Doctor Who
The BBC Television Service broadcast the first episode of Doctor Who at 17:16:20 GMT on the 23rd of November 1963. This transmission occurred just eighty seconds after its scheduled time due to news coverage regarding the assassination of John F. Kennedy the previous day. Sydney Newman, C. E. Webber, and Donald Wilson developed the series with an initial educational intent for family audiences. They designed the programme to explore scientific ideas and famous historical moments through time travel. Anthony Coburn wrote the pilot story while Verity Lambert served as the show's first producer. The team intended to create a regular weekly programme lasting twenty-five minutes per episode. Discussions and plans for the project had been in progress for a full year before the premiere date.
When a Time Lord suffers fatal injury or extreme old age, their cells regenerate into a new body with different mannerisms and memories. William Hartnell described this process as a renewal during his final serial, though the term regeneration was not coined until later. The concept allowed Patrick Troughton to succeed Hartnell in 1966 despite the character's death. A Time Lord can only regenerate twelve times, creating thirteen incarnations total according to the rules established in The Deadly Assassin. The episode The Time of the Doctor depicted the Eleventh Doctor acquiring a new cycle of regenerations when facing the end of his original set. Jodie Whittaker became the first woman cast as the Doctor in 2017, changing the character's gender upon regeneration. Ncuti Gatwa portrayed the Fifteenth Doctor from 2023 to 2025, becoming the first black actor to headline the series. Billie Piper appeared as a new incarnation following Whittaker's departure in The Reality War.
The Daleks first appeared in the show's second serial in 1963, created by writer Terry Nation and designer Raymond Cusick. These Kaleds from Skaro mutated by scientist Davros wear mechanical armour shells housing octopus-like creatures with large brains. Their chief role is to exterminate all non-Dalek beings while attacking even the Time Lords during the Time War. Cybermen originated on Earth's twin planet Mondas before implanting artificial parts into their bodies to become coldly logical cyborgs. The Master serves as the Doctor's archenemy, conceived as Professor Moriarty to the Doctor's Sherlock Holmes. Roger Delgado played the Master until his death in 1973, followed by Peter Pratt, Geoffrey Beevers, and Anthony Ainley. Eric Roberts portrayed the villain in the 1996 television film while Derek Jacobi reintroduced him in 2007. Michelle Gomez played Missy, a female version of the Master, multiple times during the Twelfth Doctor's tenure. Sacha Dhawan took over the role for the 2020 twelfth series alongside John Simm's return.
Doctor Who ran for twenty-six seasons on BBC One from the 23rd of November 1963 until the 6th of December 1989. Channel controller Michael Grade cancelled the upcoming twenty-third season in 1985, forcing an eighteen-month hiatus. Philip Segal approached the BBC in July 1989 about relaunching the series through Columbia Pictures' television arm. A Doctor Who television film aired on the Fox Network in 1996 as a backdoor pilot for an American series. Paul McGann starred as the Doctor in this international co-production between Fox, Universal Pictures, and the BBC. The film succeeded with 9.1 million viewers in the UK but failed to launch a regular series in the United States. In-house production concluded in 1989 under Peter Cregeen, though the BBC repeatedly affirmed the show would return. Russell T Davies and Julie Gardner revived the programme in 2005 with BBC Wales producing in Cardiff. Bad Wolf now co-produces the series alongside BBC Studios Productions in Cardiff since 2023. Disney supported global distribution of the show from 2022 to 2025 under a 26-episode agreement.
Between 1967 and 1978, large amounts of older material stored in the BBC's video tape and film libraries were destroyed or wiped. Ninety-seven of 253 episodes produced during the first six years remain missing from the BBC archives. Most notably, seventy-nine episodes are lost from seasons three, four, and five. No 1960s episodes exist on their original videotapes, with all surviving prints being film transfers. Short clips from every story except Marco Polo, Mission to the Unknown, and The Massacre still exist. Off-screen photographs taken by John Cura document programmes from the 1950s and 1960s for fan reconstructions. Part four of The Tenth Planet ends with the First Doctor transforming into the Second, yet only seconds of this regeneration scene survive. The BBC reconstructed missing episodes one and four of The Invasion using remastered audio tracks and stage notes. Animation company Theta-Sigma created animated versions of The Reign of Terror available through Amazon.com in May 2013. Film copies of nine missing episodes were found in a television relay station in Jos, Nigeria in October 2013.
The programme became a national institution in the United Kingdom with audiences ranging between nine and fourteen million during Dalekmania. Morality campaigner Mary Whitehouse repeatedly complained to the BBC about violent content she deemed unsuitable for children. A 1972 audience research survey found Doctor Who was the most violent drama programme produced by the corporation at that time. Only three percent of surveyed viewers believed the series was very unsuitable for family viewing despite these concerns. The phrase hiding behind the sofa entered British pop culture to describe stereotypical child behaviour when avoiding frightening scenes. The Economist presented this cultural phenomenon as an institution on par with Bovril and tea-time. Jodie Whittaker's casting as the first female Doctor sparked debates about representation while Ncuti Gatwa became the first black actor to headline the series. The show has influenced generations of British television professionals who grew up watching it. Steven Spielberg stated the world would be poorer without Doctor Who according to executive producer Russell T Davies. The series holds Guinness World Records titles for longest-running science-fiction programme and most successful science-fiction series overall.
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Common questions
When did Doctor Who first air on BBC Television Service?
The BBC Television Service broadcast the first episode of Doctor Who at 17:16:20 GMT on the 23rd of November 1963. This transmission occurred just eighty seconds after its scheduled time due to news coverage regarding the assassination of John F. Kennedy the previous day.
How many times can a Time Lord regenerate according to Doctor Who rules?
A Time Lord can only regenerate twelve times, creating thirteen incarnations total according to the rules established in The Deadly Assassin. The episode The Time of the Doctor depicted the Eleventh Doctor acquiring a new cycle of regenerations when facing the end of his original set.
Who created the Daleks and Cybermen for Doctor Who?
The Daleks first appeared in the show's second serial in 1963, created by writer Terry Nation and designer Raymond Cusick. These Kaleds from Skaro mutated by scientist Davros wear mechanical armour shells housing octopus-like creatures with large brains while Cybermen originated on Earth's twin planet Mondas before implanting artificial parts into their bodies to become coldly logical cyborgs.
When was Doctor Who cancelled and revived after its initial run?
Doctor Who ran for twenty-six seasons on BBC One from the 23rd of November 1963 until the 6th of December 1989. Channel controller Michael Grade cancelled the upcoming twenty-third season in 1985, forcing an eighteen-month hiatus before Russell T Davies and Julie Gardner revived the programme in 2005 with BBC Wales producing in Cardiff.
How many episodes of Doctor Who are missing from the BBC archives?
Ninety-seven of 253 episodes produced during the first six years remain missing from the BBC archives. Most notably, seventy-nine episodes are lost from seasons three, four, and five because large amounts of older material stored in the BBC's video tape and film libraries were destroyed or wiped between 1967 and 1978.