In 1909, the Opel 4 / 8 hp model, known as the " Doctor's Car " was produced.

While competitive, due to high volume, and below the Ford US $ 850 " Doctor's Car ", Western in 1905 produced the Gale Model A roadster at US $ 500, the Black went as low as $ 375, and the Success hit the amazingly low US $ 250.

A later story introduced the Trods, cone-shaped robotic creatures that ran on static electricity, created for the strip by artist John Canning as surrogate Daleks, since the latter could not at that time be used as Terry Nation had sold the rights to the Doctor's arch-enemies elsewhere ; namely, City Publications ' TV Century 21.

Davros furiously refuses the Doctor's offer to take him to safety, accusing him of being responsible for the destruction, screaming: " Never forget, Doctor, you did this!

During the first decade of the television series, the name of the Doctor's home planet was not revealed, although it was actually shown for the first time in The War Games ( 1969 ) during the Doctor's trial.

This provides a possible explanation for existence of Irving Braxiatel, a Time Lord who claims to be the Doctor's brother yet is not one of the cousins from Lungbarrow and the implication in The Gallifrey Chronicles that the character Marnal is The Master's father ( whose existence is mentioned in The End of Time ).

Janeway's other interactions with her crew include helping the ex-Borg Seven of Nine reclaim her individuality and humanity and advocating for the Doctor's status as a sentient being.

During the Third Doctor's tenure, producer Barry Letts was adamant that the device not become a cure-all for the series, and limited its use to avoid writers becoming over-reliant on it.

Despite the Doctor's claim not to give his screwdriver to anyone, he gives one to his own doppelgänger in " The Rebel Flesh ", and either gives or loans one to Rory Williams for use in " A Good Man Goes to War ", having previously loaned one to Rory in " The Big Bang ".

The Doctor's TARDIS was for most of the franchise's history said to have been stolen from the Time Lords ' home planet, Gallifrey, where it was old, decommissioned and derelict ( and, in fact, in a museum ).

" This does not apply when facing certain extremely advanced weaponry, often created after the Doctor's Type 40 TARDIS, such as Dalek missiles (" The Parting of the Ways "), for which the TARDIS requires additional shielding.

By the time of " The Pirate Planet ," the Doctor had been travelling on board in time and space for 523 years and by the time of " The Doctor's Wife ", he had been travelling in it for 700 years.

In " The Eleventh Hour " the TARDIS completely changes after crashing, and the Doctor's comment " What have you got for me this time?

In " The Empty Child " ( 2005 ), the Ninth Doctor claimed that he has had " 900 years of phone box travel ", while " The Doctor's Wife " says they've been travelling together for only 700 years.

Alien influences have also, for example, trapped the Doctor's TARDIS and drained its power in " The Web Planet " ( 1965 ) and " Death to the Daleks " ( 1974 ), while its course has been diverted by " The Keeper of Traken " ( 1981 ), the " Mandragora Helix " ( 1976 ) and by the Daleks ' " time corridor " in " Resurrection of the Daleks " ( 1984 ).

Adds a token for Shamrock, the Doctor's dog, and expansion rules.

In a departure from the Doctor's first two incarnations, Pertwee played the character as an active crusader with a penchant for action and fancy clothes, even while the character was exiled on Earth and serving with UNIT.

In 2011, he was commissioned to direct and write the libretto for another opera, entitled The Doctor's Tale.

In 1995, Subway Sandwich Shops, Fred DeLuca, Peter Buck, and Doctor's Associates, Inc. were held liable for breach of contract.

The plaintiffs claimed the defendants had misrepresented the asset value of Subway Sandwich Shops ( a leasing company used by Doctor's Associates for franchising purposes ) while negotiating a 1985 lease agreement.

* The Doctor's doctor, a very useful web site for patients and pathologists

" One of the first sketches he wrote was called " Doctor's Waiting Room ", with the main part written for Corbett.

After that, he sets off to reunite with the Daleks, hoping to get his final revenge on the Doctor, in Lucie Miller / To the Death, only for his plans to backfire when the Daleks betray him, resulting in the deaths of Tamsin, Lucy, and the Doctor's great-grandson Alex, although the Monk saves the Doctor and Susan to make up for his role in the Dalek attack.

A UNIT officer states that the Doctor's death must have been too quick to allow for regeneration.

Several times throughout the history of the show the Daleks have become extinct only to be ' reborn ' at a later time due to their huge fan base and iconic placement as the Doctor's greatest foes.

Before the arrival of the mobile emitter, The Doctor's holo-program was confined only to the Sickbay and the holodecks.

However, the Doctor's TARDIS has been seen to be able to fly through physical space, first in " Fury from the Deep " ( 1968 ) and at repeated times throughout the revived series, most notably in " The Runaway Bride " ( 2006 ), in which the TARDIS is shown launching into space ( most previous incidents show the TARDIS flying only after it has dematerialised from a location ).

" In " The Doctor's Wife " the TARDIS says she has 30 desktops archived, although the Doctor has only changed it a dozen times " yet ".

Romana is one of only two members of the Doctor's own race to travel with him in the original television series.

Although stuffed to the gills with ex-Doctor Who guest stars, only one of them was actually playing the same character: the story was built around Caroline John's Dr Elizabeth Shaw, the Doctor's companion in the seventh season of Doctor Who, now depicted as an investigator for PROBE ( the " Preternatural Research Bureau ").

Despite the Doctor's best efforts to broker a peaceful solution, the Silurians are still determined to exterminate Humanity, only to have their base destroyed by the fictional United Nations Intelligence Taskforce on the orders of Brigadier Lethbridge-Stewart ( Nicholas Courtney ) to preempt this open threat.

The area is also home to the UK's only real-life " TARDIS ", so called because it resembles The Doctor's time machine in the BBC television series Doctor Who.

* This story marked the only televised meeting of the Sixth Doctor and the Brigadier, meaning that actor Nicholas Courtney is the only person to have worked alongside the first seven Doctors from the original show's run, although his first appearance opposite the first Doctor was not as the Brigadier but rather Bret Vyon ; the first Doctor's later appearance in The Three Doctors was recorded separately and did not involve Courtney.

They also appear in the Eighth Doctor Adventures novel War of the Daleks by John Peel, which depicts them having become a warlike society willing to destroy an inhabited planet simply as part of a trap to defeat a Dalek attack fleet-although the Doctor's disgust at their actions lends some hope that they will begin to reconsider their stance -, and the Big Finish Productions audio plays The Mutant Phase, where their attempt to use a biological weapon against the Daleks nearly creates a monstrous insectoid race, and Brotherhood of the Daleks, where the Sixth Doctor discovers a Thal project to brainwash Daleks to act as ' sleeper agents ', only for the plan to fail when the Daleks ' true natures assert themselves.

* When reluctantly filling out an emergency medical treatment form, Chang Lee ( who had only met the semi-conscious Seventh Doctor minutes earlier and did not know his identity ) gives the Doctor's name as " John Smith ", a recurring alias originally given to the Second Doctor by companion Jamie McCrimmon in The Wheel in Space.

* The film further states that the " Eye " can only be opened with the scan of a human retina, a fact apparently tied to the Doctor's own human retinal pattern.

The 2000 Big Finish audio play The Apocalypse Element attempts to explain this decision by introducing a plot point in which the eye of the Sixth Doctor's companion Evelyn Smythe is keyed to a Gallifreyan security system so as to confound enemy expectations by allowing entry only to the most unlikely of candidates, the Doctor speculating after the crisis is over that the TARDIS may retain some sensitivity to human eyes in the future.

After years of only novelisations being published, the first full-length original Doctor Who-related novels appeared in 1986 when Target launched a series of books titled The Companions of Doctor Who which were original works focusing on the Doctor's former assistants.

* The Fifth Doctor's sequence in the novel The Eight Doctors – featuring the Eighth Doctor going through his own past to meet and assist his other selves – takes place after this episode, the Fifth Doctor travelling to the Eye of Orion to continue their earlier holiday only to be attacked by a renegade Time Lord from the Eighth Doctor's era using the Timescoop, forcing the two Doctors to defeat a Raston Warrior Robot and a Sontaran squadron.

She is frequently the only person willing to stand up to the First Doctor's cantankerous outbursts with firmness and logic.

In the commentary to the BBC's DVD release of An Unearthly Child, actress Carole Ann Ford points out that suggestions that Susan was not the Doctor's natural granddaughter were only first put forward in the 1990s.

It was gradually substituted with the " Doctor's exam " in 1969 and was re-instituted as an intermediate level in research training in the 1980s, now requiring only two years of study.

Dulness agrees and wishes for a pedant king like James I again, who will " stick the Doctor's Chair into the Throne " ( 177 ), for only a pedant king would insist on what her priests ( and only hers ) proclaim: " The RIGHT DIVINE of Kings to govern wrong " ( 188 ), for Cambridge and Oxford still uphold the doctrine.