113-407: There have been four Doctor Who -themed concerts at The Proms . They took place in 2008, 2010, 2013, and 2024, respectively: Doctor Who Prom (2008) Topics referred to by the same term [REDACTED] This disambiguation page lists articles associated with the title Doctor Who Prom . If an internal link led you here, you may wish to change
226-505: A "renewal", and the Second Doctor underwent a "change of appearance". The device has allowed for the recasting of the actor various times in the show's history, as well as the depiction of alternative Doctors either from the Doctor's relative past or future. The serials The Deadly Assassin (1976) and Mawdryn Undead (1983) established that a Time Lord can only regenerate 12 times, for
339-455: A 16-year hiatus of in-house production. Eccleston left after one series and was replaced by David Tennant . Davies left the production team in 2009. Steven Moffat , a writer under Davies, was announced as his successor, along with Matt Smith as the new Doctor. Smith decided to leave the role of the Doctor in 2013, the 50th anniversary year. He was replaced by Peter Capaldi . In January 2016, Moffat announced that he would step down after
452-480: A DVD player, a figure that had surpassed VCRs; it was also higher than personal computers or cable television. The DVD specifications created and updated by the DVD Forum are published as so-called DVD Books (e.g. DVD-ROM Book, DVD-Audio Book, DVD-Video Book, DVD-R Book, DVD-RW Book, DVD-RAM Book, DVD-AR (Audio Recording) Book, DVD-VR (Video Recording) Book, etc.). DVD discs are made up of two discs; normally one
565-496: A Nigerian television relay station in Jos . Six of the eleven films discovered were the six-part serial The Enemy of the World (1968), from which all but the third episode had been missing. The remaining films were from another six-part serial, The Web of Fear (1968), and included the previously missing episodes 2, 4, 5 and 6. Episode 3 of The Web of Fear is still missing. The Doctor
678-446: A November 1997 online interview, and clarified it would release discs in early 1998. However, this date would be pushed back several times before finally releasing their first titles at the 1999 Consumer Electronics Show . In 2001, blank DVD recordable discs cost the equivalent of $ 27.34 US dollars in 2022. Movie and home entertainment distributors adopted the DVD format to replace
791-534: A challenge to find missing Doctor Who episodes with the promise of a full-scale Dalek model as a reward. In December 2011, it was announced that part 3 of Galaxy 4 (1965) and part 2 of The Underwater Menace (1967) had been returned to the BBC by a fan who had purchased them in the mid-1980s without realising that the BBC did not hold copies of them. On 10 October 2013, the BBC announced that films of eleven episodes, including nine missing episodes, had been found in
904-634: A computer. DVD players are a particular type of devices that do not require a computer to work, and can read DVD-Video and DVD-Audio discs. Read and write speeds for the first DVD drives and players were 1,385 kB /s (1,353 KiB /s); this speed is usually called "1×". More recent models, at 18× or 20×, have 18 or 20 times that speed. For CD drives, 1× means 153.6 kB/s (150 KiB/s), about one-ninth as swift. DVDs can spin at much higher speeds than CDs – DVDs can spin at up to 32000 RPM vs 23000 for CDs. In practice, they are not spun by optical drives anywhere close to these speeds to provide
1017-484: A cost: DVD±DLs have slower write speeds as compared to DVD±R. DVD-R DL was developed for the DVD Forum by Pioneer Corporation ; DVD+R DL was developed for the DVD+RW Alliance by Mitsubishi Kagaku Media (MKM) and Philips . Recordable DVD discs supporting dual-layer technology are backward-compatible with some hardware developed before the recordable medium. DVD drives are devices that can read DVD discs on
1130-544: A disembodied brain falling to the floor in The Brain of Morbius and the Doctor apparently being drowned by a villain in The Deadly Assassin (both 1976). Mary Whitehouse's complaint about the latter incident prompted a change in BBC policy towards the series, with much tighter controls imposed on the production team, and the series' next producer, Graham Williams , was under a directive to take out "anything graphic in
1243-487: A double-sided disc. Philips and Sony decided that it was in their best interests to end the format war, and on September 15, 1995 agreed to unify with companies backing the Super Density Disc to release a single format, with technologies from both. After other compromises between MMCD and SD, the group of computer companies won the day, and a single format was agreed upon. The computer companies also collaborated with
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#17328524001971356-763: A dual-layer DVD up to 8.5 GB. Variants can store up to a maximum of 17.08 GB. Prerecorded DVDs are mass-produced using molding machines that physically stamp data onto the DVD. Such discs are a form of DVD-ROM because data can only be read and not written or erased. Blank recordable DVD discs ( DVD-R and DVD+R ) can be recorded once using a DVD recorder and then function as a DVD-ROM. Rewritable DVDs ( DVD-RW , DVD+RW , and DVD-RAM ) can be recorded and erased many times. DVDs are used in DVD-Video consumer digital video format and less commonly in DVD-Audio consumer digital audio format, as well as for authoring DVD discs written in
1469-458: A hitherto unknown incarnation of the Doctor known as the War Doctor in the run-up to the show's 50th-anniversary special " The Day of the Doctor ". He is shown in mini-episode " The Night of the Doctor " retroactively inserted into the show's fictional chronology between McGann's and Eccleston's Doctors, although his introduction was written so as not to disturb the established numerical naming of
1582-497: A lot of choice—we only had the Dalek serial to go ... We had a bit of a crisis of confidence because Donald [Wilson] was so adamant that we shouldn't make it. Had we had anything else ready we would have made that." Nation's script became the second Doctor Who serial – The Daleks (also known as The Mutants ). The serial introduced the eponymous aliens that would become the series' most popular monsters, dubbed "Dalekmania", and
1695-535: A more compassionate figure and was eventually revealed to be a Time Lord , whose race are from the planet Gallifrey , which the Doctor fled by stealing the TARDIS. Producers introduced the concept of regeneration to permit the recasting of the main character. This was prompted by the poor health of the original star, William Hartnell . The term "regeneration" was not conceived until the Doctor's third on-screen regeneration; Hartnell's Doctor merely described undergoing
1808-749: A national institution in the United Kingdom, with a large following among the general viewing audience. The show received controversy over the suitability of the series for children. Morality campaigner Mary Whitehouse repeatedly complained to the BBC over what she saw as the programme's violent, frightening and gory content. According to Radio Times , the series "never had a more implacable foe than Mary Whitehouse". A BBC audience research survey conducted in 1972 found that, by their own definition of violence ("any act[s] which may cause physical and/or psychological injury, hurt or death to persons, animals or property, whether intentional or accidental"), Doctor Who
1921-482: A noticeable pause in A/V playback on earlier DVD players , the length of which varies between hardware. A printed message explaining that the layer-transition pause was not a malfunction became standard on DVD keep cases . During mastering, a studio could make the transition less obvious by timing it to occur just before a camera angle change or other abrupt shift, an early example being the DVD release of Toy Story . Later in
2034-631: A poorer place without Doctor Who ". On 4 August 2013, a live programme titled Doctor Who Live: The Next Doctor was broadcast on BBC One, during which the actor who was going to play the Twelfth Doctor was revealed. The live show was watched by an average of 6.27 million in the UK, and was also simulcast in the United States, Canada and Australia. Doctor Who originally ran for 26 seasons on BBC One, from 23 November 1963 until 6 December 1989. During
2147-475: A press release stating that they would only accept a single format. The group voted to boycott both formats unless the two camps agreed on a single, converged standard. They recruited Lou Gerstner , president of IBM, to pressure the executives of the warring factions. In one significant compromise, the MMCD and SD groups agreed to adopt proposal SD 9, which specified that both layers of the dual-layered disc be read from
2260-449: A safety margin. DVD drives limit reading speed to 16× (constant angular velocity), which means 9280 rotations per minute. Early-generation drives released before the mid-2000s have lower limits. DVD recordable and rewritable discs can be read and written using either constant angular velocity (CAV), constant linear velocity (CLV), Partial constant angular velocity (P-CAV) or Zoned Constant Linear Velocity (Z-CLV or ZCLV). Due to
2373-428: A series. Licensed media such as novels and audio plays provided new stories , but as a television programme, Doctor Who remained dormant. In September 2003, BBC Television announced the in-house production of a new series, after several years of attempts by BBC Worldwide to find backing for a feature film version. The 2005 revival of Doctor Who is a direct plot continuation of the original 1963–1989 series and
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#17328524001972486-420: A special AVCHD format to hold high definition material (often in conjunction with AVCHD format camcorders ). DVDs containing other types of information may be referred to as DVD data discs. The Oxford English Dictionary comments that, "In 1995, rival manufacturers of the product initially named digital video disc agreed that, in order to emphasize the flexibility of the format for multimedia applications,
2599-489: A standard definition CRT TV or an HD flat panel TV with a DVD mechanism under the CRT or on the back of the flat panel, and VCR/DVD combos were also available for purchase. For consumers, DVD soon replaced VHS as the favored choice for home movie releases. In 2001, DVD players outsold VCRs for the first time in the United States. At that time, one in four American households owned a DVD player. By 2007, about 80% of Americans owned
2712-504: A stop. No 1960s episodes exist on their original videotapes (all surviving prints being film transfers), though some were transferred to film for editing before transmission and exist in their broadcast form. Some episodes have been returned to the BBC from the archives of other countries that bought prints for broadcast or by private individuals who acquired them by various means. Early colour videotape recordings made off-air by fans have also been retrieved, as well as excerpts filmed from
2825-432: A storage capacity of 4.7 GB (4.38 GiB ) for a single-layered, single-sided disc and 8.5 GB (7.92 GiB) for a dual-layered, single-sided disc. The DVD specification ended up similar to Toshiba and Matsushita's Super Density Disc, except for the dual-layer option. MMCD was single-sided and optionally dual-layer, whereas SD was two half-thickness, single-layer discs which were pressed separately and then glued together to form
2938-457: A total of 13 incarnations. This line became stuck in the public consciousness despite not often being repeated and was recognised by producers of the show as a plot obstacle for when the show finally had to regenerate the Doctor a thirteenth time. The episode " The Time of the Doctor " (2013) depicted the Doctor acquiring a new cycle of regenerations, starting from the Twelfth Doctor , due to
3051-528: Is a significant part of popular culture in Britain and elsewhere; it has gained a cult following . It has influenced generations of British television professionals, many of whom grew up watching the series. Fans of the series are sometimes referred to as Whovians . The series has been listed in Guinness World Records as the longest-running science-fiction television series in the world, as well as
3164-419: Is available in two formats, General (650 nm) and Authoring (635 nm), where Authoring discs may be recorded with CSS encrypted video content but General discs may not. Dual-layer recording (occasionally called double-layer recording) allows DVD-R and DVD+R discs to store nearly double the data of a single-layer disc—8.5 and 4.7 gigabyte capacities, respectively. The additional capacity comes at
3277-462: Is blank, and the other contains data. Each disc is 0.6 mm thick, and are glued together to form a DVD disc. The gluing process must be done carefully to make the disc as flat as possible to avoid both birefringence and "disc tilt", which is when the disc is not perfectly flat, preventing it from being read. Some specifications for mechanical, physical and optical characteristics of DVD optical discs can be downloaded as freely available standards from
3390-538: Is like comparing Monopoly with the property market in London: both are fantasies, but one is meant to be taken seriously." During Jon Pertwee 's second season as the Doctor, in the serial Terror of the Autons (1971), images of murderous plastic dolls, daffodils killing unsuspecting victims, and blank-featured policemen marked the apex of the series' ability to frighten children. Other notable moments in that decade include
3503-450: Is lost. Numerous factors affect longevity: composition and quality of the media (recording and substrate layers), humidity and light storage conditions, the quality of the initial recording (which is sometimes a matter of mutual compatibility of media and recorder), etc. According to NIST , "[a] temperature of 64.4 °F (18 °C) and 40% RH [Relative Humidity] would be considered suitable for long-term storage. A lower temperature and RH
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3616-492: Is measureable, which means that future data losses caused by deteriorating media can be predicted well in advance by measuring the rate of correctable data errors. Support of measuring the disc quality varies among optical drive vendors and models. DVD-Video is a standard for distributing video/audio content on DVD media. The format went on sale in Japan on November 1, 1996, in the United States on March 24, 1997, to line up with
3729-568: Is recommended for extended-term storage." As with CDs, the information and data storage will begin to degrade over time with most standard DVDs lasting up to 30 years depending on the type of environment they are stored and whether they are full with data. According to the Optical Storage Technology Association (OSTA), "Manufacturers claim lifespans ranging from 30 to 100 years for DVD, DVD-R and DVD+R discs and up to 30 years for DVD-RW, DVD+RW and DVD-RAM." According to
3842-478: Is the explanation provided in a DVD Forum Primer from 2000 and in the DVD Forum 's mission statement, which the purpose is to promote broad acceptance of DVD products on technology, across entertainment, and other industries. Because DVDs became highly popular for the distribution of movies in the 2000s, the term DVD became popularly used in English as a noun to describe specifically a full-length movie released on
3955-482: Is the first woman to be cast as the character. The show introduced the Time Lords' ability to change sex on regeneration in earlier episodes, first in dialogue, then with Michelle Gomez 's version of The Master and T'Nia Miller 's version of The General. Upon Whittaker's final appearance as the character in " The Power of the Doctor " on 23 October 2022, she regenerated into a form portrayed by David Tennant , who
4068-630: The Daily Telegraph in 2009, the revival of Doctor Who had consistently received high ratings, both in number of viewers and as measured by the Appreciation Index . In 2007, Caitlin Moran , television reviewer for The Times , wrote that Doctor Who is "quintessential to being British". According to Steven Moffat , the American film director Steven Spielberg has commented that "the world would be
4181-458: The 2017 finale , to be replaced by Chris Chibnall in 2018. Jodie Whittaker , the first female Doctor, appeared in three series, the last of which was shortened due to the COVID-19 pandemic . Both Whittaker and Chibnall announced that they would depart the series after a series of specials in 2022. Davies returned as showrunner from the 60th anniversary specials , twelve years after he had left
4294-497: The 69th Academy Awards that day; in Canada, Central America, and Indonesia later in 1997; and in Europe, Australia, and Africa in 1998. DVD-Video became the dominant form of home video distribution in Japan when it first went on sale on November 1, 1996, but it shared the market for home video distribution in the United States for several years; it was June 15, 2003, when weekly DVD-Video in
4407-690: The BBC since 1963. The series, created by Sydney Newman , C. E. Webber and Donald Wilson , depicts the adventures of an extraterrestrial being called the Doctor , part of a humanoid species called Time Lords . The Doctor travels in the universe and in time using a time travelling spaceship called the TARDIS , which externally appears as a British police box . While travelling, the Doctor works to save lives and liberate oppressed peoples by combating foes . The Doctor often travels with companions . Beginning with William Hartnell , fourteen actors have headlined
4520-486: The BBC Television Service at 17:16:20 GMT on 23 November 1963; this was eighty seconds later than the scheduled programme time, because of announcements concerning the previous day's assassination of John F. Kennedy . It was to be a regular weekly programme, each episode 25 minutes of transmission length. Discussions and plans for the programme had been in progress for a year. The head of drama Sydney Newman
4633-540: The Eleventh Doctor being the product of the Doctor's twelfth regeneration from his original set. Although the idea of casting a woman as the Doctor had been suggested by the show's writers several times, including by Newman in 1986 and Davies in 2008, until 2017, all official depictions were played by men. Jodie Whittaker took over the role as the Thirteenth Doctor at the end of the 2017 Christmas special and
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4746-538: The First Doctor transforming into the Second . The only portion of this in existence, barring a few poor-quality silent 8 mm clips, is the few seconds of the regeneration scene, as it was shown on the children's magazine show Blue Peter . With the approval of the BBC, efforts are now underway to restore as many of the episodes as possible from the extant material. "Official" reconstructions have also been released by
4859-552: The ISO website. There are also equivalent European Computer Manufacturers Association (Ecma) standards for some of these specifications, such as Ecma-267 for DVD-ROMs. Also, the DVD+RW Alliance publishes competing recordable DVD specifications such as DVD+R, DVD+R DL, DVD+RW or DVD+RW DL . These DVD formats are also ISO standards. Some DVD specifications (e.g. for DVD-Video) are not publicly available and can be obtained only from
4972-607: The Optical Storage Technology Association (OSTA) on the use of their implementation of the ISO-13346 file system (known as Universal Disk Format ) for use on the new DVDs. The format's details were finalized on December 8, 1995. In November 1995, Samsung announced it would start mass-producing DVDs by September 1996. The format launched on November 1, 1996, in Japan, mostly with music video releases. The first major releases from Warner Home Video arrived on December 20, 1996, with four titles being available. The format's release in
5085-521: The format war of 2006–2008 . A dual layer HD DVD can store up to 30 GB and a dual layer Blu-ray disc can hold up to 50 GB. However, unlike previous format changes, e.g., vinyl to Compact Disc or VHS videotape to DVD, initially there was no immediate indication that production of the standard DVD will gradually wind down, as at the beginning of the 2010s they still dominated, with around 75% of video sales and approximately one billion DVD player sales worldwide as of April 2011. In fact, experts claimed that
5198-402: The "classic series" eventually fell behind other science fiction in production values and reputation, leading to its cancellation The BBC drama department produced the programme for 26 seasons, broadcast on BBC One . Due to his increasingly poor health, William Hartnell , first actor to play the Doctor, was succeeded by Patrick Troughton in 1966. In 1970, Jon Pertwee replaced Troughton and
5311-470: The "most successful" science-fiction series of all time, based on its overall broadcast ratings, DVD and book sales. The series originally ran from 1963 to 1989. There was an unsuccessful attempt to revive regular production in 1996 with a backdoor pilot in the form of a television film titled Doctor Who . The series was relaunched in 2005 and was produced in-house by BBC Wales in Cardiff . Since 2023,
5424-403: The 1996 television film. The executive producers of the new incarnation of the series were Queer as Folk writer Russell T Davies and BBC Cymru Wales head of drama Julie Gardner . From 2005, the series switched from a multi-camera to a single-camera setup. Starring Christopher Eccleston as the Doctor, Doctor Who returned with the episode "Rose" on BBC One on 26 March 2005, after
5537-463: The 45-minute run time; notably, the episodes " Journey's End " from 2008 and " The Eleventh Hour " from 2010 were longer than an hour. 883 Doctor Who instalments have been televised since 1963, ranging between 25-minute episodes (the most common format for the classic era), 45/50-minute episodes (for Resurrection of the Daleks in the 1984 series, a single season in 1985, and the most common format for
5650-796: The BBC on VHS, on MP3 CD-ROM , and as special features on DVD. The BBC, in conjunction with animation studio Cosgrove Hall , reconstructed the missing episodes 1 and 4 of The Invasion (1968), using remastered audio tracks and the comprehensive stage notes for the original filming, for the serial's DVD release in November 2006. The missing episodes of The Reign of Terror were animated by animation company Theta-Sigma, in collaboration with Big Finish , and became available for purchase in May 2013 through Amazon.com. Subsequent animations made in 2013 include The Tenth Planet , The Ice Warriors (1967) and The Moonbase (1967). In April 2006, Blue Peter launched
5763-460: The DVD Book assigns them distinct disc types. DVD-14 has no analogous 8 cm type. The comparative data for 8 cm discs is provided further down. HP initially developed recordable DVD media from the need to store data for backup and transport. DVD recordables are now also used for consumer audio and video recording. Three formats were developed: DVD-R / RW , DVD+R / RW (plus), and DVD-RAM . DVD-R
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#17328524001975876-643: The DVD Format/Logo Licensing Corporation (DVD FLLC) for a fee of US$ 5000. Every subscriber must sign a non-disclosure agreement as certain information on the DVD Books is proprietary and confidential. Borrowing from the LaserDisc format, the DVD standard includes DVD-10 discs (Type B in ISO) with two recorded data layers such that only one layer is accessible from either side of the disc. This doubles
5989-500: The DVD would remain the dominant medium for at least another five years as Blu-ray technology was still in its introductory phase, write and read speeds being poor and necessary hardware being expensive and not readily available. Consumers initially were also slow to adopt Blu-ray due to the cost. By 2009, 85% of stores were selling Blu-ray Discs. A high-definition television and appropriate connection cables are also required to take advantage of Blu-ray disc. Some analysts suggested that
6102-625: The Doctors. The show later introduced another such unknown past Doctor with Jo Martin 's recurring portrayal of the Fugitive Doctor , beginning with " Fugitive of the Judoon " (2020). An example from the classic series comes from The Trial of a Time Lord (1986), in which Michael Jayston 's character the Valeyard is described as an amalgamation of the darker sides of the Doctor's nature, somewhere between
6215-599: The Land and the Sea . It has been the subject of many parodies and references in popular culture . Doctor Who follows the adventures of the title character, a rogue Time Lord with somewhat unknown origins who goes by the name " the Doctor ". The Doctor fled Gallifrey , the planet of the Time Lords, in a stolen TARDIS ("Time and Relative Dimension(s) in Space"), a time machine that travels by materialising into, and dematerialising out of,
6328-681: The TARDIS' blue police box design in merchandising associated with Doctor Who . In 1998, the Metropolitan Police Authority filed an objection to the trademark claim; but in 2002, the Patent Office ruled in favour of the BBC. The 21st-century revival of the programme became the centrepiece of BBC One's Saturday schedule and "defined the channel". Many renowned actors have made guest-starring appearances in various stories including Kylie Minogue , Sir Ian McKellen , and Andrew Garfield among others. According to an article in
6441-456: The U.S. was delayed multiple times, from August 1996, to October 1996, November 1996, before finally settling on early 1997. Players began to be produced domestically that winter, with March 24, 1997, as the U.S. launch date of the format proper in seven test markets. Approximately 32 titles were available on launch day, mainly from the Warner Bros. , MGM , and New Line libraries, with
6554-456: The United States rentals began outnumbering weekly VHS cassette rentals. DVD-Video is still the dominant form of home video distribution worldwide except for in Japan where it was surpassed by Blu-ray Disc when Blu-ray first went on sale in Japan on March 31, 2006. The purpose of CSS is twofold: In 2006, two new formats called HD DVD and Blu-ray Disc were released as the successor to DVD. HD DVD competed unsuccessfully with Blu-ray Disc in
6667-638: The ability to regenerate when there is mortal damage to their body. The Doctor's various incarnations have gained numerous recurring enemies during their travels, including the Daleks , their creator Davros , the Cybermen , and the renegade Time Lord the Master . Doctor Who was originally intended to appeal to a family audience as an educational programme using time travel as a means to explore scientific ideas and famous moments in history. The programme first appeared on
6780-452: The best known outside Doctor Who itself, due to the popularity of his Hitchhiker's Guide to the Galaxy works. The serial format changed for the 2005 revival , with what was now called a series usually consisting of thirteen 45-minute, self-contained episodes (60 minutes with adverts, on overseas commercial channels) and an extended 60-minute episode broadcast on Christmas Day. This system
6893-559: The biggest obstacle to replacing DVD was due to its installed base; a large majority of consumers were satisfied with DVDs. DVDs started to face competition from video on demand services around 2015. With increasing numbers of homes having high speed Internet connections, many people had the option to either rent or buy video from an online service, and view it by streaming it directly from that service's servers, meaning they no longer need any form of permanent storage media for video at all. By 2017, digital streaming services had overtaken
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#17328524001977006-631: The brain's frontal lobe . The phrase retains this association with Doctor Who , to the point that in 1991 the Museum of the Moving Image in London named its exhibition celebrating the programme Behind the Sofa . The electronic theme music too was perceived as eerie, novel, and frightening at the time. A 2012 article placed this childhood juxtaposition of fear and thrill "at the center of many people's relationship with
7119-401: The depiction of violence". John Nathan-Turner produced the series during the 1980s and said in the documentary More Than Thirty Years in the TARDIS that he looked forward to Whitehouse's comments because the ratings of the series would increase soon after she had made them. Nathan-Turner also got into trouble with BBC executives over the violence he allowed to be depicted for season 22 of
7232-475: The developers of the DVD format and eventually the first company to actually release a DVD-based console. Game consoles such as the PlayStation 2 , Xbox , and Xbox 360 use DVDs as their source medium for games and other software. Contemporary games for Windows were also distributed on DVD. Early DVDs were mastered using DLT tape, but using DVD-R DL or +R DL eventually became common. TV DVD combos , combining
7345-487: The development of the series. On 31 July 1963, Whitaker commissioned Terry Nation to write a story under the title The Mutants . As originally written, the Daleks and Thals were the victims of an alien neutron bomb attack but Nation later dropped the aliens and made the Daleks the aggressors. When the script was presented to Wilson, it was immediately rejected as the programme was not permitted to contain any " bug-eyed monsters ". According to Lambert, "We didn't have
7458-420: The first two Doctors: William Hartnell and Patrick Troughton . In all, 97 of 253 episodes produced during the programme's first six years are not held in the BBC's archives (most notably seasons 3, 4, and 5, from which 79 episodes are missing). In 1972, almost all episodes then made were known to exist at the BBC, while by 1978 the practice of wiping tapes and destroying "spare" film copies had been brought to
7571-889: The format's life, larger data buffers and faster optical pickups in DVD players made layer transitions effectively invisible regardless of mastering. Dual-layer DVDs are recorded using Opposite Track Path (OTP). The DVD Book also permits an additional disc type called DVD-14: a hybrid double-sided disc with one dual-layer side, one single-layer side, and a total nominal capacity of 12.3 GB. DVD-14 has no counterpart in ISO. Both of these additional disc types are extremely rare due to their complicated and expensive manufacturing. For this reason, some DVDs that were initially issued as double-sided discs were later pressed as two-disc sets. Note : The above sections regarding disc types pertain to 12 cm discs. The same disc types exist for 8 cm discs: ISO standards still regard these discs as Types A–D, while
7684-442: The format; for example the sentence to "watch a DVD" describes watching a movie on DVD. Released in 1987, CD Video used analog video encoding on optical discs matching the established standard 120 mm (4.7 in) size of audio CDs. Video CD (VCD) became one of the first formats for distributing digitally encoded films in this format, in 1993. In the same year, two new optical disc storage formats were being developed. One
7797-456: The ground up. By the beginning of the 2020s, sales of DVD had dropped 86% with respect to the peak of DVD sales around 2005, while on-demand sales and, overall, subscription streaming of TV shows and movies grew by over 1,200%. At its peak, DVD sales represented almost two thirds of video market in the US; approximately 15 years later, around 2020, they fell to only 10% of the market. By 2022, there
7910-444: The link to point directly to the intended article. Retrieved from " https://en.wikipedia.org/w/index.php?title=Doctor_Who_Prom&oldid=1242480329 " Category : Disambiguation pages Hidden categories: Short description is different from Wikidata All article disambiguation pages All disambiguation pages Doctor Who Doctor Who is a British science fiction television series broadcast by
8023-406: The narrative of one story flowing into the next and each episode having its own title, although produced as distinct stories with their own production codes. Following The Gunfighters (1966), however, each serial was given its own title, and the individual parts were assigned episode numbers. Of the programme's many writers , Robert Holmes was the most prolific, while Douglas Adams became
8136-428: The notable inclusion of the 1996 film Twister . However, the launch was planned for the following day (March 25), leading to a distribution change with retailers and studios to prevent similar violations of breaking the street date . The nationwide rollout for the format happened on August 22, 1997. DTS announced in late 1997 that they would be coming onto the format. The sound system company revealed details in
8249-451: The original film recordings. Shows that were made between the early 1980s and the early 2000s were generally shot on film, then transferred to video tape, and then edited natively in either NTSC or PAL; this makes high-definition transfers impossible, as these SD standards were baked into the final cuts of the episodes. Star Trek: The Next Generation was the only such show that had a Blu-ray release, as prints were re-scanned and edited from
8362-457: The original run, each weekly episode formed part of a story (or "serial")—usually of four to six parts in earlier years and three to four in later years. Some notable exceptions were: The Daleks' Master Plan , which aired twelve episodes (plus an earlier one-episode teaser, " Mission to the Unknown ", featuring none of the regular cast ); almost an entire season of seven-episode serials (season 7);
8475-399: The preferred abbreviation DVD would be understood to denote digital versatile disc." The OED also states that in 1995, "The companies said the official name of the format will simply be DVD. Toshiba had been using the name 'digital video disc', but that was switched to 'digital versatile disc' after computer companies complained that it left out their applications." "Digital versatile disc"
8588-510: The revival era since 2005), two feature-length productions (1983's " The Five Doctors " and the 1996 television film ), twelve Christmas specials (most of approximately 60 minutes' duration, one of 72 minutes), and four additional specials ranging from 60 to 75 minutes in 2009, 2010, and 2013. Four mini-episodes, running about eight minutes each, were also produced for the 1993, 2005, and 2007 Children in Need charity appeals, while another mini-episode
8701-400: The room to watch the remainder of it. The Economist presented "hiding behind the sofa whenever the Daleks appear" as a British cultural institution on a par with Bovril and tea-time . Paul Parsons, author of The Science of Doctor Who , explains the appeal of hiding behind the sofa as the activation of the fear response in the amygdala in conjunction with reassurances of safety from
8814-412: The sales of DVDs and Blu-rays for the first time. Until the end of the 2010s, manufacturers continued to release standard DVD titles as of 2020 , and the format remained the preferred one for the release of older television programs and films. Shows that were shot and edited entirely on film, such as Star Trek: The Original Series , could not be released in high definition without being re-scanned from
8927-422: The same memories, explaining each actor's distinct portrayal, as they all represent different stages in the life of the Doctor and, together, they form a single lifetime with a single narrative. The time-travelling nature of the plot means that different incarnations of the Doctor occasionally meet. In 2017, Jodie Whittaker , as the Thirteenth Doctor , became the first woman to be cast in the lead role. The series
9040-414: The same side—instead of proposal SD 10, which would have created a two-sided disc that users would have to turn over. Philips/Sony strongly insisted on the source code, EFMPlus , that Kees Schouhamer Immink had designed for the MMCD, because it makes it possible to apply the existing CD servo technology. Its drawback was a loss from 5 to 4.7 Gbyte of capacity. As a result, the DVD specification provided
9153-465: The series as the Doctor; as of 2024 , Ncuti Gatwa leads the series as the Fifteenth Doctor . The transition from one actor to another is written into the plot of the series with the concept of regeneration into a new incarnation , a plot device in which, when a Time Lord is fatally injured, their cells regenerate and they are reincarnated, into a different body with mannerisms and behaviour, but
9266-480: The series began production in colour. In 1974, Tom Baker was cast as the Doctor. His eccentric personality became hugely popular, with viewing figures for the series returning to a level not seen since the height of "Dalekmania" a decade earlier. After seven years in the role, Baker was replaced by Peter Davison in 1981, and Colin Baker replaced Davison in 1984. In 1985, the channel's controller Michael Grade cancelled
9379-434: The series in 1985, which was publicly criticised by controller Michael Grade and given as one of his reasons for suspending the series for 18 months. The phrase "hiding behind the sofa " (or "watching from behind the sofa") entered British pop culture , signifying the stereotypical but apocryphal early-series behaviour of children who wanted to avoid seeing frightening parts of a television programme while remaining in
9492-400: The series previously. Bad Wolf co-produces the series in partnership with BBC Studios Productions . Bad Wolf's involvement sees Gardner return to the series alongside Davies and Jane Tranter , who recommissioned the series in 2005. The programme has been sold to many other countries worldwide ( see § Viewership ). It has been claimed that the transmission of the first episode
9605-418: The series", and a 2011 online vote at Digital Spy deemed the series the "scariest TV show of all time". The image of the TARDIS has become firmly linked to the series in the public's consciousness; BBC scriptwriter Anthony Coburn , who lived in the resort of Herne Bay, Kent , was one of the people who conceived the idea of a police box as a time machine. In 1996, the BBC applied for a trademark to use
9718-523: The show has been co-produced by Bad Wolf and BBC Studios Productions in Cardiff. Doctor Who has spawned numerous spin-offs as part of the Whoniverse , including comic books, films, novels and audio dramas, and the television series Torchwood (2006–2011), The Sarah Jane Adventures (2007–2011), K9 (2009–2010), Class (2016), Tales of the TARDIS (2023–2024), and the upcoming The War Between
9831-663: The slightly lower data density of dual layer DVDs (4.25 GB instead of 4.7 GB per layer), the required rotation speed is around 10% faster for the same data rate, which means that the same angular speed rating equals a 10% higher physical angular rotation speed. For that reason, the increase of reading speeds of dual layer media has stagnated at 12× ( constant angular velocity ) for half-height optical drives released since around 2005, and slim type optical drives are only able to record dual layer media at 6× (constant angular velocity), while reading speeds of 8× are still supported by such. The quality and data integrity of optical media
9944-436: The television screen onto 8 mm cine film and clips that were shown on other programmes. Audio versions of all lost episodes exist from home viewers who made tape recordings of the show. Short clips from every story with the exception of Marco Polo (1964), " Mission to the Unknown " (1965) and The Massacre (1966) also exist. In addition to these, there are off-screen photographs made by photographer John Cura , who
10057-488: The ten-episode serial The War Games ; and The Trial of a Time Lord , which ran for fourteen episodes (albeit divided into three production codes and four narrative segments) during season 23 . Occasionally, serials were loosely connected by a story line, such as season 8 focusing on the Doctor battling a rogue Time Lord called the Master , season 16 's quest for the Key to Time , season 18 's journey through E-Space and
10170-539: The terms of a deal between BBC Worldwide and SMG Pictures in China, the company has first right of refusal on the purchase for the Chinese market of future series of the programme until and including Series 15. Between 1967 and 1978, large amounts of older material stored in the BBC's various video tape and film libraries was either destroyed or wiped . This included many early episodes of Doctor Who , those stories featuring
10283-418: The theme of entropy, and season 20 's Black Guardian trilogy. The programme was intended to be educational and for family viewing on the early Saturday evening schedule. It initially alternated stories set in the past, which taught younger audience members about history, and with those in the future or outer space, focusing on science. This was also reflected in the Doctor's original companions, one of whom
10396-540: The time vortex. The TARDIS has a vast interior but appears smaller on the outside, and is equipped with a " chameleon circuit " intended to make the machine take on the appearance of local objects as a disguise. Because of a malfunction, the Doctor's TARDIS remains fixed as a blue British police box . Across time and space, the Doctor's many incarnations often find events that pique their curiosity, and try to prevent evil forces from harming innocent people or changing history, using only ingenuity and minimal resources, such as
10509-416: The total nominal capacity of a DVD-10 disc to 9.4 GB (8.75 GiB), but each side is locked to 4.7 GB. Like DVD-5 discs, DVD-10 discs are defined as single-layer (SL) discs. DVD hardware accesses the additional layer (layer 1) by refocusing the laser through an otherwise normally-placed, semitransparent first layer (layer 0). This laser refocus—and the subsequent time needed to reacquire laser tracking—can cause
10622-552: The twelfth and final incarnation. The most recent example is when Richard E. Grant , who previously portrayed an alternate version of the Doctor known as the Shalka Doctor in the animated series Scream of the Shalka (2003), appeared as a hologram of a past Doctor in " Rogue " (2024). DVD The DVD (common abbreviation for digital video disc or digital versatile disc ) is a digital optical disc data storage format. It
10735-430: The ubiquitous VHS tape as the primary consumer video distribution format. Immediately following the formal adoption of a unified standard for DVD, two of the four leading video game console companies ( Sega and The 3DO Company ) said they already had plans to design a gaming console with DVDs as the source medium. Sony stated at the time that they had no plans to use DVD in their gaming systems, despite being one of
10848-435: The upcoming twenty-third season, forcing the series into an eighteen-month hiatus. In 1986, the series was recommissioned on the condition that Baker left the role of the Doctor, which was recast to Sylvester McCoy in 1987. Falling viewing numbers, a decline in the public perception of the series and a less-prominent transmission slot saw production ended in 1989 by Peter Cregeen , the BBC's new head of series. Although it
10961-401: The versatile sonic screwdriver . The Doctor rarely travels alone and is often joined by one or more companions on these adventures; these companions are usually humans, owing to the Doctor's fascination with planet Earth , which also leads to frequent collaborations with the international military task force UNIT when Earth is threatened. The Doctor is centuries old and, as a Time Lord, has
11074-493: Was a science teacher and another a history teacher. However, science fiction stories came to dominate the programme, and the history-oriented episodes, which were not popular with the production team, were dropped after The Highlanders (1967). While the show continued to use historical settings, they were generally used as a backdrop for science fiction tales, with one exception: Black Orchid (1982), set in 1920s England. The early stories were serialised in nature, with
11187-413: Was an increased demand of high definition media, where Ultra HD Blu-ray and regular Blu-ray formats made up for almost half of the US market while sales of physical media continued to shrink in favor of streaming services. Longevity of a storage medium is measured by how long the data remains readable, assuming compatible devices exist that can read it: that is, how long the disc can be stored until data
11300-561: Was confirmed to be the Fourteenth Doctor and the first actor to play two incarnations, having previously played the Tenth Doctor . In the same year, Ncuti Gatwa was revealed to be portraying the Fifteenth Doctor , making him the first black actor to headline the series. In addition to those actors who have headlined the series, others have portrayed versions of the Doctor in guest roles. Notably, in 2013, John Hurt guest-starred as
11413-468: Was delayed by ten minutes due to extended news coverage of the assassination of US President John F. Kennedy the previous day; in fact, it went out after a delay of eighty seconds. The BBC believed that coverage of the assassination, as well as a series of power blackouts across the country, had caused many viewers to miss this introduction to a new series, and it was broadcast again on 30 November 1963, just before episode two. The programme soon became
11526-402: Was effectively cancelled , the BBC repeatedly affirmed over several years that the series would return. While in-house production concluded, the BBC explored an independent production company to relaunch the series. Philip Segal , a British expatriate who worked for Columbia Pictures ' television arm in the United States, had approached the BBC as early as July 1989, while the 26th season
11639-403: Was filmed in 1080i for HDTV and broadcast simultaneously on BBC One and BBC HD . To celebrate the 50th anniversary of the show, a special 3D episode, " The Day of the Doctor ", was broadcast in 2013. In March 2013, it was announced that Tennant and Piper would be returning and that the episode would have a limited cinematic release worldwide. In June 2017, it was announced that due to
11752-468: Was hired by various production personnel to document many of their programmes during the 1950s and 1960s, including Doctor Who . These have been used in fan reconstructions of the serials. The BBC has tolerated these amateur reconstructions, provided they are not sold for profit and are distributed as low-quality copies. One of the most sought-after lost episodes is part four of the last William Hartnell serial, The Tenth Planet (1966), which ends with
11865-488: Was initially shrouded in mystery. In the programme's early days, the character was an eccentric alien traveller of great intelligence who battled injustice while exploring time and space in an unreliable time machine , the " TARDIS " (an acronym for Time and Relative Dimension in Space), which notably appears much larger on the inside than on the outside. The initially irascible and slightly sinister Doctor quickly mellowed into
11978-467: Was invented and developed in 1995 and first released on November 1, 1996, in Japan . The medium can store any kind of digital data and has been widely used to store video programs (watched using DVD players ), software and other computer files. DVDs offer significantly higher storage capacity than compact discs (CD) while having the same dimensions. A standard single-layer DVD can store up to 4.7 GB of data,
12091-486: Was mainly responsible for developing the programme, with the first format document for the series being written by Newman along with the head of the script department (later head of serials) Donald Wilson and staff writer C. E. Webber ; in a 1971 interview Wilson claimed to have named the series, and when this claim was put to Newman he did not dispute it. Writer Anthony Coburn , story editor David Whitaker and initial producer Verity Lambert also heavily contributed to
12204-547: Was produced in 2008 for a Doctor Who –themed edition of The Proms . The 1993 two-part story, entitled Dimensions in Time , was made in collaboration with the cast of the BBC soap-opera EastEnders and was filmed partly on the EastEnders set. A two-part mini-episode was also produced for the 2011 edition of Comic Relief . Starting with the 2009 special " Planet of the Dead ", the series
12317-422: Was responsible for the BBC's first merchandising boom. We had to rely on the story because there was little we could do with the effects. Star Wars in a way was the turning point. Once Star Wars had happened, Doctor Who effectively was out of date from that moment on really, judged by that level of technological expertise. — Philip Hinchcliffe , producer of Doctor Who from 1974 to 1977, on why
12430-434: Was shortened to twelve episodes and one Christmas special following the revival's eighth series , and ten episodes from the eleventh series . Each series includes standalone and multiple episodic stories, often linked with a loose story arc resolved in the series finale. As in the early "classic" era, each episode has its own title, whether stand-alone or part of a larger story. Occasionally, regular-series episodes will exceed
12543-489: Was still in production. Segal's negotiations eventually led to a Doctor Who television film as a pilot for an American series, broadcast on the Fox Network in 1996, as an international co-production between Fox, Universal Pictures , the BBC and BBC Worldwide . Starring Paul McGann as the Doctor, the film was successful in the UK (with 9.1 million viewers), but was less so in the United States and did not lead to
12656-847: Was the Multimedia Compact Disc (MMCD), backed by Philips and Sony (developers of the CD and CD-i ), and the other was the Super Density (SD) disc, supported by Toshiba , Time Warner , Matsushita Electric , Hitachi , Mitsubishi Electric , Pioneer , Thomson , and JVC . By the time of the press launches for both formats in January 1995, the MMCD nomenclature had been dropped, and Philips and Sony were referring to their format as Digital Video Disc (DVD). On May 3, 1995, an ad hoc , industry technical group formed from five computer companies (IBM, Apple, Compaq , Hewlett-Packard , and Microsoft) issued
12769-579: Was the most violent of the drama programmes the corporation produced at the time. The same report found that 3% of the surveyed audience believed the series was "very unsuitable" for family viewing. Responding to the findings of the survey in The Times newspaper, journalist Philip Howard maintained that, "to compare the violence of Dr Who , sired by a horse-laugh out of a nightmare, with the more realistic violence of other television series, where actors who look like human beings bleed paint that looks like blood,
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