Tenth Doctor

The Tenth Doctor was the tenth incarnation of the renegade Time Lord known as the Doctor. Unlike his immediate predecessor, who was plagued by melancholy due to his actions during the Last Great Time War, this incarnation was much more outgoing and genial, a demeanour that hid the "survivor's guilt" that had plagued him since the war. Over his life, however, the weight became much more pronounced. He was haunted by companions lost, enemies believed long-dead and events that threatened the fabric of time itself. He met his end after he absorbed a huge quantity of nuclear radiation whilst saving the life of his friend, Wilfred Mott, leading to his regeneration into his next incarnation.

Post-Regeneration
The Ninth Doctor absorbed the Time Vortex from inside his companion Rose Tyler and put it back into the Heart of the TARDIS. After this, the forces began to destroy every cell in his body. He regenerated for the ninth time to save his life. (DW: The Parting of the Ways)

The Doctor had dematerialised the TARDIS from Satellite 5, intending to fulfil his promise to take Rose to the planet Barcelona in the year 5006. With Rose suffering an emotional crisis over his sudden change, however, the Doctor instead headed back to the Powell Estate in London on Christmas Eve 2006 after convincing her of his identity by reminding her of the first thing he said to her: "Run". Before he could complete the landing, he began to suffer adverse effects from the violence of his physical change and experienced manic hyperactivity. He accelerated the TARDIS and it crash-landed. (DW: Children in Need Special)

He staggered out, dazedly wished Jackie and Mickey a merry Christmas and fell into a coma. He snapped out of it briefly to save Mickey and the Tylers from a killer Christmas tree, but the stress of waking up too soon made matters worse, and he collapsed again. When the TARDIS was taken aboard a Sycorax spaceship on Christmas morning, the Doctor awoke with the help of some tea. He stopped the Sycorax leader's blood control of one third of humanity. The Doctor challenged the leader over the fate of Earth. In a sword fight, the Sycorax leader chopped off the Doctor's hand, but because he was still in the first fifteen hours of his regeneration cycle, the Doctor grew a new hand and killed him.

When the Sycorax fled, Prime Minister Harriet Jones ordered Torchwood to destroy the ship. The angry Doctor spoke some words into her aide's ear to bring about Jones' premature downfall. (DW: The Christmas Invasion)

New adventures with Rose
The Doctor and Rose embarked on more adventures together through time and space. They went to New Earth and were summoned to the New New York Hospital by the Face of Boe. While there, he stopped the Sisters of Plenitude, who were creating humans and infecting them with every disease. Rose was possessed by Cassandra, who was trying to extend her life, but the Doctor eventually convinced Cassandra to "end it". (DW: New Earth)

They took a trip to 1879 Scotland, where the Doctor protected Queen Victoria from further assassination attempts. The Brethren took over Torchwood House, and intended to use the bite of the wolf to put the Lupine Wavelength Haemovariform on the British throne. Inside Torchwood House, the Doctor used Prince Albert's Koh-i-Noor diamond with the Light chamber designed by Sir George MacLeish, the house's former owner, to destroy the werewolf Host, before its bite was passed on.

As a reward, the Doctor was knighted "Sir Doctor of TARDIS" and Rose was knighted "Dame Rose of the Powell Estate". They were also banished from the British Empire, since their blasé attitude to danger unnerved the Queen. The Doctor also inadvertently inspired Queen Victoria to found the Torchwood Institute, dedicated to defending Britain from the alien threat, particularly him. (DW: Tooth and Claw)

In 2007, Mickey brought the Doctor and Rose to Deffry Vale High School, which had had suspiciously high exam results and UFO sightings. The Doctor went undercover as physics teacher John Smith. The Doctor reunited with Sarah Jane Smith and K9 Mark III while the two investigated the school. He learnt that the oil used to boost the children's intelligence was Krillitane oil, and the Krillitanes were using the children's minds to construct the Skasis Paradigm, a computation that could rebuild the fabric of the universe. When the Doctor refused this temptation, K9 sacrificed his life to blow up the Krillitanes with their toxic oil.

On Sarah Jane's suggestion, the Doctor allowed Mickey to accompany him and Rose on their travels. Sarah Jane, who refused to continue travelling with the Doctor, had a new K9 model built by him. (DW: School Reunion)

The Doctor, Rose and Mickey travelled to the SS Madame de Pompadour in the 51st century, where they found the crew's organs were taken as "parts" by the repair droids after the ship was damaged. The droids created time windows to find the ship's namesake Reinette when she was what they considered "complete" as the final "part". While investigating this, the Doctor travelled throughout Reinette's life inside these time windows fighting the droids throughout 18th century France.

When the droids found the "complete" Madame de Pompadour, the Doctor broke through the time window to the court of Versailles in 1758, shattering the connection to the ship and stranding the droids. Without purpose, the droids shut down.

Reinette had taken a fireplace, which due to being disconnected, retained its link to the SS Madame de Pompadour. The Doctor tried travelling back through the fireplace for Reinette to see the stars, but the loose connection to the time window meant she had already died when he returned six years later from her perspective. (DW: The Girl in the Fireplace)

On a parallel Earth, the Doctor, Rose and Mickey witnessed the birth of the Cybermen of that world. The adventure ended with Mickey deciding to stay in the parallel universe, leaving Rose and the Doctor to continue their travels together. (DW: Rise of the Cybermen/The Age of Steel)

The Doctor and Rose planned to see an Elvis concert, donning outfits of the 1950s and riding a scooter out of the TARDIS. However, they accidentally ended up in England, 2 June, 1953, where the Wire was planning to steal the essences and faces of everyone watching the coronation 0f Queen Elizabeth II on television. Rose fell victim to the Wire, but during the coronation the Doctor defeated the Wire, restoring the faces of its victims. (DW: The Idiot's Lantern)

The Doctor and Rose travelled to the planet of Krop Tor, an impossible planet that orbited the black hole K37 Gem 5, inhabited by Sanctuary Base 6. The humans of Sanctuary Base 6 had journeyed to Krop Tor to discover the source of power emanating from the planet's core, which was allowing the planet to orbit the black hole without falling in. In the base, the Beast had been terrorising the explorers on the surface and possessing their servants, the Ood. The Doctor and a crew member of Sanctuary Base 6 named Ida Scott, descended into the core of the planet to explore and discovered a pit which had started opening. (DW: The Impossible Planet)

The Doctor descended into the pit alone. On the bottom, he found himself face-to-face with the Beast's mindless body. The Doctor trapped the Beast by imprisoning its body and the rest in the black hole, while Rose had its mind, which had possessed the base's archaeologist Toby Zed, ejected from the Sanctuary Base 6 rocket at around the same time. The Doctor TARDIS by accident, allowing him to rescue Rose and the surviving humans of the base from the black hole. (DW: The Satan Pit)

When Elton Pope upset Rose's mother, the Doctor and Rose confronted him and helped him defeat the Abzorbaloff. (DW: Love & Monsters)

He and Rose travelled to 2012 to see the London Olympics. He met a girl named Chloe Webber who had been possessed by a lone Isolus. Chloe was trapping other children from her street in drawings to stop the Isolus from feeling lonely. After briefly being trapped in a drawing himself, along with the TARDIS, the Doctor ran with the Olympic torch to the stadium, lit the Olympic flame, and then reunited with Rose. (DW: Fear Her)

When the Doctor and Rose returned to 2007 London, they found that the entire planet was being visited by beings believed to be ghosts. The Doctor tracked the signal to Torchwood Tower and was subsequently taken prisoner by the Torchwood Institute. He strongly opposed their use of "ghost shifts" for a power source, as it was ripping a hole between parallel worlds which increased in size with every iteration. The original tear was caused by "the Sphere", an object the Doctor identified as a Void Ship. Later, three computer technicians who were secretly under the control of Cybermen restarted the ghost shift. This led to the ghosts, who were actually Cybermen, coming through from the parallel world where the Doctor and Rose had left Mickey. As the Cyberman invasion of Earth began, the Void Ship opened, revealing the Cult of Skaro, a group of Daleks with a Genesis Ark. (DW: Army of Ghosts) The Genesis Ark was Time Lord technology, a prison ship containing millions of Daleks captured by the Time Lords.

In order to save both dimensions from annihilation and defeat the Daleks and Cybermen, the Doctor decided to open the Void. This opening would suck anything covered in "Void stuff" into it. Realising that himself, Rose and the others were also covered in Void stuff, the Doctor sent Rose, against her will, to the parallel world, along with Mickey, Pete Tyler and her mother, where they all would be safe from the Void. However, Rose returned, refusing to leave the Doctor and knowing that in making her choice she would never see her family again. Together, they opened the Void, and the Daleks and Cybermen were sucked in. The plan initially went smoothly, until Rose's lever malfunctioned, threatening to halt the process. Rose managed to secure the lever, but couldn't hold on and was almost sucked into the Void. However, Rose was saved at the last second by her parallel father and taken back across to the parallel universe, separating her from the Doctor. The Doctor and Rose were able to meet one last time on Dårlig Ulv Stranden in Norway. The Doctor had parked the TARDIS in orbit around a supernova for enough power to project an image through the last gap between the universes to say goodbye. Rose was able to confirm her love for the Doctor to him, but the Doctor was cut off before he could tell her he loved her too. (DW: Doomsday)

A Noble encounter
Whilst he was grieving over Rose, a bride named Donna Noble was pulled inside the TARDIS during her wedding ceremony to Lance Bennett. While taking Donna back to the ceremony on Christmas Eve, 2007, the Doctor discovered the involvement of the Empress of the Racnoss. He found her attempting to use Huon particles embedded in Donna and Lance to revive the Empress' Racnoss offspring, who lay in stasis at the core of the Earth. The Doctor flooded the chamber with all of the River Thames, but was unable to save Lance. The British military finished off the Empress' Webstar.

Largely because of the Doctor's merciless treatment of them, Donna decided not to travel with him and left after advising the Doctor to "find someone". (DW: The Runaway Bride)

An old and best friend
Some time after meeting Donna, the Doctor, travelling alone, landed on the Slough of the Disjointed Planets, an area of space populated by warlike races renowned for their brutal conflicts. There he encountered the dying War Keeper, the ancient controller of the population of the Disjointed Planets. To find a worthy successor, the War Keeper scanned the Doctor's mind for the identity and location of the greatest leader of the cosmos, and chose Brigadier Lethbridge-Stewart. The old soldier, now retired and in his late seventies, found himself transported to the Slough to receive the position, but refused to accept the role.

As an alternative, the War Keeper chose Mike Yates, but accidentally summoned another, far less capable man with the same name. Rivals of the dying War Keeper infiltrated his helpers before his death and passed onto the other Mike Yates the Keeper's control device, the Warkeeper's Crown. With the weak-minded, wrong Yates under control of the Crown, and with the wrong Yates in turn in control of the numerous forces of the Disjointed Planets, the deceased War Keeper's rivals planned to control the conflicts. The controlled Yates transported himself back to his home on Earth, along with many Orcs, Hawks, and other creatures. The Doctor and the Brigadier, with an army of Brigadier-clones the Doctor created with technology at the Slough, returned to the Earth to defeat the demon hordes and free Yates from the Crown's control. During this time, the Mike Yates whom the Doctor and the Brigadier knew of old witnessed the conflict. With the danger passed, the Doctor and the Brigadier, still and ever the best of friends, re-lived their old glories, and said their good-byes, although the Brigadier expected to see his old friend once more. (DWM: The Warkeeper's Crown)

Smith and Jones
While investigating a set of plasma coils, the Doctor checked himself into Royal Hope Hospital in 2008, where he met Martha Jones. The hospital was H2O scooped onto the Moon by the Judoon. The Doctor tricked the Plasmavore Florence Finnegan into absorbing his blood, and the Judoon, identifying Finnegan as an alien murderer, executed her. When Martha revived the blood-starved Doctor, he unplugged Finnegan's overloading MRI machine, which was set to kill half of the Earth, and the hospital returned to London. The same day, Martha accepted an invitation to travel in the TARDIS. (DW: Smith and Jones)

They arrived in London in 1599 to meet William Shakespeare. Shakespeare had been manipulated by the Carrionites to use the power of words of Love's Labour's Won to bring an army of them out of the Deep Darkness at the premiere of his play in the Globe Theatre. At the climax, he was aided by the Doctor and Martha to use his own words to banish them, along with the scripts to Love's Labour's Won back to the Darkness.

After the performance, Queen Elizabeth I arrived at the Globe Theatre and ordered her men to kill her sworn enemy, even though the Doctor hadn't met her yet. (DW: The Shakespeare Code)

Despite initially demanding that Martha would only go on one trip, the Doctor stretched the definition to further trips before returning her home. (DW: Gridlock, Daleks in Manhattan, The Lazarus Experiment)

In 5,000,000,053, the Doctor searched for Martha, who was taken to the New New York Motorway's fast lane. Novice Hame took the Doctor to what was left of the Senate to help the Face of Boe open up the Motorway, freeing Martha from the Macra. After the Face of Boe sacrificed his own life, he uttered his final words to the Doctor and Martha, "You are not alone". The Doctor talked to Martha about the Last Great Time War and how he thought the Face of Boe was wrong. (DW: Gridlock)

In 1930 New York City, the Doctor and Martha investigated kidnappings from Hooverville, where humans were taken to the sewers, where they were either turned into pig slaves or taken to the Cult of Skaro's Final Experiment. In the sewers, the Doctor discovered the Experiment, which began with Dalek Sec becoming a human-Dalek hybrid. (DW: Daleks in Manhattan)

Dalek Sec was deposed by the rest of the Cult for his attempt to work with the Doctor to give the kidnapped humans human survival instinct instead of making them full Daleks. The Doctor climbed to the top of the Empire State Building and got in the way of the solar flare that powered the Experiment. He added Time Lord morality to the hybrids. Due to this morality, the Daleks fought the hybrids; Daleks Sec, Jast and Thay and the hybrids all died, and Dalek Caan underwent another emergency temporal shift. (DW: Evolution of the Daleks)

Soon after, Martha and the Doctor put an end to the work of mad Professor Richard Lazarus, (DW: The Lazarus Experiment) and following that helped save a spaceship from plummeting into a sun. (DW: 42)

Later, the Doctor hid from the Family of Blood, aliens who wanted his Time Lord body. He used a Chameleon Arch to transform himself mentally and physically into a human school teacher named John Smith, completely hiding his Time Lord self so that his alter ego had no recollection of the Doctor. John Smith fell in love, much to the disappointment of Martha, with the matron of the school, Joan Redfern. (DW: Human Nature) However, the Doctor was forced to retake his Time Lord body to save the Earth from destruction, and sought suitable punishment for the Family of Blood. (DW: The Family of Blood)

The Doctor and Martha travelled to 2007 to investigate strange disappearances at an old abandoned house. They were transported back in time to 1969 by aliens in the form of stone angels who fed off their potential energy. Using information given to him by Sally Sparrow prior to the incident, he left messages for Sally in the future to bring the TARDIS back to 1969. (DW: Blink) In Cardiff, the Doctor "refuelled" the TARDIS using the Cardiff Space-Time Rift. Captain Jack Harkness jumped onto and clung to the exterior of the TARDIS, hitching a ride to the planet Malcassairo in the extremely far distant future. On Malcassairo, the Doctor found Professor Yana, who was actually his most fearsome nemesis, the Master. The Master had been made human by another Chameleon Arch, but when Martha questioned his old fob watch, he opened it and became the Master again. After being shot by Professor Yana's assistant, Chantho, and facing imminent regeneration, the Master locked himself inside the Doctor's TARDIS and despite the pleas of his fellow Time Lord, hijacked the ship and escaped, leaving the Doctor, Jack and Martha to die at the hands of the Futurekind. (DW: Utopia) They were able to escape to 2008 when the Doctor used his sonic screwdriver to repair Jack's broken vortex manipulator. Under the human name of Harold Saxon, the Master became Prime Minister of Great Britain and invited an army of Toclafane to invade the world. (DW: The Sound of Drums)

He imprisoned the Doctor for a year, during which time he used his laser screwdriver to artificially age the Doctor nine hundred years, turning him into a small creature. The Master was later defeated by manipulation of his Archangel Network to the Doctor's own advantage. The Doctor displayed great powers during this period, using the psychic energy of the Earth's people, who had been told by Martha to think of the Doctor at a specific moment. He restored his young appearance and used the psychic energy to grant himself almost god-like abilities. After disarming the Master, he forgave him. The Master threatened to self-destruct his war fleet and take the Earth with him, but the Doctor knew that doing so would require the Master to sacrifice himself, which he couldn't do. The Master reluctantly surrendered and the Doctor reversed time, trapping the Toclafane at the end of the Universe and reversing the Master's control over Earth. Subsequently, the Doctor decided to rehabilitate the Master, planning to keep him a prisoner aboard the TARDIS. The Master was shot by his human wife, Lucy Saxon, who sought revenge for his cruel treatment of her. At the thought of becoming the Doctor's captive, the Master refused to regenerate and died for, supposedly, the final time in the arms of the Doctor, thus leaving the Doctor truly the last Time Lord in existence.

Following the events of the Year That Never Was, Martha left the Doctor, believing that she needed to live her own life and be with her family. Her family had been tortured at the hands of the Master and Martha felt partly responsible for their suffering. Almost from their first encounter, Martha had fallen in love with the Doctor. However, she knew that her love was unrequited and that he only saw Rose when he looked at her. Martha explained this to the Doctor and they parted amicably. (DW: Last of the Time Lords)

When incarnations meet
Shortly after Martha left, the Doctor accidentally crashed his TARDIS with that of his fifth incarnation. He was able to use his memory of the event from when he was in his fifth incarnation to separate the TARDISes. However, before the tenth Doctor could turn the TARDIS' shields back on, the spaceship Titanic crashed in through the walls. (DW: Time Crash)

A Titanic adventure
After fixing the damage to his TARDIS, the Doctor transported it inside the ship, where he decided to join the party. He quickly made a new friend, Astrid Peth, on board the Titanic. When the ship's owner, Max Capricorn, had a meteor shower purposely crash into the Titanic, the Doctor attempted to save the passengers. He could only save Astrid by transforming her into a being of light, but managed to save three other people. The Doctor stopped the Titanic from crashing into Earth. Additionally, he refused to allow the ship's tour guide Mr Copper to travel with him, though Mr Copper had accidentally had more than enough credit to get by for the first time in his life. Following the incident, the Doctor set out on his own once again. (DW: Voyage of the Damned)

A Noble reunion
While investigating Adipose Industries, the Doctor was reunited with Donna Noble, who finally accepted his invitation to travel with him. With the help of Donna, he used two Adipose Pill Necklaces to prevent a million Londoners from being killed and their organs and skeletons converted into Adipose. The Doctor tried to save the life of Matron Cofelia, the foster mother to the few thousand Adipose that made it through before the birthing stopped, but the Adipose First Family's ship dropped her as it took aboard the incomplete harvest of Adipose.

The Doctor and Donna were both quick to rule out the possibility of a romantic involvement, making their companionship dynamically different from those of Rose and Martha. (DW: Partners in Crime)

The Doctor and Donna travelled to 79, where they were forced to cause the eruption of Mount Vesuvius and the destruction of Pompeii to avert world domination and conversion of all of humanity by the Pyroviles. The Doctor saved a family from being killed in the eruption per Donna's request. (DW: The Fires of Pompeii)

In 4126, the Doctor learned that the Ood of the Second Great and Bountiful Human Empire were actually slaves instead of servants and helped free them by opening the field blocking the Ood Brain, the "third element" of Oodkind's minds. After this, Ood Sigma foretold that his song would end soon. (DW: Planet of the Ood)

Reunion with Martha
Martha phoned to the Doctor to call him back to UNIT in 2009, to investigate 52 simultaneous ATMOS-related deaths across the Earth. He discovered the Sontarans were working with Luke Rattigan to create ATMOS. (DW: The Sontaran Stratagem) The sezerfine gas started being emitted from ATMOS-equipped cars across the Earth to be used to breed more Sontarans for the war against the Rutans. The Doctor built an Atmospheric Converter to ignite the atmosphere, destroying the gas. The Sontarans' next plan was to simply conquer Earth. Rattigan, having been betrayed by the Sontarans, sacrificed his life, swapping places with the Doctor at the last minute to destroy the flagship with the converter. (DW: The Poison Sky)

Directly following this, the TARDIS transported the Doctor, Donna and Martha to the planet Messaline in the year 6012, where his DNA was stolen and replicated to produce Jenny, his biological daughter, which due to a paradox was what brought her to Messaline to begin with. Initially critical of the girl due to her predilection for violence, the Doctor came to love her. The Doctor activated the Source, a terraforming device that had become a subject of mythology. Messaline became inhabitable and the war between humans and Hath on the planet ended. The Doctor mourned Jenny's "death" at the hands of General Cobb. He overcame his desire for revenge, however, in order to help found a new society on the planet. Martha returned to her fiancé Tom Milligan, as she had been taken there by mistake. (DW: The Doctor's Daughter)

Solved and unsolved mysteries
The Doctor was part of a murder mystery in Eddison Manor in 1926. He learnt that Arnold Golightly, who had recently discovered his Vespiform upbringing, was turned into a murderer when the Firestone telepathically connected Agatha Christie to Golightly. When Donna threw the Firestone into a lake, the connection caused temporary amnesia in Christie, and the Doctor dropped her off in the Harrogate Hotel. (DW: The Unicorn and the Wasp)

Professor River Song called the Doctor to the Library in the 51st century. River claimed to know the Doctor from his future, and owned a newer sonic screwdriver. The Library was under attack by Vashta Nerada. (DW: Silence in the Library) While attempting to teleport Donna safely to the TARDIS, she ended up "saved" inside the Library's core. River knew the Doctor's real name, gaining his trust. She sacrificed herself to boost the Library's memory, returning the 4000 people who were saved in the Library's core a century earlier as well as Donna. The Doctor, inspired by her faith in him, saved River Song by preserving her data ghost that his future self placed in the sonic screwdriver in the core's virtual reality. (DW: Forest of the Dead)

Failed holidays
The Doctor and Donna later visited the leisure planet Midnight. Donna stayed at the leisure palace whilst the Doctor took a four-hour ride on the Crusader 50 bus to the Sapphire Waterfall. The bus was attacked by an unknown entity which possessed one of the passengers, Sky Silvestry and eventually appeared to pass into the Doctor, inciting mass hysteria among the other passengers. Before the creature could trick the passengers into throwing out the Doctor, Sky was dragged out into the Xtonic sunlight by the bus' hostess, who realised that Sky was stealing the Doctor's voice, and the creature departed, its plans defeated. (DW: Midnight)

The Doctor and Donna visited the Chinese-influenced planet of Shan Shen. While Donna had her fortune told, a member of the Trickster's Brigade created an alternate universe around her, one in which Donna never met the Doctor. In this alternate universe she met Rose Tyler, who told her two words to tell the Doctor. After Donna corrected the universe, she was able to tell the Doctor: "Bad Wolf"; it meant the end of the universe. (DW: Turn Left)

Reunions and farewells
The Doctor rushed back to Earth. He found that everything was normal, but when they re-entered the TARDIS, the planet was gone. Finding no clue as to its location he went to the Shadow Proclamation and learned twenty-seven planets had been stolen. With the cooperation of Harriet Jones, Jack Harkness, Sarah Jane Smith, Luke Smith, Martha Jones, Mr Smith and Rose Tyler, his Children of Time, he was contacted. He locked onto the location of the Earth by following the trail of the Tandocca Scale left by the missing Earth as well as the Children of Time's signal. After talking with his friends and Davros, who had been saved by Dalek Caan from the Last Great Time War, he landed on Earth. While talking to Donna, she pointed out Rose was behind him. The two began to run towards each other. A Dalek emerged from the shadows and fired at him before being destroyed by a teleporting Jack Harkness. It was only a glancing blow, but was enough to mortally wound him. The Doctor was taken back into the TARDIS, where he began to regenerate. (DW: The Stolen Earth)

Using his nearby severed hand, the Doctor used the regeneration to heal himself, but not to regenerate into a new form. The TARDIS was taken on board the Dalek Crucible where the Doctor, Rose and Jack were captured. Donna was locked inside the TARDIS, which was sent to be destroyed. As a result of this, a new Doctor was born from his severed hand when Donna touched it. The meta-crisis made Donna part-Time Lord, becoming the DoctorDonna of the Ood prophecy. DoctorDonna disabled the planet powered Reality bomb to stop Davros from destroying the entire universe and then the three Doctors sent the planets back to their original time and space. The Doctor was horrified by the actions of the new Doctor, who had wiped out the last remaining members of the Dalek race knowing they had the numbers to take the universe by force, and knew he was too dangerous to keep unsupervised.

As the Doctor's companions fled to safety in the TARDIS, the Doctor offered to save Davros and Caan. Davros refused, hatefully denouncing the Doctor as "The Destroyer of Worlds", while Caan predicted that one of the Doctor's companions would perish. The Children of Time used the TARDIS to tow Earth back to its original point in time and space. The Doctor said his goodbyes to Sarah Jane, Martha, Jack and Mickey before he left the new Doctor in a parallel world, hoping Rose and he would be able to help each other. The new Doctor was able to tell Rose that he loved her and they kissed. Upon returning to his own universe, the Doctor was forced to remove all of Donna's Time Lord abilities and memories of travelling with him, as they would have killed her because her human body couldn't handle it. He returned Donna to her mother and grandfather, and told them they would have to make sure she never remembered him. The Doctor was then left to travel on, alone and saddened. (DW: Journey's End)

Invasion of the mind
Es'Cartrss of the Tactire, an inhabitant of Callufrax Minor, had been stuck on the Crucible and was unable to return home before the Doctors returned the planets. He escaped to the TARDIS where he attempted to take over the Doctor's mind, but his link with the TARDIS forced them both into the Matrix. The Doctor had the stronger mind and took control, killing Es'Cartrss. (IDW: The Forgotten)

Walk of the Cyberking
Some time after leaving Donna, the Doctor travelled to London on Christmas Eve, 1851. Whilst there, the Doctor met a man calling himself "the Doctor" and at first assumed him to be his future incarnation. In reality, he was a human, Jackson Lake, who had the contents of an infostamp about the Doctor imprinted on his brain. Jackson and his companion, Rosita Farisi, aided the Doctor in stopping the plot of the Cybermen and their ally, Mercy Hartigan. London was saved, Lake was reunited with his son, and invited the Doctor to share Christmas dinner with his new family, an offer which was at first declined, then accepted by the Doctor. (DW: The Next Doctor)

Heather and Wolfie
Travelling alone, The Doctor met Heather McCrimmon, a history student at Edinburgh University. After helping him defeat the Mozhtratta, The Doctor invited Heather aboard the TARDIS. (DWA: The Chromosome Connection) On their first adventure together, The Doctor and Heather relocated the Spaeron to Kerun Za, since their planet had been destroyed by the Daleks. (DWA: The Aquarius Condition)

The pair went on to have many adventures together. They defeated the Incasaurs in 1911 Peru, (DWA: Hitching Point) saved a German crew from drowning in World War II (DWA: The Submariners) travelled to 21st century New York and uncovered an alien working within the NYPD (DWA: The Greed of the Gavulav) and defeated the star demon of Kroul at the Ashgar prison. (DWA: The Spirit of Ashgar)

The Doctor and Heather were later joined by 16-year old Wolfie Ryder. (DWA: Flight of the Giurgeax) the trio visited many planets around the Universe, including Lurbos 3, (DWA: Sweet Dreams) the forests of Yellan, (DWA: Copycat) Earth in 1967 (DWA: Shadow of the Vaipid) and the misty land of Salzburg. (DWA: The Curse of Vladula) When Wolfgang is almost killed in a battle to save the world, The Doctor returns him home, fearing that he is putting his life in danger. (DWA: Bad Wolfie)

After many other adventures in time and space, the Doctor's journeys with Heather came to an end when she was infected by the Mozhatta's deadly machine. The Doctor discovered that if Heather travelled in time, she would be ripped apart by time radiation, and he was forced to leave her behind, even though he was deeply heartbroken by this. (DWA: Dead-line)

Final Adventures
Some time after his adventure with Heather, the Doctor travelled to London in 2009 at Easter, investigating strange readings on a bus. While he investigated, the bus hurtled through a wormhole to reappear on San Helios. On the bus, he met Christina de Souza, and cooperated with her to return the bus and its occupants to Earth and stop the Swarm from invading. Before leaving in the TARDIS, the Doctor rejected Christina's offer of companionship, stating that he had lost everyone who travelled with him and he had sworn never again. Carmen, a low level psychic who aided the Doctor, offered a prophecy. She told him "Your song is ending sir, It is returning. It is returning through the dark, oh but then... He will knock four times". Christina was arrested for multiple thefts, but the Doctor used his sonic screwdriver to aid her escape in the bus. When the Doctor was about to be arrested for helping Christina, he entered the "police box" to "arrest himself" and left. (DW: Planet of the Dead)

The Doctor crashed Sarah Jane's wedding. He knew the Trickster, an old enemy of hers, would try and get his revenge on her after she had foiled his previous attempts to cause chaos. As he arrived, Sarah Jane and her fiancé Peter Dalton were taken by the Trickster. He was teleported to a nether realm along with Rani Chandra and Clyde Langer, whom he had heard all about from Sarah Jane, and Luke, who he had met when the Earth was stolen. He fought the Trickster, who hinted about his death, stating that "the gate is waiting". The TARDIS gave Clyde the power to control artron energy by mistake, so he could have defeated the Trickster, while the Doctor informed Sarah Jane what needed to be done. Peter, Sarah Jane's fiancé, sacrificed himself to destroy the Trickster, leaving Sarah Jane alone and heartbroken. When the world was put back to normal, the Doctor visited 13 Bannerman Road and let Sarah Jane and her friends look inside TARDIS, after which he said farewell while sincerely asking Sarah Jane to never forget him. (SJA: The Wedding of Sarah Jane Smith)

The Doctor, deciding to go to the planet Mars met the crew of Bowie Base One, including Adelaide Brooke. He knew the crew of Bowie Base would die, as it was one of the most important events in the expansion of humanity through the universe. He learned that the crew died due to the Flood, which possessed six of them. Initially unwilling to interfere due to his belief that the event was a fixed point in time, Adelaide's death causing her grand daughter to be inspired and explore the stars, he changed course once he remembered the deaths he had lived through and what it had left him with. He saved Adelaide, Mia and Yuri and took them back to Earth 2059. Adelaide was angry at the Doctor's interference and scolded him for thinking himself above obeying history's course. Adelaide then entered her home, apparently having given up trying to defy the Doctor, but committed suicide. The Doctor's memories of the day's events changed to fit in with the new timeline created. Distraught at the impossibility of his task of changing history, he began to ponder his own end when a vision of Ood Sigma appeared before him. It was this that made the Doctor realise that he had gone too far. As he entered the TARDIS, the Cloister Bell rang. With a defiant "No!" he activated the TARDIS. (DW: The Waters of Mars)

The Doctor spent an unknown amount of time avoiding answering the Ood's summons, during which time he married "Queen Bess". (DW: The End of Time)

The Doctor visited America in 1958. While there, he visited a diner, meeting Cassie Rice and Jimmy Stalkingwolf. The Doctor examined a piece of "space junk" from a UFO crash. He accidentally activated it, drawing the attention of the android, Mister Dread. Escaping, the Doctor, Cassie and Jimmy were attacked by a Viperox battle drone, which was promptly blown up by the United States military. The three were taken to Area 51. They encountered Colonel Stark, who dismissed the Doctor's warnings about the Viperox, and attempted to have the Doctor and his companions mind-wiped. The attempt was unsuccessful, and the trio soon escaped, discovering a small grey alien along the way. They fled to the town of Solitude and took shelter in a deserted building. Jimmy was kidnapped by the Viperox, forcing the Doctor and Cassie to follow. They found Jimmy in the presence of a Viperox Queen before escaping into the desert, where they were confronted by four members of the Alliance of Shades who were destroyed by Jimmy's father, Night Eagle. Night Eagle took them to Rivesh Mantilax, the husband of Seruba Velak, the grey alien captive in Area 51. Colonel Stark captured them all and took them back to Area 51. They Doctor ran off with the "space junk", which was actually a weapon capable of destroying the Viperox. He was cornered on the roof by the Colonel, but convinced him to turn against the Viperox. The Viperox invaded America but were beaten back by the Doctor. Before they retreated, the Viperox commander Lord Azlok snarled "Your day will come, Doctor!", reminding the Doctor of his ever-approaching fate. He departed soon after, leaving Cassie and Jimmy with a suggestion to start dating. (DW: Dreamland)

After being shrunk to size of a doll and helping the Ulian Empire's robots find Princess Cilia, the Doctor decided to rendezvous with the Ood. (WC: The Doctor on My Shoulder)

The Time Lords Return
After meeting with the Ood on their home planet, the Doctor learned of the Master's resurrection on Earth, and raced to stop it, only to arrive too late. After discovering the Master living in the wastelands of London, he tried to confront him, only to be reunited with Wilfred Mott. That night, the Doctor tracked down the Master once again, only for the Master to be abducted by Joshua Naismith's private army.

The next morning, the Doctor contacted Wilf, who informed him of Naismith and went with him in the TARDIS to the Naismith Manor. In the Manor's basement, the Doctor used his sonic screwdriver to unveil two Vinvocci, Addams and Rossiter, who informed him of the Immortality Gate's true purpose. The Doctor rushed to stop the Gate's activation, but was unable to, and the Master turned the entire human race into copies of himself.

Wilf and the Doctor were then rescued by the Vinvocci, who took them to their ship, which the Doctor took offline to stop the Master finding them. Realising that the Master had the means to bring back the Time Lords using the White-Point Star he found, the Doctor took the gun he initially refused from Wilf and piloted the Vinvocci ship back towards the Naismith Manor, where he crashed through the manor's glass roof. However, he was unable to stop the Master from using the Star and the signal from the drums to create a link to Gallifrey, which allowed Rassilon and other Time Lords to appear.

Rassilon undid the Master's conversion of the human race, as Gallifrey appeared in the Earth's sky and began tearing open the time vortex. The Doctor, upon seeing a familiar face behind Lord President Rassilon as he stepped out of the Immortality Gate, targeted the White-Point Star, severing the link, causing Gallifrey and the Time Lords to return to their proper time. Rassilon tried to kill the Doctor, but he was saved by the Master, who used his powers to fight Rassilon and sacrificed himself as the Time Lords returned to the Time War.

The Doctor realised he had survived, but then he heard four knocks. Wilf was trapped inside a radiation control booth which was about to be flooded with radiation. Despite his own anger and Wilf's pleas to leave him, he released Wilf and took his place, receiving a fatal level of radiation. The Doctor's regenerative process had started. Unlike previous occasions, however, the actual regeneration did not immediately occur, and the Doctor was able to not only return Wilf to his home, but spend an unknown length of time travelling through time and space revisiting his past companions, an act he referred to as his "reward". The Doctor visited Martha Jones and Mickey Smith, now freelance alien fighters and married, saving them from a Sontaran. He went to 13 Bannerman Road where he prevented Luke Smith from being run over by a car. He travelled to a bar on the planet Zog, where Captain Jack Harkness was drowning his sorrows in a drink. He passed a note to Jack reading, "His name is Alonso". Jack turned to see Midshipman Alonso Frame, and the Doctor departed as the two began flirting. The Doctor entered a bookstore where Verity Newman, a descendant of Joan Redfern, was signing copies of her book, A Journal of Impossible Things, (DW: The End of Time) which was based on the journal the Doctor had written during his time as John Smith. (DW: Human Nature) The Doctor had Verity sign his copy, and she realised he was the same Doctor. The Doctor asked Verity if Joan had been happy in the end which she confirmed, but he refused to answer her question of if he was. He then encountered Geoff Noble at some point before the man's death, and borrowed a pound from him. He then went to the future and used that pound to purchase a winning lottery ticket. He arrived at the wedding of Donna Noble and Shaun Temple, and asked Sylvia Noble and Wilf to give Donna the triple rollover-winning ticket as a wedding gift. (DW: The End of Time) The Doctor also visited Heather McCrimmon, a descendant of the Second Doctor's companion Jamie McCrimmon. (DWA: Lucky Heather) The Doctor visited all of his former companions from all of his previous incarnations, seeing how they got on. (SJA: Death of the Doctor)

Finally, he travelled to the Powell Estate, on 1 January, 2005, where he observed Rose Tyler and her mother, Jackie Tyler, months before Rose first met him. Although he kept to the shadows, a sudden spasm of pain caught Rose's attention and the two exchanged New Year's greetings, with the Doctor telling Rose that she would have a "really great year" with tears in his eyes as he spoke. (DW: The End of Time)

Death
After Rose departed, the pain of regeneration overwhelmed him and the Doctor collapsed in the street. Ood Sigma then appeared and told him that while his song was ending, his story never would, and that the universe would sing him to his sleep. Reaching the TARDIS, he piloted it into orbit around Earth, stated "I don't want to go" and then regenerated for the tenth time. This time the energy released during the regeneration was enough to cause massive damage to the TARDIS. (DW: The End of Time)

Undated/Unchronicled events

 * The Doctor once commented that he, Rose Tyler, and an Arcturan had an interesting experience in a cellar. (NSA: The Day of the Troll)
 * The Tenth Doctor and Rose Tyler visited a rocky, barren planet watching giant creatures, similar to manta rays in appearance, fly past. (DW: Army of Ghosts)
 * The Tenth Doctor tried to save Elton Pope's mother from an Elemental Shade from the Howling Halls, but was unsuccessful. (DW: Love & Monsters)
 * This occurred some point before the main events of DW: Love & Monsters, as the Doctor recognised Elton as an adult.


 * The Doctor rescued Charlemagne from an insane computer. (DW: The Unicorn and the Wasp, WC: The Lonely Computer)
 * The Tenth Doctor travelled with a green-skinned young alien named Majenta Pryce. (DWM: Thinktwice) Technically, however, the Doctor was considered Pryce's assistant, rather than the other way around. He also briefly reunited with on-again, off-again companion Maxwell Edison, who had previously shared adventures with the Doctor's fifth and eighth incarnations. (DWM: The Stockbridge Child)
 * The Doctor saved a 13th century convent from a "demon from the sky" and was named the "sainted physician" by the locals. An image of the TARDIS was later incorporated into a stained glass window commemorating the event. (DW: The End of Time)
 * It is unclear, however, whether this event occurred to the Doctor's tenth incarnation or another.


 * The Tenth Doctor attended the funeral of Alistair Gordon Lethbridge-Stewart. (ST: The Gift)
 * The Tenth Doctor and Rose were in a chase with a Hoix, an event seen by Elton Pope. The Doctor ran into Elton for the second time. (DW: Love & Monsters)
 * The Tenth Doctor was searching for Sontaran grenades in 1895. During his search, he came across his old friend Winston Churchill. (REF: The Brilliant Book 2011)
 * There are several unchronicled periods in the Doctor's history during which some of his activities are unknown:
 * Between Donna Noble's initial invitation to join the TARDIS and his first meeting with Martha is unchronicled. (DW: The Runaway Bride, Smith and Jones)
 * During the interval between his first meeting with Donna Noble and the arrival of Martha Jones, the Doctor briefly travelled with an alien woman named Grayla. (IDW: The Whispering Gallery)
 * An unchronicled adventure with Martha Jones involving "four things and a lizard" and requiring the use of bows and arrows occurred in the modern day, during which the Doctor encountered Sally Sparrow and she handed him a package of information relating to events that had yet to occur to him. (DW: Blink)
 * At some point after his encounter with Sally Sparrow, the Doctor and Martha encountered the Weeping Angels and were transported without the TARDIS to 1969, where they spent an unknown length of time following the information provided by Sparrow. Their activities during this period have not been completely detailed. (DW: Blink)
 * After dropping Mr Copper off on Earth and before his reunion with Donna is unchronicled. (DW: Voyage of the Damned and Partners in Crime)
 * Adventures chronicled following the memory-wipe of Donna do not occur consecutively and thus any length of time may occur between them. (DW: Journey's End)
 * At some point after leaving Donna, the Doctor causes a change in a planet's timeline that results in a friend named Carla disappearing. Per Carla's request, the Doctor spent "years" searching for what became of Carla in the new timeline, eventually locating her. (DWS: The Haldenmor Fugue)
 * At some point after meeting Lady Christina, and after an adventure involving the Shadow Proclamation and an encounter with Mr. Finch and the Krillitanes. The Doctor rescinds his prohibition on not travelling with companions and invites Matthew Finnegan and Emily Winter, two inhabitants of 1920s Hollywood, to travel with him. (IDW: Fugitive, Tesseract) At some point during this period the Doctor was reunited briefly with Martha Jones and UNIT for an adventure. (IDW: Don't Step on the Grass)
 * The Doctor's discussion with Ood Sigma establishes an interval of indeterminate length between the Bowie Base One incident and the events leading to his regeneration, during which many events could have occurred. (DW: The End of Time)
 * The Doctor saves a planet from the Red Carnivorous Maw.
 * The Doctor names a galaxy, "Alison".
 * The Doctor marries Queen Elizabeth I, then becomes her enemy. (DW: The Shakespeare Code)
 * It is not known how long the Doctor spent travelling to visit past companions before succumbing to radiation and regenerating. The Eleventh Doctor later told Jo Grant that he visited all of his previous companions, not just those specific to the Tenth Doctor. (SJA: Death of the Doctor)


 * For a list of Tenth Doctor stories in the order in which he experienced them, see Tenth Doctor - Timeline.

Donna's World

 * In the parallel timeline in which Donna Noble never met the Doctor, this incarnation of the Doctor was the last, as he was killed before he had a chance to regenerate as a result of his defeating the Empress of the Racnoss without being stopped. His former companion, Rose Tyler, along with the alternate timeline version of Donna, eventually restored the original timeline. (DW: Turn Left)

Personality
This incarnation was very cheerful, charismatic and enthusiastic, often at inappropriate times, even when in danger. (DW: Tooth and Claw) While previous incarnations intentionally flouted social conventions, the tenth incarnation was genuinely shocked when he was rude or uncouth. He frequently got into trouble because of his vast sense of superiority. (DW: Midnight) He regularly used his name as a threat, which only rarely worked, despite his apparent expectations. (DW: New Earth) This was mostly because so few species knew of his or the Time Lords' existence.

The tenth incarnation retained and even exceeded his last incarnation's capacity for righteous anger, particularly when Rose was threatened or at risk. (DW: The Idiot's Lantern) When driven by anger or justice, he would act without hesitation to strike down those who opposed him, causing the downfall of Harriet Jones for, as he saw it, mass murder. (DW: The Christmas Invasion) There was an undeniable shadow cast over his jollity at these times, and a ruthless, almost arrogant personality, almost eerie to behold.

While he had resolved much of the survivor's guilt felt previously, the Doctor had begun to feel his age. Beneath his youthful veneer and outward playfulness was a very old man who had seen many terrible things. He felt a deep loneliness. His keen sense of loss led him to empathise with those who had also suffered. Sarah Jane Smith tried to comfort him by saying that although he acted like a lonely man he had the biggest family in the world. She was referring to the many companions the Doctor had picked up on his travels. (DW: Journey's End) This incarnation had a very forgiving nature. He offered to help Dalek Caan even though he had committed genocide (DW: Evolution of the Daleks). He also forgave the Master for all the atrocities he committed while ruling the Earth. These acts included turning his TARDIS into a paradox machine, torturing his companions for pleasure and turning him into an incredibly ancient man. (DW: Last of the Time Lords). However when his patience reached its limit his enemies got no second chance, as he said shortly after defeating the leader of the Sycorax. (DW: The Christmas Invasion). When he ran from the Family of Blood, he was showing them mercy, saving them from his rage. When they continued to hunt him, killing innocent people and separating him from his love interest, Joan Redfern, the Doctor lost his temper and gave each member of the Family of Blood an eternal punishment, fulfilling their wish for immortality in a twisted way. (DW: The Family of Blood) Donna would later link this mercy to his travelling with Martha. The Doctor agreed with this assessment.

The Doctor had a very hard time accepting defeat or failure. When he failed to save Astrid, he kicked a teleport, screaming. (DW: Voyage of the Damned) Having seen so much destruction he felt driven to prevent it where possible. River Song thought that if he lost this trait, the universe would become a darker place. (DW: Forest of the Dead)

On their first meeting, Donna Noble noted the reason the Doctor required so many companions was to keep him from succumbing to his darker urges. (DW: The Runaway Bride) After losing Donna to a meta-crisis, the Doctor chose to no longer take on companions to avoid getting his heart broken again. This time spent alone ultimately resulted in his succumbing to those darker urges and breaking the laws of time to satisfy his ego. (DW: The Waters of Mars)

The tenth incarnation engaged in romantic situations far more frequently than his predecessors. Having travelled with her since early in his ninth incarnation, the tenth Doctor fell in love with Rose Tyler and was heartbroken by her loss. (DW: Doomsday) However he never actually stated his feelings for Rose. (DW: The Satan Pit, Doomsday). In the end it was the Meta-Crisis Tenth Doctor that revealed the Doctor's feelings for her and since the Meta-Crisis Doctor was almost identical to the original Doctor, albeit a bit more violent and with some of Donna Noble's personality traits, as well as the fact that he possessed all of the original Doctor's memories, it is almost certain that the original Doctor felt the same way. Others tried to engage him romantically, including Madame de Pompadour, Joan Redfern, Martha Jones, Astrid Peth, River Song and Christina de Souza. (DW: The Girl in the Fireplace, Human Nature/The Family of Blood, Voyage of the Damned, Silence in the Library/Forest of the Dead, Planet of the Dead) The Doctor reciprocated all of those except Martha, Christina and River, whose relationship was supposedly unknown to him.

This incarnation refused to take up a weapon against an enemy. While previous incarnations had, the tenth incarnation would not, repeatedly refusing even when offered one by UNIT while attacking the Sontarans. (DW: The Poison Sky) Davros mentioned his refusal to take up a gun, but pointed out that he turned his companions into weapons. Finally, the Doctor decided to take Wilfred Mott's pistol with him to stop Rassilon and the Time Lords from destroying reality. (DW The End of Time)

This incarnation always attempted to solve a situation without violence. He tried to settle a dispute with the Sycorax without killing the leader, until the leader betrayed his promise. He banished the Sycorax from Earth with the message that it was defended. He was angered when Torchwood destroyed the ship afterwards. (DW: The Christmas Invasion) The Doctor also tried to help the Dalek survivors in New York find a new world for themselves rather than fight to the death. He almost succeeded until the Daleks turned against Dalek Sec. Even when only Dalek Caan was left, he tried to find a peaceful solution. (DW: Evolution of the Daleks) He also tried to get the Sontarans to leave peacefully after their plan was foiled, but they refused. Luke Rattigan killed them in place of the Doctor. (DW: The Poison Sky) Later, the Doctor tried to find a way to solve the Master Race crisis without killing the Master. When the Time Lords returned, he took a gun into the situation and felt forced to choose between killing Rassilon or the Master. He found another way, using the gun to destroy the White Point Star diamond, breaking the link holding the Time Lords out of the time lock. (DW: The End of Time)

This incarnation had a great respect for humanity, as well as a great desire to protect it, often noting their importance. Some of this may have been due to the influence of his companions. When Wilfred Mott said that humanity must look like insects to the Doctor, the Doctor responded that they looked like giants. (DW: The End of Time)

Towards the end of his life, this incarnation was terrified of his predicted death, going on all sorts of adventures to circumvent or delay it. (DW: The End of Time)

Habits and quirks
The Doctor made frequent reference to twentieth century pop culture, including the Ghostbusters theme, (DW: Army of Ghosts) the song "Circle of Life" from The Lion King, (DW: The Christmas Invasion) and one of Kylie Minogue's songs, "Never Too Late". (DW: The Idiot's Lantern) He had also read the Harry Potter books, noting that he cried after reading the seventh book (DW: The Shakespeare Code) Even though he knew so much of pop culture he did not understand certain remarks, such as being called a "science geek". (DW: The Lazarus Experiment) He was fond of rock and roll, trying to take Rose to see concerts by both Ian Dury and Elvis Presley. (DW: Tooth and Claw, The Idiot's Lantern)

He often remarked that exotic technology or life was "beautiful" or "brilliant" and was genuinely enthralled by such discoveries, sometimes to the extent that he placed himself or his companions in danger. When this incarnation was faced with an occurrence that dumbfounded him he would repeatedly say "What?", looking increasingly astonished with each repetition. (DW: Doomsday, Last of the Time Lords) While attempting to explain something he would often interrupt himself with a "Well..." and further elaborate what it was he was talking about (DW: Blink, et al) The Doctor was also fond of the phrase "I'm sorry, I'm so sorry", mainly talking to persons he knows are about to die and whom he cannot save. Other favoured phrases were "Allons-y!" (DW: Army of Ghosts) and "Molto bene." (DW: Voyage of the Damned) Like his seventh incarnation, he also often responded "I'm always all right" even when all evidence pointed to the contrary. (DW: Forest of the Dead)

He also demonstrated an ability of his fifth incarnation, which was being able to determine the properties of an object by taste. (DW: The Christmas Invasion, The Idiot's Lantern, Tooth and Claw, Utopia, The Fires of Pompeii, The Sontaran Stratagem, The Unicorn and the Wasp, Planet of the Dead) He also possessed a heightened sense of smell, which could be used to track other Time Lords, such as the Master. (DW: The End of Time)

Until they left his life, he continued his previous incarnation's habit of mildly mocking both Mickey and Jackie, though generally in a more obviously playful fashion.

The tenth incarnation of the Doctor had a fondness for bananas like his predecessor. (DW: The Girl in the Fireplace)

The Doctor had a stated fondness for "little shops", the gift stores usually found in hospitals and other public places. Though he retained a great dislike for hospitals due to his seventh incarnation being killed at one by accident. (DW: New Earth)

This incarnation of the Doctor relied heavily upon his sonic screwdriver, pushing it to limits not seen in previous incarnations and even chiding his fifth incarnation for going "hands free". (DW: Time Crash) He also continued to heavily use the psychic paper. (DW New Earth et al) Like previous selves, he appeared to have the ability to carry a large and diverse number of objects in his pockets, stating once that they were bigger on the inside. (DW: The Runaway Bride)

He also revived the occasional use of a stethoscope, like his second incarnation in mostly non-medical situations, such as the diagnosis of electronic or mechanical faults. (DW: Fury from the Deep, Rise of the Cybermen, The Stolen Earth) He used his hammer many times during this incarnation, to knock out Sontarans and even pilot the TARDIS. (DW: The Runaway Bride, The End of Time)

He had been given a GSM mobile phone by Martha, when she left him as his companion, that he carried with him in his travels. (DW: Last of the Time Lords) The number could be used to contact him anywhere in space and time. (DW: The Sontaran Stratagem, The Stolen Earth) As his previous incarnation had with Rose Tyler's "superphone", this incarnation also upgraded the mobile phones of his later companions in order to facilitate communication with their families and with the Doctor. Both Martha Jones and Donna Noble's phones were modified and, like Rose's mother, their close relatives were able to communicate through time and space as a result. (DW: The Stolen Earth)

He also followed the trend of his immediate predecessors in displaying increasing skill for using the TARDIS, on several occasions even using it in the form of a standard spaceship rather than simply dematerialising it every time. (DW: The Runaway Bride, Partners in Crime) He was told by a future companion, River Song, that he would one day be able to command the TARDIS with a snap of his fingers. Initially, he believed this to be nonsense, but later found that he did possess such abilities. (DW: Forest of the Dead)

The Doctor often did math calculations in his head very fast. This included making an estimate, waiting for those around him to respond, then giving a very exact answer. (DW: Voyage of the Damned) For food, he hated pears and (like his sixth life) carrots, but liked apples, yogurt, beans, bacon and bread as demonstrated when his next incarnation tried this incarnation's favourite foods. (DW: The Eleventh Hour)

Appearance
The Tenth Doctor was a handsome man with a tall, slim frame, dark brown hair, pale skin and dark brown eyes. (DW: Children in Need Special) While he was possessed by Cassandra at New New York Hospital, Cassandra stated that he was "slim and a little bit foxy." (DW: New Earth)

Grooming and hair
The tenth incarnation was happy to have sideburns and to have more hair than his previous incarnation, whose hair was very close-cut. (DW: Children in Need Special) Though he initially seemed disappointed at not being ginger, he would come to take great pride in his dark brown hair, wearing it in various ways throughout his adventures. He would wear it un-styled, (DW: The Christmas Invasion) in a fifties-style quiff, (DW: The Idiot's Lantern) or flattened forwards. (DW: The Runaway Bride)

Clothes
For the early minutes of his life, the Doctor continued to wear the clothes his previous incarnation had on at the time of his regeneration. After arriving in London and collapsing, he was placed in a set of pyjamas and a dressing gown, which he kept until the end of his first adventure, when he chose a new outfit. (DW: Children in Need Special, The Christmas Invasion)

This incarnation had several variations of dress. He had two main suits, a dark brown suit with blue pinstripes and a blue suit with red pinstripes. On rare occasions, he would also don a bow tie and tuxedo. (DW: Rise of the Cybermen, The Age of Steel, The Lazarus Experiment, Voyage of the Damned)

Under his suits he usually wore a shirt and a tie, or wore an open-necked shirt with a t-shirt underneath. He had a red-hued t-shirt, a brown t-shirt or a purple t-shirt. Both brown and blue suits were often accompanied by a light brown overcoat, which the Doctor claimed had been given to him by Janis Joplin. (DW: Gridlock)

The Doctor appeared to have more than one suit of each design. The Meta-Crisis Doctor wore a blue suit after his creation, and was wearing it when the walls of the universe sealed him in a parallel world. (DW: Journey's End) Nevertheless, the Doctor subsequently wore a blue suit on several occasions, implying he had more than one. (DW: Music of the Spheres, SJA: The Wedding of Sarah Jane Smith, DW: The Waters of Mars)

His footwear choices were trainers, more specifically, Converse All Stars. He varied the colours from cream to go with his brown suit, black for wearing with his tuxedo and on a few occasion with his brown suit, or red to go with the blue suit.

Another part of the Doctor's attire was a pair of dark tortoise-shell rectangular frame glasses, which he called "brainy specs". Although he wore them on numerous occasions, he later pointed out to an earlier incarnation they didn't need them and simply used them because they made him look clever. (DW: Time Crash) At one time, the Doctor used his sonic screwdriver to darken the lenses to effectively turn them into sunglasses. (DW: Planet of the Dead)

His favourite variation of dress seemed to be his brown suit with blue pinstripes, a light blue shirt, a tie and cream Converse All Stars.

Lifespan
Assuming the Doctor's stated age of nine hundred around the start of this incarnation was correct, it would appear he lived for slightly less than seven years, given his stated age of 906 just prior to his regeneration. (DW: The End of Time) His next incarnation wwould give his age as nine hundred seven early in his adventures. (DW: Flesh and Stone) There are, however, some discrepancies. There are some accounts that suggest his stated tally may not be correct. (DW: The Infinite Quest)
 * See separate article.

Behind the scenes
The Tenth Doctor was the first incarnation since the Seventh Doctor to have encountered the Daleks, the Cybermen, the Master and Davros on screen.

David Tennant stated on The End of Time commentary that he kept his costume for possible future use, and that he would gladly return for a multi-Doctor special should he ever be asked to participate in one.

Costuming
David Tennant described his costume "geek chic." According to an interview on Parkinson, Tennant and Russell T Davies got the idea for the tenth incarnation's costume from an outfit Jamie Oliver had worn on Parkinson just after Tennant had taken the role of the Doctor.

According to costume designer Louise Page, there were only four sets of the brown suit in existence, as they were pieced together from many copies of a pin-striped pair of trousers that Tennant picked out during the initial costuming process. His overcoat was made from sofa covering and there was one version that had five inches from the bottom cut off then sewn back on, as Davies and Phil Collinson had different ideas about how long it should be.

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