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 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

It is not clear whether this building is in the capital or outside it and equally it is unclear whether it is a single building or different for each group of Time Lords ( Borusa refers to Prydon Academy in The Deadly Assassin, but the Doctor in The Time Monster and The Sound of Drums refers to it as a single Academy ).

The " Gamemasters Book " also includes two scenarios: " Deadly Devices of Doctor Dread ", which pits a team of heroes against the Dr.

* In " The Deadly Assassin ", Announcer Runcible, an old classmate, recognises the Fourth Doctor despite his changes in appearance and mentions that the Doctor appears to have had a " face lift " since they last met.

It is implied ( in The Invasion of Time and The Deadly Assassin ) that the terms " Gallifreyan " and " Time Lord " may not be synonymous, and that Time Lords are simply that subset of Gallifreyans who have achieved the status of Time Lord via achievement in the Gallifreyan collegiate system ; in the episode " The Sound of Drums " The Doctor talks of ' children of Gallifrey ' which implies that children are Gallifreyan before they are Time Lords.

The President is an elected position ; on Presidential Resignation Day, the outgoing President usually names his successor, who is then usually confirmed in a non-contested " election ", but it is still constitutionally possible for another candidate to put themselves forward for the post, as the Doctor did in " The Deadly Assassin ".

While the Doctor did become President in The Deadly Assassin, assumed the role in The Invasion of Time and was appointed once again as President in The Five Doctors, by the time of his sixth incarnation's trial in The Trial of a Time Lord he had been removed from office due to his absence.

The comic strip Plastic Millennium, published in the Doctor Who Magazine Winter 1994 Special ; Craig Hinton's Virgin Missing Adventures novel Millennial Rites ( October 1995 ); Justin Richards's Past Doctor Adventures novel Millennium Shock ( May 1999 ), the Short Trips: Seven Deadly Sins story " Suitors, Inc ." ( 2005 ) and the Fourth Doctor's segment from the comic The Forgotten ( 2008 ) all take place on those dates, as do elements of the Torchwood episode " Fragments ".

Curran also issued an apology to Whitehouse after she complained about a scene at the end of episode three of The Deadly Assassin, a Doctor Who serial broadcast in 1976, in which the Doctor, played by Tom Baker, had his head held under water by a villain.

McCaughey described healthcare advisor Ezekiel Emanuel in a New York Post opinion article as a " Deadly Doctor " who advocated healthcare rationing by age and disability.

The Deadly Assassin is the third serial of the 14th season of the British science fiction television series Doctor Who, which was first broadcast in four weekly parts from 30 October to 20 November 1976.

* Robert Holmes said of The Deadly Assassin that it was difficult to write a script without anyone for the Doctor to share his thoughts and plans with, the usual role of the companion.

The Eye was originally mentioned in the Fourth Doctor serial The Deadly Assassin ( 1976 ), where it was revealed as the source of power that sustained Gallifrey.

Until the Fourth Doctor and the renegade Time Lord known as the Master rediscovered it in The Deadly Assassin, the Time Lords had forgotten its location, some even believing it to be mythical or no longer in existence.

In The Deadly Assassin and the 1996 Doctor Who television movie, the Master tried to use the Eye to steal himself a new set of regenerations from the Eighth Doctor.

Within the Matrix, the Doctor is forced to fight the Valeyard, much like he had fought Goth in The Deadly Assassin.

* Sherlock Holmes and Doctor Watson-Hadlock ( The Case of the Deadly Tower, 1980 )

* Before the Doctor falls from the dish, the enemies that mock him are the Master ( as seen in The Deadly Assassin ), a Dalek ( Destiny of the Daleks ), the Pirate Captain ( The Pirate Planet ), the Cyberleader ( Revenge of the Cybermen ), Davros ( Genesis of the Daleks ), a Sontaran ( The Invasion of Time ), a Zygon ( Terror of the Zygons ) and the Black Guardian ( The Armageddon Factor ).

Tom Baker as the Doctor, dressed in Time Lord robes ( from Doctor Who-The Deadly Assassin )

* Doc Holliday, Deadly Doctor of the West