Romana, short for Romanadvoratrelundar, is a fictional character in the long-running British science fiction television series Doctor Who. A Time Lord from the planet Gallifrey, she is a companion to the Fourth Doctor.
The Master, or "Missy " in their female incarnation, is a recurring character in the British science fiction television series Doctor Who and its associated spin-off works. They are a renegade alien Time Lord and the childhood friend and later enemy of the title character, the Doctor. They were most recently portrayed by Sacha Dhawan.
Harry Sullivan is a fictional character from the British science-fiction television series Doctor Who and is a companion of the Fourth Doctor. Played by Ian Marter, the character appears as a regular during the programme's twelfth season in 1974–1975. Harry appeared in 7 stories.
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.
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.
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.
Leela is a fictional character played by Louise Jameson in the long-running British science fiction television series Doctor Who. She was a companion of the Fourth Doctor and a regular in the programme from 1977 to 1978. Leela appeared in nine stories.
James Robert McCrimmon, usually simply called Jamie, is a fictional character played by Frazer Hines in the long-running British science fiction television series Doctor Who. A piper of the Clan MacLeod who lived in 18th-century Scotland, he was a companion of the Second Doctor and a regular in the programme from 1966 to 1969. The spelling of his surname varies from one script to another; it is alternately rendered as Macrimmon and McCrimmond. Jamie appeared in 20 stories.
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.
Earthshock is the sixth 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 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.
The Keeper of Traken is the sixth 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 31 January to 21 February 1981.
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.
The Fourth Doctor is an incarnation of the Doctor, the protagonist of the British science fiction television series Doctor Who. He is portrayed by Tom Baker.
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.
In the long-running British science fiction television series Doctor Who, regeneration is a biological ability exhibited by the Time Lords, a race of fictional humanoids originating on the planet Gallifrey. This process allows a Time Lord to undergo a transformation into a new physical form and a somewhat different personality after instances which would normally result in death. Regeneration has been used multiple times throughout the history of the show as a device for introducing a new actor for the lead role of its main character, the Doctor. Other Time Lords and similar characters have also regenerated, usually for narrative reasons, rather than casting.
In the long-running BBC television science fiction programme Doctor Who and related works, the term "companion" refers to a character who travels with, or shares adventures with, the Doctor. In most Doctor Who stories, the primary companion acts as an audience surrogate by providing the lens through which the viewer is introduced to the story, and often, the series itself.
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 Five Companions is a Big Finish Productions audiobook based on the long-running British science fiction television series Doctor Who. It is free to subscribers and released with Army of Death.
