Some of these have explored and offered accounts of Christie's disappearance in 1926, including the 1979 film Agatha ( with Vanessa Redgrave, where she sneaks away to plan revenge against her husband ) and the Doctor Who episode " The Unicorn and the Wasp " ( with Fenella Woolgar, her disappearance being the result of her suffering a temporary breakdown due to a brief psychic link being formed between her and an alien ).

* The tapes for the revival of BBC show Doctor Who were labeled with the anagram Torchwood, which later went on to be used as the name for a spin-off show.

* The Ark ( Doctor Who ), a 1966 Doctor Who serial

The 2012 Big Finish Productions Doctor Who audio play The Wrath of the Iceni starring Tom Baker takes place during Boudica's uprising against the Romans.

In September 2010, MIT students attempted to put a TARDIS, the time machine from the BBC's Doctor Who, onto a roof.

The Fifth incarnation of Doctor Who, Peter Davison, was noted for wearing a stalk of celery on his lapel, claiming it at one point to be an excellent restorative, though the human olfactory sense was comparatively weak.

" He, too, has become a noted writer of his own high-profile television drama programmes, including Queer as Folk and the 2005 revival of Doctor Who.

In 1966, Kit Pedler, a medical scientist, created the Cybermen for the TV program Doctor Who, based on his concerns about science changing and threatening humanity.

* The Daleks, Cybermen and Toclafane from Doctor Who.

* The Doctor Who serial State of Decay features a vampire named Camilla who in a brief but explicit moment finds much to ' admire ' in the Doctor's female travelling companion Romana who finds she has to turn away from the vampire's intense gaze.

* " Conspiracy ", third episode of the 1965 Doctor Who serial The Romans

* The episode " The Stones of Blood ", of the 16th season of Doctor Who, the Fourth Doctor encounters the Ogri, a silicon-based life form, and in the same sub-plot, the Megara, who are made entirely out of an unknown substance, possibly energy, and they uphold the word of the law, and execute all who break the law with a beam of energy.

# REDIRECT Doctor Who

* Deimos ( Doctor Who audio ), an audio drama

Davros is a character from the long-running British science fiction television series Doctor Who.

Cast in the role of Davros was Michael Wisher, who had previously appeared in several different roles on Doctor Who and had provided Dalek voices in the serials Frontier in Space, Planet of the Daleks and Death to the Daleks.

During Doctor Who Confidential Russell T Davies explained how he believes Davros to have survived the Crucible's destruction in some way, not specifically showing his death for this reason.

Doctor Who Magazine printed several comics stories involving Davros.

Speaking with the Emperor, the Doctor addresses him as Davros, but the Emperor responds " Who is Davros?

Paul Cornell's dark vignette in the Doctor Who Magazine Brief Encounters series, " An Incident Concerning the Bombardment of the Phobos Colony " occurs sometime between " Resurrection of the Daleks " and his assumption of the role of Emperor.

In 2008, Julian Bleach appeared live as Davros at the Doctor Who Prom, announcing that the Royal Albert Hall would become his new palace, and the audience his " obedient slaves ".

* Enlightenment ( Doctor Who ), a 1983 Doctor Who serial

The role of Rost in the Doctor Who serial " Attack of the Cybermen " was meant for her but she allegedly had a disagreement with the production team over her fee and was replaced by Sarah Greene.

In the Doctor Who serial The Green Death ( 1973 ), The Doctor temporarily stumps BOSS by asking it " If I were to tell you that the next thing I say would be true, but the last thing I said was a lie, would you believe me?

* In the Doctor Who serial Snakedance, A Punch and Judy show is briefly recreated despite the alien setting.

He was originally assigned to design the second Doctor Who serial, The Daleks, which would have entailed realising the famous alien creatures.

It is possible that the screwdriver had appeared before Fury from the Deep without the Doctor referring to it by that name: the prop used there appears to be one used by the Doctor in many earlier stories, including the First Doctor's sabotage of Dalek equipment as early as the second serial.

The sonic screwdriver was written out of the series late in season 19, in the Fifth Doctor serial The Visitation.

The newly married Martha Smith-Jones and Mickey Smith are seen being chased by a Sontaran sniper in the last Tenth Doctor serial The End of Time, for unknown reasons.

The Doctor implies in this serial, with his protestations of being " bugged ", that the TARDIS is not normally connected to the Matrix in this manner.

The Doctor attempts to repair the circuit in " Logopolis " and " Attack of the Cybermen ", but the successful transformation of the TARDIS into the shapes of a pipe organ, a painted Welsh dresser ( much to the amusement of Perpurgilliam " Peri " Brown and the Sixth Doctor's annoyance ) and an elaborate gateway in the latter serial was followed by a return to the police box shape.

The Doctor Who serial " The Deadly Assassin ", first broadcast in 1976, introduced a dream-like computer-generated reality, known as the Matrix.

The cave was used for the filming of episodes of the BBC TV series Doctor Who: the serial Revenge of the Cybermen ( 1975 ) starring Tom Baker.

These include the Doctor Who serial The Time Warrior, broadcast in 1973 – 74, and a 1991 movie of Robin Hood starring Patrick Bergin and Uma Thurman.

Bron appeared in a brief scene in the BBC science fiction television series Doctor Who serial City of Death ( 1979 ) alongside John Cleese as art critics in Denise Rene's art gallery in Paris.

" Later, she had a more substantial guest role in another Doctor Who television serial, Revelation of the Daleks ( 1984 ).

The genesis of the novel was in two Doctor Who serials written by Adams, City of Death, ( in which an alien tries to change history at the cost of erasing humanity from existence ), and in particular the cancelled serial Shada, which first introduces a Cambridge professor called Chronotis who is hundreds of years old.

Pemberton had previously served as script editor of Doctor Who and had penned the serial “ Fury from the Deep ”.

* Dreamland ( Doctor Who ), a 2009 animated serial based on Doctor Who

Set prior to Remembrance of the Daleks in Davros's timeline, but after in the timeline of the Doctor, the latter, accompanied by Bernice Summerfield, together with help from the Sixth Doctor, ensures that Davros will survive the wrath of the Daleks so that he can assume the title of Emperor, allowing history to take its course.

By the time of the Eighth Doctor audio play Terror Firma ( set after Remembrance ), Davros is commanding a Dalek army which has successfully conquered the Earth.

In " Boom Town ", the Doctor simply noted that humans do not notice odd things like the TARDIS, echoing a similar sentiment expressed by the Seventh Doctor in Remembrance of the Daleks ( 1988 ), that humans have an " amazing capacity for self-deception ".

Jodrell Bank has been mentioned in several popular works of fiction, including Doctor Who ( Remembrance of the Daleks, The Poison Sky, The Eleventh Hour and most notably Logopolis ), The Hitchhiker's Guide to the Galaxy ( as well as The Hitchhiker's Guide to the Galaxy film ), The Creeping Terror and Meteor.

Skaro's final appearance in the classic series ( in the chronology of the Doctor Who universe ) is in the story Remembrance of the Daleks, in which the Seventh Doctor tricked Davros and his " pure Imperial Daleks " into stealing the Hand of Omega.

Doctor Who serials that take place on Skaro or feature Skaro prominently are The Daleks, The Evil of the Daleks, Genesis of the Daleks, Destiny of the Daleks and Remembrance of the Daleks.

In Remembrance of the Daleks the Seventh Doctor explains that the " Hand of Omega " is the mythical name for the remote stellar manipulator invented by Omega, the first of the Time Lords of the planet Gallifrey.

In Remembrance, the Seventh Doctor returned to 1963, apparently to move the Hand to another hiding place.

Remembrance of the Daleks is the first serial of the 25th season in the British science fiction television series Doctor Who, which was first broadcast in four weekly parts from 5 October to 26 October 1988.

Remembrance of the Daleks returns the Doctor to Coal Hill School and the junkyard at 76 Totter's Lane, locations first seen in that episode.

The Doctor Who Magazine comic strip story Emperor of the Daleks ( DWM # 197 -# 202 ) also attempts to fill in this gap, with Davros conquering Skaro and also explaining how his remains came to be housed in the Emperor Dalek shell while the Big Finish Productions audio adventure The Juggernauts presents an alternate version of Davros's activities in the period between Revelation and Remembrance.

Furthermore, Dalek Caan mentions in " Daleks in Manhattan " ( 2007 ) that Skaro was destroyed in " a great war ", leaving more doubt as to the actual moment of its destruction ( Russell T Davies referred in Doctor Who Confidential to the events of Genesis of the Daleks as the first strike of the Time War, so Caan might be referring to the events of Remembrance in this context ).

Skaro was destroyed in Remembrance of the Daleks ( 1988 ), when the Seventh Doctor sent the Omega Device to the future to destroy the Dalek / Thal homeworld, although nothing further has been noted about the Thals after the aforementioned Spiridon encounter.

In Attack, the TARDIS lands in the scrapyard, while in Remembrance, the Doctor follows a military detail there to deal with an unknown assailant that turns out to be a lone Dalek.

* Group Captain Ian " Chunky " Gilmore, fictional character in Doctor Who played by Simon Williams in the episode " Remembrance of the Daleks "

Later television appearances include Tinker, Tailor, Soldier, Spy ( 1979 ), in which he played Mendel, and the Doctor Who story Remembrance of the Daleks, ( 1988 ), in which he played a fascist called Mr Ratcliffe.

In Remembrance of the Daleks ( 1988 ) and the episodes " The Parting of the Ways ( 2005 )" and " Doomsday " ( 2006 ) the Doctor states that Dalek casings are constructed from " bonded polycarbide ".

Remembrance of the Daleks was the Daleks ' last appearance in the ' classic ' Doctor Who series, with the programme being put on hiatus by the BBC after November 1989.

Remembrance has the Doctor use " we " when referring to early Gallifreyan time travel experiments.

A Special Weapons Dalek from Doctor Who, with two Imperial Daleks behind ( from Remembrance of the Daleks ).