* January 3 – Jon Pertwee makes his first appearance as the Third Doctor in the Doctor Who serial Spearhead from Space.

* June 8 – Jon Pertwee makes his final regular appearance as the Third Doctor in the concluding moments of Part Six of the Doctor Who serial Planet of the Spiders.

The unmade prequel serial Quatermass in the Third Reich, an idea conceived by Kneale in the late 1990s, would have shown Quatermass travelling to Nazi Germany during the 1936 Berlin Olympics and becoming involved with Wernher von Braun and the German rocket programme, before helping a young Jewish refugee to escape from the country.

" However, in the late 1990s he conceived an idea for a prequel serial, entitled Quatermass in the Third Reich and set in Germany in the 1930s.

Except for the reuse of the theme music, the majority of musical cues come from episodes between Meglos and The Caves of Androzani, with a brief excerpt also taken from the Third Doctor serial The Sea Devils as well as an excerpt from the Seventh Doctor serial The Greatest Show in the Galaxy.

Also, U. S. member Wendell C. Johnson ( Fifth Company, Third Regiment, serial # 37 168 437 ), risking his life to save a fellow Black Devil, walked into a minefield and brought his brigade comrade to safety.

The serial introduced Jon Pertwee as the Third Doctor.

A scene cut from the script of the Third Doctor serial Day of the Daleks would have stated that the rebellious Daleks of this serial were destroyed, however, establishing that Evil was not the last Dalek story.

* The Doctor cites the " Blinovitch Limitation Effect " as the reason for the temporal energy discharge resulting from the meeting of the two Brigadiers ; this was first mentioned in the Third Doctor serial Day of the Daleks.

* The Third Eye ( 1920 ) ( serial )

* Along with a few other selected serials of the Second and Third Doctor's runs, this serial has been offered for sale on the iTunes Store as of August 2008.

* " The Corpse on the Third Slab " 2-part serial ( July / August 1923 )

In the 1960s, Nørgård began exploring the modernist techniques of central Europe, eventually developing a serial compositional system based on the " infinity series " ( Nørgård 1975 ), which he used in his Voyage into the Golden Screen, the Second and Third Symphonies, I Ching, and other works of the late 1960s and 70s ( Mortensen ).

Yates first appeared in the Third Doctor serial Terror of the Autons, the latest in a line of Captains assisting Brigadier Lethbridge-Stewart, although the Doctor implies that he was around for previous stories.

Sarah communicated this back to the Doctor, leading into the rest of the events of the Third Doctor's last serial, Planet of the Spiders.

Variations on this myth were used again in the Third Doctor serial The Time Monster and the Fourth Doctor serial The Horns of Nimon.

In the Third Doctor serial The Green Death, the Doctor asked the rogue artificial intelligence BOSS the same question.

* During this play, the Doctor uses the Delphon eyebrow language, first mentioned in the Third Doctor serial Spearhead from Space.

* The story was released in a DVD box set called " Myths and Legends " along with the Third Doctor serial The Time Monster and the Fourth Doctor serial The Horns of Nimon.

He had previously appeared in the show itself as a Time Lord in the 1969 serial The War Games opposite Second Doctor Patrick Troughton and later guested in the 1993 Doctor Who radio play The Paradise of Death alongside Third Doctor Jon Pertwee and the 2003 Doctor Who audio drama Flip-Flop alongside Seventh Doctor Sylvester McCoy.

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

* 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

* 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