A companion of the Fourth and Fifth Doctors, he was a regular in the programme from 1980 to 1982 and appeared in 11 stories. The name Adric is an anagram derived from the physicist Paul Dirac.
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.
The Visitation is the fourth serial of the 19th season of the British science fiction television series Doctor Who. It was first broadcast in four twice-weekly parts on BBC1 from 15 to 23 February 1982.
Four to Doomsday is the second 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 18 to 26 January 1982.
The Fifth Doctor is an incarnation of the Doctor, the protagonist of the British science fiction television series Doctor Who. He is portrayed by Peter Davison.
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.
Time-Flight is the seventh and final 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 22 to 30 March 1982.
The Sands of Time is a 1996 Virgin Missing Adventures original novel written by Justin Richards based on the long-running British science fiction television series Doctor Who. It features the Fifth Doctor, Nyssa, and Tegan. The story is a sequel to the 1975 Fourth Doctor Pyramids of Mars and once again features the Osirans.
Divided Loyalties is a BBC Books original novel written by Gary Russell and based on the long-running British science fiction television series Doctor Who. It features the Fifth Doctor, Tegan Jovanka, Nyssa, Adric and the Toymaker.
Trevor Baxendale is a writer. His first Doctor Who novel The Janus Conjunction was published by BBC Books in 1998. He has also written novels for Torchwood and Blake's 7, as well as short stories, comic strips and audio drama scripts.
The Deadstone Memorial is a BBC Books original novel written by Trevor Baxendale and based on the long-running British science fiction television series Doctor Who. It features the Eighth Doctor, Fitz and Trix.
Cold Fusion is an original novel written by Lance Parkin and based on the long-running British science fiction television series Doctor Who. It features the Fifth Doctor, with Adric, Nyssa, and Tegan, immediately after Castrovalva. Also appearing is the Seventh Doctor, with Chris and Roz, from between the Virgin New Adventures novels Return of the Living Dad and The Death of Art. It was the only one of the Virgin Doctor Who novels to feature more than one Doctor.
Wishing Well is a BBC Books original novel written by Trevor Baxendale and based on the long running science fiction television series Doctor Who. It features the Tenth Doctor and Martha Jones. It was published on 26 December 2007 alongside Peacemaker and The Pirate Loop.
"War of the Robots" is a BBC Books adventure book written by Trevor Baxendale and is based on the long-running British science fiction television series Doctor Who. It features the Tenth Doctor and Martha.
Cobwebs is a Big Finish Productions audio drama based on the long-running British science fiction television series Doctor Who. It was aired on BBC Radio 4 Extra from 16 to 19 May 2011.
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.
