Meta-Crisis Doctor

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Meta-Crisis Doctor Appearances Talk

The Meta-Crisis Doctor — who later went either by the name Corin, (PROSE: The Turning of the Tide) John Smith, (COMIC: Empire of the Wolf) or simply the Doctor (AUDIO: The Siege of Big Ben, Flight Into Hull) — was a human-Time Lord hybrid of the Tenth Doctor and Donna Noble who was created by an instantaneous biological metacrisis and was the final result of the Tenth Doctor's aborted regeneration. Unlike the original Doctor, this one possessed only one heart, aged as humans would, and had no regenerative ability.

However, he was born in a separate body than the original Doctor, existing as a separate person with DNA sampled from Donna. After destroying the Daleks, he was "banished" to Pete's World to live out his life with Rose Tyler.


A day to come[[edit]]

Shortly before his regeneration, the First Doctor was told of "a few false starts" before he became the Twelfth Doctor. (TV: Twice Upon a Time [+]Loading...["Twice Upon a Time (TV story)"])


On Christmas 2006, the newly regenerated Tenth Doctor lost his hand in a sword fight against the Sycorax leader. (TV: The Christmas Invasion [+]Loading...["The Christmas Invasion (TV story)"]) Jack Harkness later retrieved the hand and returned it to the Doctor in a jar in the year 100 trillion. (TV: Utopia [+]Loading...["Utopia (TV story)"]) The Doctor's hand remained in the TARDIS until the Doctor was grazed by the blast from a Dalek gunstick, triggering the Time Lord's eleventh regeneration. (TV: The Stolen Earth [+]Loading...["The Stolen Earth (TV story)"]) After healing the damage to his body with the regeneration energy, the Doctor channelled the excess energy into his hand, a bio-matching receptacle, allowing him to heal but keep his appearance and personality. (TV: Journey's End [+]Loading...["Journey's End (TV story)"]) However, the Doctor used up the same amount of regenerative energy as a full regeneration. This, as the Eleventh Doctor later told Clara Oswald, meant that his previous incarnation used up two regenerations due to "vanity issues." (TV: The Time of the Doctor [+]Loading...["The Time of the Doctor (TV story)"])

Shortly after this aborted regeneration, the Daleks attempted to destroy the Doctor's TARDIS. Still inside the TARDIS during this apparent destruction, Donna Noble touched the energised hand's container. The regenerative energies present within the hand combined with Donna's human DNA, causing an instantaneous biological metacrisis. The force of the reaction shattered the container, allowing the energy to regenerate the entire missing body of the Doctor. In this process, the "metacrisis Tenth Doctor" was created. He immediately dematerialised the TARDIS, saving it and Donna.

After putting on a blue suit, the Doctor and Donna left the TARDIS and tried to attack Davros and the Daleks with his new weapon. Both were given an electric shock by Davros. After the now-part-Time Lord Donna defeated the Daleks, she, the metacrisis Doctor and the original Doctor teamed up to return all but one of the planets to their rightful places. The metacrisis Doctor was then prompted by Dalek Caan to fulfil a prophecy by destroying the Daleks. He chose to do so and ignored pleas from both Davros and Donna. He proceeded to overload the Dalekanium power feeds, causing virtually the entire New Dalek Empire to explode, from individual Daleks to the Crucible itself. (TV: Journey's End [+]Loading...["Journey's End (TV story)"])

Exile in Pete's world[[edit]]

Rose Tyler and the half-human Tenth Doctor (TV: Journey's End [+]Loading...["Journey's End (TV story)"])

Feeling his new, part-human counterpart was too dangerous to be left to his own devices, the Doctor entrusted him to Rose Tyler, taking the two of them back to Bad Wolf Bay in Pete's World. The Doctor told Rose that his part-human self-needed her, that he was angry and vengeful as he himself had been when he first met Rose. He told her she had made him better, and now she had to do the same for his other, part-human self. Rose objected to this at first, insisting that the new Doctor was not really him, despite the Doctor's assurance that they were the same man and the part-human Doctor offering to spend the rest of his life with her. Rose asked both Doctors what the last thing they had said to her was when they were originally standing on Bad Wolf Bay. The Doctor was unable to give her a direct answer: "Does it need saying?" She posed the same question to the part-human Doctor, who whispered it in her ear.

Seemingly overcome with the revelation of his answer, Rose grabbed the lapels of the part-human Doctor and pulled him into a kiss, which he reciprocated. The Doctor looked on sadly yet stoically for a moment before returning with Donna to the TARDIS and leaving the parallel world. As the doors of the TARDIS slammed shut, Rose and the part-human Doctor broke from their kiss. The part-human Doctor took Rose's hand and watched the TARDIS dematerialise. (TV: Journey's End [+]Loading...["Journey's End (TV story)"])

Settling down with Rose[[edit]]

This section's awfully stubby.

Needs more info from The Turning of the Tide.

Rose and Corin (PROSE: The Turning of the Tide)

While he would continue to be addressed as "the Doctor" by others, (AUDIO: The Siege of Big Ben, Flight Into Hull!) some accounts said that the Doctor decided that he would personally go by a different name, by which Rose would also refer to him. By one account, he chose the name "Corin", a name that Rose considered to be "solid and true". (PROSE: The Turning of the Tide) Another account posited that he chose his old alias of "John Smith". (COMIC: Empire of the Wolf) Both accounts agreed they eventually had a child, (PROSE: The Turning of the Tide, COMIC: Empire of the Wolf) a girl they named Mia. (COMIC: Empire of the Wolf)

Working with UNIT[[edit]]

The Doctor, Jackie Tyler, Peter Tyler, and Rose later joined the newly established UNIT, created when the Preachers were combined with Torchwood by President Harriet Jones. The Doctor was given a lab at the top of UNIT's base at Big Ben, where he attempted to build a TARDIS. At one point Brigadier Krista Lateef attempted to force him to use his time machine to change her personal history, but the Doctor and Jackie were able to affirm that the machine wasn't ready yet, even if the rules of time travel didn't forbid such an act. The Doctor subsequently reported Krista's actions, much to Jackie's anger as she'd agreed to forgive Krista for the deception. (AUDIO: The Siege of Big Ben)

In an attempt to get the Doctor and Jackie to talk to each other after their disagreement, Rose and Pete tricked the Doctor into getting on a zeppelin with Jackie headed for Hull. During the flight, an alternate Jackie from a different universe appeared and threatened to shoot Jackie and take her place in Pete's World. The Doctor shot the zeppelin's flight controls, forcing the alternate Jackie to go back to her own universe to save her own life. The Doctor and Jackie then leapt from the zeppelin and into the water moments before the zeppelin crashed into the Humber Bridge. (AUDIO: Flight Into Hull!)

During Mia's teenage years, Rose began experiencing visions of another life before one day vanishing. After nearly three hours of the Doctor trying to figure out what had happened, Rose suddenly returned and began telling her husband about the adventure she'd just had. (COMIC: Empire of the Wolf)


As a result of growing partially from Donna's DNA, the Meta-Crisis Doctor inherited some of Donna's mannerisms. He claimed he had the same memories, thoughts and feelings of the original Doctor up to the point of his aborted regeneration, making them essentially the same man with physiological differences. However, the original Doctor was quick to point out that his new double was "born in battle, full of blood, anger and revenge". In this way, the Tenth Doctor described his duplicate as representing the way he had been during his former incarnation before meeting Rose. This motivated the Meta-Crisis Doctor to commit attempted genocide against the Daleks, an act the original Doctor condemned after the events of the Last Great Time War. Regardless of their differences, he still firmly declared he was the Doctor, seeing he had a right to the title even if Donna Noble wasn't so certain. (TV: Journey's End [+]Loading...["Journey's End (TV story)"])

Much like the incarnation he was born from, the Doctor seemed to have a fondness for a certain word, as he used the uncommon adjective "Wizard" to describe something abnormal multiple times. (TV: Journey's End [+]Loading...["Journey's End (TV story)"], AUDIO: The Siege of Big Ben)

Jackie Tyler thought that he was "a lot less rational" than the original Doctor as he often rushed into things without thinking it through. She also felt that he was less willing to forgive than the original Doctor; when Krista Lateef attempted to force him to use a time machine to save her daughter, the Doctor allowed her to get arrested after she was talked down where Jackie felt that the true Doctor would have let her off as having just made a mistake. (AUDIO: The Siege of Big Ben)

He often got headaches, as sometimes all he could think about was fire and war. When his zeppelin was crashing, the Doctor cried, telling Jackie Tyler that he loved Rose unconditionally. (AUDIO: Flight Into Hull!)

Though the Doctor had all the knowledge of his progenitor, he found it difficult to properly express Time Lord knowledge via a human brain. (COMIC: Empire of the Wolf)

Behind the scenes[[edit]]

  • In the Doctor Who Confidential episode End of an Era, executive producer Julie Gardner confirmed that the intention was that the new Doctor did indeed say "I love you" when he whispered in Rose's ear.
  • On screen, this character was only ever referred to as the Doctor. To avoid confusion, fans used varying terms to address him but only "Meta-Crisis Doctor" received any official recognition from show runners. In the shooting script for the episode, he is simply named as "THE DOCTOR #2". David Tennant in Doctor Who Confidential acknowledged that the name of this particular incarnation of the character was expected to be a topic of much debate as time went on.
    • As recently as 28 March 2018, official social media accounts for Doctor Who have referred to this incarnation by the fandom name "Tentoo".[1]
    • Since 17 April 2014, the video game Legacy uses "Meta-Crisis Tenth Doctor".
    • In the Target Storybook short story Citation Needed, the Encyclopedia Gallifreya, a sentient encyclopaedia aboard the TARDIS who chronicles the Doctor's travels, has an entry about this incarnation's impact on the Doctor's timeline marked "Metacrisis, numerical confusion of", which it references each time it makes a statement about numbered incarnations.
    • Another Target Storybook short story, The Turning of the Tide, also posited that the new Doctor chose, shortly after the events of Journey's End [+]Loading...["Journey's End (TV story)"], to go by the name Corin.
    • Promoting the 60th anniversary celebrations, official Titan merchandise from the "Diamond Collection", sold through Urban Planet, also prominently called him "The Meta-Crisis Doctor" (as seen on a large print t-shirt).
  • A number of fans have speculated whether Corin would eventually become the Valeyard, which was referenced in the comic story The Forgotten, in which Es'Cartrss took the form of a bearded Tenth Doctor claiming to be both Corin and the Valeyard, though the Tenth Doctor himself found the idea unbelievable.
  • The concept that a Doctor would grow from the Doctor's severed hand who would end up with Rose was planned since The Christmas Invasion [+]Loading...["The Christmas Invasion (TV story)"]. Russell T Davies states on the commentary track for Journey's End that he had the idea in mind that just prior to the Tenth Doctor's regeneration, a scene would depict him growing a clone of himself from his severed hand, and sending him off to live his life with Rose. The concept was ultimately brought forward, and was developed into its own entire story arc, due to the "timing being perfect".
  • For years it was unknown if the aborted regeneration that resulted in the Meta-Crisis Doctor's existence had actually used up one of the Doctor's regenerations, considering the Tenth Doctor's appearance hadn't changed following him syphoning the regeneration energy that would have changed his appearance into the spare hand that would create the Meta-Crisis Doctor, while using the healing portion of the regeneration to fix the damage done by the Dalek blast. It wasn't until The Time of the Doctor [+]Loading...["The Time of the Doctor (TV story)"] five years later that the Eleventh Doctor revealed that the aborted regeneration that created the Meta-Crisis Doctor did use up a regeneration. Therefore, the creation of the Meta-Crisis Doctor had used up the Doctor's penultimate regeneration in his first regeneration cycle.

A "Pete's World" TARDIS[[edit]]

In the original script, the Doctor was meant to give TARDIS coral to the Meta-Crisis Doctor, on the assumption that a whole new TARDIS could be grown from it, but this was cut. Nevertheless, the idea has popped up in several places:

  • "The Doctor's Data" section of a Doctor Who Adventures magazine.[which?]
  • The Fact File for the episode on the official Doctor Who website, which stated that it was in the original script but later removed.
  • Inside the magazine[which?], there is an excerpt of the script with a statement that this part of the scene made it all the way to the final cut, but that the producers decided that it just complicated the tone of the scene too much. However, the scene was filmed, and it was included in the series 4 DVD box set, as a bonus feature. The magazine quoted Russell T Davies' opinion that the Meta-Crisis Tenth Doctor and Rose Tyler do indeed have a piece of TARDIS coral, which they can use to grow their own TARDIS.
  • In Russell T Davies' book The Writer's Tale, the full original draft of the Bad Wolf Bay script has the Doctor stating that it takes "thousands of years" to grow a TARDIS. However, Donna uses her newfound Time Lord knowledge enhanced by human intuition to overcome this problem by suggesting: "...if you shatterfry the plasmic shell and modify the dimensional stabiliser to a foldback harmonic of 36.3, you accelerate growth by the power of 59!". (This dialogue made it into the deleted scene on the series 4 DVD, as mentioned above.)
  • In AUDIO: The Siege of Big Ben, the Doctor is growing a TARDIS in his UNIT lab.
  • By contrast, COMIC: Empire of the Wolf has the Doctor explicitly mention that he and Rose do not have access to a TARDIS, though given the original deleted scene stated it would take time, it is possible he meant they simply lacked a TARDIS at that moment.

External links[[edit]]