The sonic screwdriver is a fictional multifunctional tool in the British science fiction television programme Doctor Who and its spin-offs, used by the Doctor. Like the TARDIS, it has become one of the icons of the programme, and spin-off media such as The Sarah Jane Adventures and Torchwood have replicated its functions in devices such as the sonic lipstick, sonic blaster, sonic probe, sonic modulator and sonic cane.
The Doctor is the protagonist of the long-running BBC science fiction television series Doctor Who. Since the show's inception in 1963, the character has been portrayed by fourteen lead actors. "The Doctor" is the alias of a humanoid alien, a Time Lord travelling through space and time in their ship, the TARDIS, often with companions. The transition to each succeeding actor is explained within the show's narrative through the plot device of "regeneration", a biological function of Time Lords that allows a change of cellular structure and appearance with recovery following a fatal injury.
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 Tenth Doctor is an incarnation of the Doctor, the protagonist of the British science fiction television series Doctor Who. He is played by David Tennant in three series as well as nine specials. The character has also appeared in other Doctor Who spin-offs. Tennant's time as the Tenth Doctor is highly regarded among fans of the show and is considered one of the most iconic incarnations of the character, often ranked alongside Tom Baker's Fourth Doctor.
Jackie Tyler is a fictional character played by Camille Coduri in the British science fiction television series Doctor Who. The character, a resident of contemporary London, is introduced in the first episode of the 2005 revival as the mother of Rose Tyler, a travelling companion of the alien time traveller the Doctor. Jackie is a recurring character during Series 1 and 2 and later makes guest appearances in Series 4 and the 2010 New Year’s special, The End of Time. The character has also appeared in expanded universe material such as the Doctor Who New Series Adventures novels and the Doctor Who Magazine comic strip.
"Boom Town" is the eleventh episode of the first series of the British science fiction television programme Doctor Who. The episode was first broadcast on BBC One on 4 June 2005. It was written by executive producer Russell T Davies and directed by Joe Ahearne.
"The Parting of the Ways" is the thirteenth episode and the season finale of the revived first series of the British science fiction television programme Doctor Who. The episode was first broadcast on BBC One on 18 June 2005. It was the second episode of the two-part story. The first part, "Bad Wolf", was broadcast on 11 June.
"The Christmas Invasion" is a 60-minute special episode of the British science fiction television programme Doctor Who, first broadcast on BBC One on 25 December 2005. It was written by showrunner and executive producer Russell T Davies and was directed by James Hawes.
"The Runaway Bride" is a special episode of the long-running British science fiction television programme Doctor Who, starring David Tennant as the Tenth Doctor. It was produced as the Doctor Who Christmas special for 2006, broadcast on 25 December, and aired between the second and third series of the relaunched show.
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.
"Journey's End" is the thirteenth and final episode of the fourth series of the British science fiction television series Doctor Who, which was first broadcast on BBC One on 5 July 2008. It is the second episode of a two-part crossover story featuring the characters of spin-off shows Torchwood and The Sarah Jane Adventures, preceded by "The Stolen Earth", which aired on 28 June. At 65 minutes in length, it was approximately 20 minutes longer than a standard fourth-series episode. It marked the final regular appearances of every companion introduced in the Russell T Davies era, including Catherine Tate as Donna Noble.
"The Eleventh Hour" is the first episode of the fifth series of the British science fiction television programme Doctor Who, first broadcast on BBC One and BBC HD on 3 April 2010. The episode, written by then-new head writer and executive producer Steven Moffat and directed by Adam Smith, saw a complete change in cast and production crew.
"Space" and "Time" are two mini-episodes of the British science fiction television series Doctor Who. Written by the programme's head writer Steven Moffat and directed by Richard Senior, the mini-episodes were broadcast on 18 March 2011 as part of BBC One's Red Nose Day telethon for the charity Comic Relief.
Night and the Doctor is a series of five made-for-DVD mini-episodes of Doctor Who which were written by Steven Moffat. They were released as bonus features in the Complete Sixth Series DVD and Blu-ray box sets in November 2011. The first four are narratively linked, centring on the question, "What does the Doctor do at night when his companions are asleep?" and take place in the console room of the TARDIS. The fifth one precedes the events of the episode "Closing Time", possibly a prequel or deleted scene, though this remains unconfirmed by the BBC. No cast or crew were credited for any of the five episodes except for writer Steven Moffat.
"The Snowmen" is an episode of the British science fiction television series Doctor Who, first broadcast on Christmas Day 2012 on BBC One. It is the eighth Doctor Who Christmas special since the show's 2005 revival and the first to be within a series. It was written by head writer and executive producer Steven Moffat and directed by Saul Metzstein, with the special produced in August 2012, and filmed on location in Newport, Wales and Bristol.
"The Day of the Doctor" is a special episode of the British science fiction television programme Doctor Who, marking its 50th anniversary. It was written by Steven Moffat, who served as an executive producer alongside Faith Penhale. It was shown on BBC One on 23 November 2013, in both 2D and 3D. The special was broadcast simultaneously in 94 countries, and was shown concurrently in 3D in some cinemas. It achieved the Guinness World Record for the largest ever simulcast of a TV drama and won the Radio Times Audience Award at the 2014 British Academy Television Awards.
"The Time of the Doctor" is an episode of the British science fiction television programme Doctor Who, written by Steven Moffat and directed by Jamie Payne, and was broadcast as the ninth Doctor Who Christmas special on 25 December 2013 on BBC One. It features the final regular appearance of Matt Smith as the Eleventh Doctor and the first full appearance of Peter Capaldi as the Twelfth Doctor following his brief cameo in the previous episode "The Day of the Doctor". The episode also features Jenna Coleman as the Doctor's companion Clara Oswald, plus several enemies of the Doctor, including the Daleks, Cybermen, Silence and Weeping Angels.
"The Night of the Doctor" is a mini-episode of the British science fiction television programme Doctor Who. It was made available on BBC iPlayer and YouTube on 14 November 2013, as part of the BBC One lead-up to the show's 50th anniversary special. It was written by Steven Moffat and starred Paul McGann as the Doctor.
"The Husbands of River Song" is an episode of the British science fiction television series Doctor Who. First broadcast on BBC One on 25 December 2015, it is the eleventh Christmas special since the show's revival in 2005. It was written by Steven Moffat and directed by Douglas Mackinnon. The episode marks the return of Alex Kingston as River Song, making her first appearance alongside Peter Capaldi's Twelfth Doctor, and also her last on screen appearance to date. This also features the first appearance of Nardole, who would become a companion starting from the next episode.
"Twice Upon a Time" is an episode of the British science fiction television series Doctor Who, written by Steven Moffat, directed by Rachel Talalay, and was broadcast as the thirteenth Christmas special on 25 December 2017 on BBC One. It features the final regular appearance of Peter Capaldi as the Twelfth Doctor, the first official appearance of Jodie Whittaker as the Thirteenth Doctor, and guest-stars David Bradley as the First Doctor, having previously portrayed original First Doctor actor William Hartnell in the 2013 docudrama An Adventure in Space and Time. Pearl Mackie guest stars as the Twelfth Doctor's former companion Bill Potts, while his other companions make guest appearances – Jenna Coleman as Clara Oswald and Matt Lucas as Nardole. Mark Gatiss plays a British army captain taken from the First World War.
