Fifth Doctor

The Fifth Doctor looked younger than most of the Doctor's other incarnations. He expressed an interest things associated with Victorian and Edwardian England: cricket, tea, fair play, good manners, and a keen interest in science and exploration. He was also a sensitive and profusely humane incarnation who did not make himself an imposition, preferring to be honest, reserved, and honourable. However, the Fifth Doctor was also less willing to do what he thought was immoral, and became highly conflicted about what choices he could make in a crisis that were truly right. His hesitancy kept him seemingly more fallible than many other incarnations, making those around him wonder if he was capable of resolving difficult situations. Nevertheless, he was one of the most overtly fearless incarnations, and frequently found himself right in the thick of battle.

Like his first two incarnations, the Fifth Doctor often travelled with multiple companions. However, his TARDIS was rarely as harmonious as those of his predecessors. Instead, he frequently found himself stuck between Tegan Jovanka's pessimism and Adric's arrogance or Turlough's antagonism. Stuck in the middle with him was usually Nyssa, by far his longest-serving companion, and the assistant with whom he travelled alone for many years. Even after he seemingly was settled on just having one companion, he and Peri Brown found another companion — a pharaoh from Egypt called Erimem — and the Doctor once again slid into the role of the oft-maligned chaperone.

When he passed, though, he was adventuring only with Peri, and it was for her that he gave his life. The two fell to spectrox toxaemia, a kind of poisoning. By deciding to deliver his limited supply of antidote only to her, he knew that his only hope for survival lay in regeneration. (TV: The Caves of Androzani)

Fighting the Master
After being severely injured from falling off the Pharos Project Radio Telescope, the Fourth Doctor merged with the Watcher and regenerated into his fifth incarnation. (TV: Logopolis) The regeneration proved to be a difficult one, nearly failing. His companions took him to the Zero Room to stabilise. While he was recovering, a message came from Adric, whom had abducted, saying the TARDIS was heading for Event One. The Doctor left Tegan and Nyssa instructions on how to escape by jettisoning rooms from the TARDIS.

Much of the Zero Room was jettisoned. The Doctor needed to find a peaceful place to continue his stabilisation and went to Castrovalva. After he had recovered, he learned the city was artificial, created by block transfer computations. The Master, in the guise of the Portreeve, had created the city with Adric's brilliant mind. The Doctor rescued Adric and the TARDIS crew fled Castrovalva as it collapsed in on itself, leaving the Master to be erased from existence. The Doctor's regeneration had finally stabilised, and he told his companions that he felt "absolutely splendid." (TV: Castrovalva)

Looking for Heathrow
Setting off for more adventures in his TARDIS, Tegan insisted that he return her to London in 1981 as she had only entered his company by accident. (TV: Four to Doomsday, The Visitation) However, he spent a "long time" trying to return her home. (TV: The Crimson Horror)

A trip to a colony in the 28th century brought the Doctor into an encounter with his seventh incarnation and the misguided Ferutu. (PROSE: Cold Fusion)

The Doctor got to 1981, but in the wrong place: Monarch's spaceship. The TARDIS crew stopped Monarch's mad scheme for time travel with cyborgs, even though the Doctor had to deal with Adric, who had allied himself with Monarch. During this adventure, Nyssa had almost been converted into a cyborg and was greatly weakened, causing her to collapse. (TV: Four to Doomsday)

While Nyssa rested in the TARDIS, the Doctor, Adric and Tegan visited the planet Deva Loka and were arrested by a Commander Sanders, a madman undergoing a nervous breakdown. After escaping and pacifying him, the Doctor found Tegan had been possessed by the Mara. Assisted by the Kinda, the Doctor cured her and removed the humans from the Kinda's planet. (TV: Kinda)

Another attempt to return Tegan home saw the Doctor land his TARDIS at Heathrow three hundred years early in September 1666. The locals accused the Doctor of carrying the plague and hunted him and his friends down, until they were saved by Richard Mace. Allied with Mace, The Doctor and his companions found the Terileptils were enhancing the plague in carrier rats to rid the planet of humans so they could take over. In stopping them, the Doctor accidentally caused the Great Fire of London and destroyed his sonic screwdriver. (TV: The Visitation)

Still trying to get Tegan home, the Doctor answered a psionic distress call from his old friend Harry Houdini in England in the 1920s, who needed his help to stop a fortune teller. However, he found Houdini had been manipulated by the Master, who, once again, tried to have the Doctor and his friends killed. But the Doctor managed to stop his arch-enemy's revenge plan. Whilst there, he was contacted by his eleventh incarnation who needed him to return an Ovid sphere to its race. (AUDIO: Smoke and Mirrors)

The Doctor and his companions spent Christmas with the Doctor's old friend, Iris Wildthyme. (AUDIO: Excelis Dawns)

The Doctor's relationship with Adric became increasingly rocky, causing tension amongst the TARDIS crew. Taking a trip to an idyllic world, the Doctor, Tegan and Nyssa spent the day relaxing, whilst Adric visited a glade filled with statues of countless races throughout the universe. He was tempted to transform into a statue, but the Doctor dragged him back to the TARDIS and the crew left the planet, leaving Adric resentful of the Doctor because he denied him the right to choose his own destiny. (PROSE: Hearts of Stone)

When Tegan and Nyssa went on a trip together, the Doctor took Adric to Vaga, a planet which he had visited before. Whilst there, they saved a Vagan spacecraft populated with Vagans from a Pyron space-shark. After leaving, they resumed travelling with Nyssa and Tegan. (PROSE: The Key of Vaga)

On a trip to Oxfordshire on 11 June 1925, the Doctor was mistaken by Lord Charles Cranleigh for a cricket player. When he helped Cranleigh win a match, the Doctor and his friends were invited to a fancy-dress ball to celebrate their victory. The Doctor's costume was stolen and used as a disguise for a murderer, which led to the Doctor being framed for the crime by Lady Cranleigh. With his loyal companions alongside him, The Doctor cleared his name by uncovering a Cranleigh family secret: Cranleigh's supposedly deceased brother, George Cranleigh was the culprit. George kidnapped Nyssa, who was identical to George's ex-fiancee Ann, who was now engaged to his brother. The Doctor saved Nyssa. But George fell off the roof and died. (TV: Black Orchid)

The Doctor next was reunited wit his old friend, Edward Grainger, who had a newborn baby. Adric was taken over by a complex computer entity, attacking the Doctor, Tegan and Nyssa and kidnapping Edward's newborn son to create a new body for itself. The Doctor uploaded the computer entity into the TARDIS systems and transported it to Otho, the second moon of Liberius, blocking it's control over Adric and Edward's son. (PROSE: First Born)

Adric's death and Tegan's departure
The Doctor and Adric's frosty relationship worsened and Adric became distant towards him, Nyssa and Tegan, causing him to request a return to his home universe, E-Space, which the Doctor angrily denied out of fear that he would, once again, become trapped in the mini-universe. Visiting Earth again, the four TARDIS travellers uncovered a plot by Cybermen to use Captain Briggs' space freighter as a giant bomb. Adric tried to stop the freighter by cracking logic codes on the ship's controls. The freighter shifted through time to the distant past. When a surviving Cyberman destroyed the controls, the freighter hit the Earth and killed the dinosaurs. Adric, trapped on the freighter, died trying to save the Earth. Nyssa and Tegan were devastated, and the heartbroken Doctor was haunted by the fact that he couldn't use his ability as a time traveller to save him, as his death was now fixed in Earth's history. (TV: Earthshock)

Adric's death led the Doctor to swear that he would not allow another of his companions to die during his fifth incarnation. (PROSE: Goth Opera) Adric's death would haunt the Doctor for centuries. (COMIC: The Forgotten)

After Adric's death, the Doctor tried to help a grief-stricken Tegan and Nyssa by taking them to the Necropolitan, a huge neutral interplanetary place of mourning. There, he reunited with Verin, a funeral officer whom he had met several times before, and helped him solve a murder. (PROSE: Wake)

Still recovering from losing his companion, The Doctor finally returned Tegan to Heathrow Airport in 1981, where they were recruited by C19 to investigate a missing Concorde. Taking a trip on another Concorde plane, they, along with the passengers, were transported to 140,000,000 BC. They visited a Citadel populated by the previous Concorde passengers, where the Doctor re-encountered The Master: His arch-enemy had plotted to use the ancient Xeraphin gestalt as a power source for his TARDIS, which had been badly damaged on Castrovalva. Stopping the Master from stealing parts of his own TARDIS, the Doctor abandoned him on Xeriphas to let the Xeraphins take their revenge.

After using his TARDIS to bring Concorde back to 1981, the Doctor and Nyssa left Tegan where she wanted to be and set off in the TARDIS once again, unaware that Tegan had actually wanted to continue travelling with them. (TV: Time-Flight)

Two's company
Visiting an asteroid that he saved years previously, the Doctor and Nyssa met Earth colony agent, Sebastian Musgrove, the lone survivor of the asteroid following a Dalek attack. He later discovered a dying creature called Telxzana. As her life force was the asteroid's sole continent, her death would result in the asteroid's destruction. Because of this, the Doctor contacted Earth to have Musgrove taken to safety, but not before watching the asteroid's last days. (PROSE: Lonely Days)

When Nyssa attempted to repair the TARDIS chamelion circuit, the ship transformed into a whale and trapped the Doctor and Nyssa on an isolated island on Earth. The Doctor lured his ship onto the island. Having grown fond of his "police box", the Doctor made the TARDIS change back and ensured that the chamelion circuit would remain broke for the time being. (AUDIO: The Deep)

The Doctor and Nyssa returned to Earth a few times: in the past, after an accident with a teleportation experiment; and in an alternative Earth where the Dalek Emperor tried to manipulate a Mutant Phase infection. (AUDIO: Winter for the Adept, The Mutant Phase)

The Doctor returned to Traken before its destruction to find the cause of Nyssa's psychic sensitivity. They learned Kwundaar had caused her illness deliberately. (AUDIO: Primeval) On the planet Mondas while it travelled through interstellar space, he learned that he might have been part of the inspiration for the Cybermen. (AUDIO: Spare Parts)

The Doctor and Nyssa become embroiled in Time Lord politics on an alien world ruled by intelligent but flightless birds. (AUDIO: Spring) They fell afoul of Sir Isaac Newton and were arrested for having counterfeit coins, actually genuine coins from Earth’s future. (AUDIO: Summer) The Doctor set down in the English village, Stockbridge, to play cricket while Nyssa tried her hand at writing a novel. She caught the attention of a local boy, fell in love and contemplated life on Earth. However, she decided to continue travelling with the Doctor. (AUDIO: Autumn)

Stockbridge, Sir Justin and Gus
While Nyssa was undertaking a solo expedition to 13th century Rhodes, (AUDIO: Renaissance of the Daleks) the Doctor travelled to Stockbridge to continue playing cricket. Meanwhile, Melanicus, having seized control of the Event Synthesizer from the Prime Mover, used it to wreak havoc on time. While investigating the cause of the distortion, the Doctor met Sir Justin, who was plucked from a joust in his own time. Justin accompanied the Doctor to Gallifrey and the Althrace system to attend a meeting with the High Evolutionaries of Althrace who explained the situation. Eventually, with the help of Rassilon, Merlin the Wise and Celestrial Intervention Agent Shayde, the Doctor confronted Melanicus, who had hidden the Event Synthesizer in a time-altered version of the local church. Justin, the Doctor and Shayde fought Melanicus. Justin gave the killing blow at the cost of his own life, restoring the universe to normal. (COMIC: The Tides of Time)

Continuing his journeys alone, the Doctor visited the English village of Stockbridge and met a UFO spotter called Maxwell Edison. When Maxwell stumbled into his TARDIS, the Doctor was taken to a ghost ship in Earth's orbit. But before he could investigate, the ship began breaking up. (COMIC: Stars Fell on Stockbridge)

After spending a few months living "The quiet life of rural England", the Doctor discovered his TARDIS had been embedded in the limestone of the Stockbridge quarry. Investigating, the Doctor found himself in a forest on fire, which had been started by an Elemental Being. As he tried to escape, the Doctor learned the Elemental had posessed the TARDIS's computer, leaving him unable to control his timeship. He was saved by his old friend, Shayde, and taken back to Gallifrey, where he stood trial as the Elemental had secretly been manipulating his TARDIS whilst he was living in Stockbridge. Shayde managed to clear him of any charges. But the Doctor was curious over Shayde's true motives. (COMIC: The Stockbridge Horror)

While travelling in the TARDIS, the Doctor arrived on an island in the Pacific Ocean, where he met Fuji and Angus "Gus" Goodman. (COMIC: Lunar Lagoon) The Doctor was forced to take Gus away from the island at gunpoint. He discovered that he arrived in 1963, in an alternative timeline, where World War II hadn't finished. The Doctor subsequently found that the alternative timeline was created by the interventions of the Meddling Monk and the Ice Warriors. The Doctor, however, managed to prevent this timeline coming to pass, and defeated the Ice Warriors and the Monk. (COMIC: 4-Dimensional Vistas)

The Doctor and Gus travelled to the planet Celeste, where they were captured by the malevolent, frog-like businessman, Josiah W. Dogbolter. The Doctor had offended Dogbolter by refusing to sell the TARDIS to him, so Dogbolter sent the Moderator, a hitman, after him. Just as the Doctor had dropped Gus off at someplace like home, the Moderator ambushed them and shot Gus. In the ensuing hail of gunfire, Gus shot and incapacitated the Moderator. Gus died from his wounds. The Doctor left Gus where he had fallen, but eventually encountered Dogbolter again. (COMIC: The Moderator)

Troubles with Thomas Brewster
The Doctor was eventually reunited with Nyssa, and had an encounter with the Daleks from an alternative timeline. After this adventure, the two continued to travel together. (AUDIO: Renaissance of the Daleks)

The Doctor spent time in Victorian London where Thomas Brewster stole the TARDIS. (AUDIO: The Haunting of Thomas Brewster) The Doctor and Nyssa then arrived on the land of the Scorpion King, where he found that someone he thought dead had survived. (AUDIO: The Boy That Time Forgot) Thomas Brewster subsequently left the TARDIS to live on Earth in 2008 with his lover, Connie Winter. (AUDIO: A Perfect World)

The Doctor returned to Ca-Mon Green, a planet he had visited in his first incarnation, re-encountered the Kel-T and stopped them from gaining superpowers, which he had previously done on his last visit. (PROSE: The Power Supply)

In 1199, the Doctor and Nyssa found a Rutan inhabiting the Stockbridge Castle on Earth. They managed to defeat the Rutan, but were caught in an explosion. (AUDIO: Castle of Fear)

They survived, and arrived in Stockbridge during the late 20th century, where the Doctor met Maxwell Edison again. (AUDIO: The Eternal Summer)

The Doctor and Nyssa were swept up by a time storm to Stockbridge. A strange rain was mutating the villagers into slaves of the Daleks. The Daleks tried to turn the Doctor into a Dalek and use his TARDIS to help conquer the universe, but failed. (AUDIO: Plague of the Daleks)

The Doctor and Nyssa continued their travels. They woke with no memory of where they were or how they had arrived. After escaping to a cabin in the woods and learning the date — 1624 — they met aliens who were assimilating/cloning the locals. The Doctor's binary vascular system helped them save the world. (AUDIO: The Demons of Red Lodge) They went to hear some of the last Traken music in the universe and uncovered a plot involving a musical piece called "White Waves, Soft Haze". (AUDIO: The Entropy Composition) On a planet where the Doctor used his "John Smith" alias, he was mistaken for a local criminal, arrested and sent to prison. While Nyssa tried to free him, the Doctor tried to warn the prison authorities of an explosion that was destined to destroy them. (AUDIO: Doing Time) After getting out of that fix, he took part in a DVD commentary of a horror film from the 1970s. In the film was an alien parasite that possessed people who watched a specific part of the movie. The Doctor destroyed all the parasitical footage. (AUDIO: Special Features)

At some point during his travels with Nyssa, they visited Bob Dovie at 59A Barnsfield Crescent in Totton, Hampshire on 23 November 1963. (AUDIO: The Light at the End)

Hannah joins and departs
Hannah Bartholemew, a huntress and adventuress who encountered the Doctor and Nyssa in Suffolk in October 1911 and assisted them during an adventure in her own time (AUDIO: Moonflesh), stowed away in the TARDIS and assisted the Doctor on an Arrit tomb ship in which the TARDIS had materialised. After that, Bartholomew wanted to join the Doctor on new adventures in time and space, but Doctor set course to England in 1911. However, he immediately explained that wherever he set course to was usually the last place the TARDIS was likely to land. (AUDIO: Tomb Ship)

On the SORDIDE Delta space station and in the Shadow Space connected to it, Hannah saved the lives of the Doctor and Nyssa, as well as the fate of billions of humans, but in the process, she was left purged of all emotions, in a robot-like state. She decided to stay on the station along with its similarly afflicted crew instead of going back home with the Doctor. (AUDIO: Masquerade)

Travels with Tegan and Nyssa
The Doctor was summoned to Gallifrey after dealing with an anti-matter being near the Arc of Infinity. The High Council, led by the Doctor's former tutor, the now Lord President Borusa, ordered a Warrant of Termination issued; the Doctor was to be killed. He had an encounter with Omega, who he had defeated in his second and third life, and, oddly, ex-TARDIS traveller Tegan Jovanka in the Matrix. (TV: Arc of Infinity) Whilst in the Matrix, he was, once again, watched over by a version of Clara Oswald. (TV: The Name of the Doctor) With Nyssa's help, He escaped to Amsterdam in 1983 and found Tegan and Omega, who had created a new body for himself, copying the Doctor's biodata and appearance. The Doctor used the gun of one of Omega's creations to destroy him before Omega could will his self-destruction. With Omega destroyed, the High Council dropped all the charges against the Doctor, allowing him to continue his travels. He also allowed Tegan to rejoin him and Nyssa in the TARDIS. (TV: Arc of Infinity)

While Tegan and Nyssa were relaxing in Amsterdam in 1983 (AUDIO: The Elite), the Doctor was called upon by the Time Lords to answer a telepathic message sent by "the Doctor" in the Sector of Forgotten Souls. Upon arrival, the Doctor discovered that Omega had been reconstructed from his biodata, and developed a split personality, believing himself to be both "the Doctor" and Omega. However, the Doctor managed to defeat Omega, and exile him back to his universe of anti-matter. (AUDIO: Omega)

The Doctor tried to return to Amsterdam, but accidently arrived on a spaceship in the Drashani Empire carrying a prince called Kylo Sorsha. His arrival indirectly caused the ship to crash into the planet Sharnax, and for Kylo to remain stranded on Sharnax. While the Doctor departed, he would not realise how the consequences of these actions would cause difficulties for his future incarnations. (AUDIO: The Burning Prince)

After picking Nyssa and Tegan up from Amsterdam, the Doctor took them to Florana in the planet's early history, where he discovered a lone Dalek had manipulated the population into believing that it was a god. The Doctor tricked his old enemy into revealing it's real identity during the presence of it's greatest "follower", Thane, the High Priest. With his faith broken, Thane killed the Dalek. However, Thane continued with the Dalek's plot to use a weapon called "The Cleansing Fire" to wipe out the population. But he ended up killing himself in the process, along with a percentage of the population. (AUDIO: The Elite)

Taking Nyssa and Tegan to Prague, the Doctor discovered another species had been underground Earth millions of years before the Silurians even existed. (PROSE: Men of the Earth) When Tegan began having precognitive dreams of the Mara, the Doctor decided to deal with the problem on the Mara's home planet, Manussa; it seemed the dangerous entity would be returning very soon. The Doctor sought help from a snakedancer named Dojjen. According to him, the Doctor had to find his "still point"; the Mara fed on negative emotions, but if one found this internal spot, they would be safe from being fed on. Taking advantage of this knowledge, the Doctor starved the Mara to death, freeing Tegan from its influence for good. (TV: Snakedance)

About this time, the Doctor met his tenth incarnation when their TARDISes crashed into each other. The Doctor found his future self annoying and called him a "skinny idiot". The Tenth Doctor poked fun at some of the Fifth Doctor's quirks. They saved the universe from being sucked into a black hole by blowing up the TARDIS at the same time as the black hole imploded and bonded over their success before the Doctor was returned to his own timestream. (TV: Time Crash)

In Manchester, the Doctor was attacked by a baby vampire sent by his old Time Lord friend, Ruath; Nyssa was bitten and became a vampire in his place. Ruath wanted his blood to resurrect the powerful vampire Yarven. The Doctor found Ruath, who was also a vampire, building a machine to freeze time in eternal night to allow vampires to feed forever. The Doctor allowed Nyssa to convert him, then destroyed the machine and Yarven, changing himself, Nyssa and Ruath back to normal, then trapped Ruath in the time vortex. The Doctor was unaware that Ruath and Yarven had been working for his old enemy, the Black Guardian, who still sought revenge on the Doctor for his fourth incarnation's quest for the Key to Time. (PROSE: Goth Opera)

Leaving Manchester, The Doctor was summoned back to Gallifrey, where he and Nyssa investigated a spate of vampire killings whilst an ill Tegan remained in the TARDIS. They came across a Time Lord cult who believed Rassilon was a vampire. They found the real culprit had infiltrated the TARDIS and infected Tegan. Held hostage, the Doctor was forced to pilot the TARDIS to Earth. However, he materlised in daylight, which destroyed the vampire and returned Tegan to normal. (COMIC: Blood Invocation)

Stranded on a massacred Earth colony, the Doctor lost Tegan when she was kidnapped by Anna, the last survivor of the population. However, when he found Tegan alive and well, he was disturbed to find Anna had been reduced to dust. (PROSE: Soul Mate)

The Black Guardian's revenge
When the TARDIS got stuck in a warp ellipse and materialised on a starliner in 1983, The Doctor became trapped on Earth without his TARDIS or Tegan and Nyssa. At Brendon Public School, he met a teenage alien exile named Vislor Turlough; The Black Guardian persuaded him to kill the Doctor in return for being taken back to his homeworld. The Doctor found a transmat capsule was responsible for his entrap on Earth; it exploded, sending the TARDIS, containing Nyssa and Tegan, to 1977. He also reunited with the Brigadier, who'd forgotten their adventures at UNIT and was now a teacher at Brendon's School. After jogged his memory. The Doctor and the Brigadier went to the spaceship, where the Brigadier from 1977 also was. Mawdryn, one of nine aliens who abused Time Lord technology to become immortal, now wished to die. At first it seemed the Doctor would have to use his remaining eight lives to power a machine to save his companions and kill Mawdryn. Due to the Black Guardian's manipulation of Turlough, the Brigadiers met; the resulting effect gave the younger Brigadier amnesia and provided power for the machine. The Doctor returned the Brigadiers to their proper times and welcomed Turlough onboard, unaware that his latest companion was his assassin. (TV: Mawdryn Undead) On the Black Guardian's command, Turlough sabotaged the TARDIS, something that could tear the TARDIS apart at the seams if it had been done properly. the ship locked onto a spaceship carrying victims of Lazar's disease to Terminus. Terminus had originally caused the Big Bang and was about to reverse it, destroying the universe. The Doctor charmed the Garm, who prevented the engines from blowing up. Nyssa decided to stay on Terminus to help perfect a cure for Lazar's disease; the only cure for it lacked stability, which was needed to ensure those treated would live, which upset the Doctor, who was left to travel on with Tegan and his "assassin". (TV: Terminus)

While fixing Turlough's sabotage, the Doctor encountered the White Guardian and was ordered to visit an Edwardian yatch-like space-ship piloted by Eternals in a race for Enlightenment. One Eternal, Wrack, sought the prize to end her boredom; she cheated, using the Black Guardian's power to destroy other ships. Tegan became infatuated with Marriner, but he was only interested in the emotions she gave off; she sent him away. The Doctor and Turlough won the race. Both Guardians offered them the prize. Realising he was in leauge with his old enemy, the Doctor offered it to Turlough to test his virtue. Though the Black Guardian tempted him with anything he wanted in exchange for the Doctor's life, Turlough did as the Doctor had hoped; he rejected the offer, making the Black Guardian vanish. The White Guardian explained Enlightenment was the choice; Turlough chose wisely. Although Turloguh had been betraying him, the Doctor allowed him to remain aboard the TARDIS. (TV: Enlightenment), which resulted in conflict between him and Tegan. (AUDIO: Cobwebs)

Travels with Tegan, Turlough and an aged Nyssa
Two days later, the TARDIS was forced down to the planet Helheim, where the Doctor, Tegan and Turlough reunited with Nyssa, who had lived fifty years since staying behind on Terminus. Nyssa arrived on Helheim to find a cure for Richtes Disease, which led her to an abandoned base, where they found robotic Cractids, and four bodies covered in cobwebs, which resembled the Doctor, Tegan, Turlough and Nyssa. To discover what happened to the base, they all travelled to the past, where they discovered that the Cractids were attempting to construct clones of the TARDIS crew, explaining why their bodies were left in the base. The Doctor then used his TARDIS, to divert his TARDIS in the past, to arrive on Helheim in the first place. After the Doctor failed to return her home, Nyssa rejoined him and his two other friends on their adventures. (AUDIO: Cobwebs)

The Doctor, Tegan, Turlough and Nyssa arrived on Cherdor in the 28th century, where they found a society which was obsessed with cleanliness, and lived under the menace of the Takers. After discovering the truth behind the origins to the corrupt society, the TARDIS crew returned to the TARDIS, but discovered that Tegan was still possessed by the Mara. (AUDIO: The Whispering Forest)

When the Doctor attempted to drive it out, it changed its tactics and entered into the Doctor's mind, leaving Tegan completely. It then consulted a book in the TARDIS library to find out about its history. Piloting the TARDIS to Manussa (under the pretence of having Tegan examined by a Manussan doctor), it landed the ship about one hundred years prior to the rise of the Sumaran Empire, and embarked on a scheme to bring about the subjugation of Manussa in that time period instead. In the process, keeping the Doctor as its primary host, it possessed several Manussans. It used an experimental Manussan technology (using Manussan blue crystals) to project the thoughts of its hosts into solid matter, manifesting itself physically as a giant snake. However, Tegan and Turlough were able to free the Doctor using a circle of television cameras and screens (similar to the circle of mirrors used on Deva Loka). The Doctor linked the crystal the Mara was using as a link to the material world to the TARDIS so he could reverse the creature's physical manifestation. However, the process required that the crystal be in physical contact with the Mara, and the giant snake, fuelled by the despair of the many Manussans it had managed to possess, had swallowed the TARDIS whole. In the end, a young man who had been brought into existence by the crystal technology sacrificed himself by going out into the snake's belly with the crystal, destroying it by "restoring the balance", as one of the snakedancers put it. Before its destruction, the Mara had managed to possess not only numerous Manussans, but Nyssa and Turlough as well. The Doctor stated that the Mara could not be said to have been fully destroyed, as it was inside all human beings. (AUDIO: The Cradle of the Snake)

After landing in Calcutta on 31 December 1926, the Doctor and his companions joined an expedition to locate the fabled Emerald Tiger. During this adventure, Nyssa regained her youth again. (AUDIO: The Emerald Tiger) Then they landed on the Eight slash Q Panenka comet in 2329, where they met a crew of a space freighter. (AUDIO: The Jupiter Conjunction)

With the intent of arriving in Brisbane, at Tegan's request, the TARDIS encountered a beam of Zygma energy, which separated Nyssa and Turlough from the TARDIS. They arrived in Brisbane during the 51st century, where they found that it was an icy wasteland covered in bodies. They found an old man who already met Nyssa and Turlough before, and was subjected to the zygma experiments, and died. They were then taken away by a group of rebels, who attempted to overthrow Magnus Greel and the Supreme Alliance. Nyssa and Turlough then found out that one of the rebels was the old man who recognised them. The Doctor and Tegan arrived three years in the future, where they found a giant, which the Doctor believed was subjected to the zygma experiments. Tegan was taken by the same rebel who took Nyssa and Turlough three years earlier, while the Doctor was taken by genetically engineered coyotes. Tegan discovered that Nyssa and Turlough had been working for the rebels for three years, and were undercover as Greel's bride and Nyssa's personal assistant. Meanwhile, the Doctor was taken to Dr Sa Yy Findecker, to used be in his zygma experiments; however, the Doctor escaped by coercing the coyote Chops into working for him, and joining the rebels. While at a conference with the Icelandic Alliance in Peking, Magnus Greel and Nyssa gave the commissioner the gift of Mr Sin, although Nyssa didn't know Mr Sin's true purpose. Greel was then met by Dr Findecker, who told him that he successfully invented the time cabinet. Mr Sin then attacked the commissioner's children and killed the commissioner, prompting Greel to kidnap Nyssa, and take her to Reykjavik, leaving Turlough with the rebels. Discovering Greel's plan to escape to Reykjavik, Findecker took the time cabinet there, with the Doctor, Tegan, Turlough and Chops in hot pursuit. Finding out about the commissioner's death, the Filipino Army advanced on Reykjavik. While attempting to infiltrate Greel's base in Reykjavik, Chops sacrificed himself to kill the other coyotes guarding Greel. The Doctor confronted Greel on the roof of the base, where the time cabinet materialised. Greel killed Findecker, while he and Mr Sin escaped in the time cabinet. The Doctor called off the Filipino Army by contacting a previous incarnation of his in the army at the time. (AUDIO: The Butcher of Brisbane)

And then there were three
After Nyssa left the TARDIS again, the TARDIS arrived on 13th century Earth. The Doctor met the Master in disguise yet again. After defeating his old foe in a jousting match, the Doctor was given the choice of either saving the innocent Geoffrey de Lacy or the Master by King John of England. Choosing Geoffrey, the Doctor couldn't stop the Master from escaping in his TARDIS. It transpired that John was, actually, a peace-loving, weak-willed, shape-changing android called Kamelion; the Master found and acquired this unique android after being stranded by the Doctor in their previous encounter. The Doctor allowed Kamelion to live in his TARDIS with him and his other two companions, although the android would rarely have adventures with them. (TV: The King's Demons)

In 1st century England, the Doctor met Ffion, a druid soothsayer, after she saved Tegan from being attacked by Romans. He became embroiled in the battle between Druids and Romans and witnessed many Druid slaughters in two days. However, he managed to save Ffion and his friends by instructing Kamelion to disguise as a Roman soldier. Saddened by the deaths, the Doctor reluctantly stopped Ffion from wiping out of the Romans as it would change history. (PROSE: The Fall of the Druids)

While travelling through space, the TARDIS was penetrated by a Phoenix, attempting to gain control of the main console room. However, the Doctor, Tegan, Turlough and Kamelion managed to access the secondary control room, and expel the Phoenix into the Time Vortex. (PROSE: The Bird of Fire)

The Game of Rassilon
The Doctor took Tegan and Turlough to the Eye of Orion for a rest. However, all four of the Doctor's previous lives were been taken out his timestream; he began to fade away. Having his TARDIS forced to the Death Zone on Gallifrey, the Doctor stabilised thanks to the presence of his original incarnation, along with his granddaughter, Susan Foreman. After encountering the Master and Cybermen in the Death Zone, the Doctor returned to Gallifrey, where he learned his old friend and tutor, President Borusa was trying to gain Rassilon's secret of immortality; he used the Doctors and his wide variety of companions to clear the way past traps, even hiring to assist. With the help of his original incarnation, the Doctor tricked Borusa into falling for Rassilon's final trap: Immortality was a curse, not a blessing. After this, he instructed Rassilon to return his past selfves and companions to their original time.

Though appointed Lord President once more, the Doctor immediately decided to go "on the run" in his faulty TARDIS, saying that "[a]fter all, that's how it all started." (TV: The Five Doctors)

Romana was shocked that the Doctor ran away from his responsibilities when he was appointed Lord President. (AUDIO: Extermination)

Soon afterwards, a Raston Warrior Robot was sent by the Time Lords to eliminate him due to his eighth incarnation visiting his past for lives to regain his missing memories. As the robot attacked whatever moved, they both approached it from different directions, confusing it to the point of self-destruction. (PROSE: The Eight Doctors)

Departures and bloodshed
During a trip to 2084, the Doctor discovered the Silurians whom he met during his UNIT years had survived the Brigadier's bombing, and teamed up with a brood of Sea Devils; they plotted to trick humanity into waging nuclear war against itself as a final defensive action. Despite his attempts to convince them otherwise, the Doctor was forced to use a gas poisonous to reptilian life forms to stop them; where the Brig failed, the Doctor had succeeded. (TV: Warriors of the Deep)

During Christmas. the Doctor took Tegan and Turlough shopping in Oxford Street. There, they ran into trouble with the local police. (PROSE: Last Minute Shopping) They later spent Christmas with an old acquaintance: Iris Wildthyme. (PROSE: The Scarlet Empress)

The Doctor received news that the Master had "died", and alongside Tegan and Turlough, attended his funeral in an Earth nursing home where he had spent his final days. However, he discovered he had once again been lured into a trap by his arch-enemy: the Master had faked his own death to steal the Doctor's remaining regenerations as the Time Lords had taken away his current body. But the Doctor was saved by Turlough, and the Master was foiled yet again. (PROSE: The Velvet Dark)

The Doctor, Tegan and Turlough next travelled to the tomb of Qin Shi Huangdi in Xi'an and rescued Edward Grainger from a plane crash. Taking Edward aboard the TARDIS, the Doctor investigated the tomb and discovered it was guarded by a 1000 terracotta warriors. Treking through the tomb, the Doctor and his three friends fought thousands of enraged ghosts, which included Edward's dead crew. The Doctor used a sonic wave to defeat the ghosts, but was forced to wipe the mind of Edward's love interest, Mai Ling. (PROSE: Falling from Xi'an)

Holidaying in his house in Kent, the Doctor was playing a game of cricket when he encountered intergalactic police force, the Judoon, who had come to Earth to retrieve the Eye of Akasha, which the Doctor had. He was forced to help them when they threatened to kill Tegan. (COMIC: The Forgotten)

The Doctor landed the TARDIS in Little Hodcombe in 1984 to meet Tegan's grandfather Andrew Verney. While in Little Hodcombe, the Doctor discovered a being called the Malus had been feeding off psychic energy generated by the negative emotions caused by the war games being held there, and was being assisted by Sir George Hutchinson. However, the Doctor managed to defeat the Malus and Hutchinson with the help of a schoolteacher called Jane Hampden and Will Chandler from Little Hodcombe in 1643, who was removed from his time by the Malus. (TV: The Awakening)

While Tegan and Turlough remained in Little Hodcombe, the Doctor and Jane tried to take Will back to 1643. Soon after leaving Little Hodcombe, the Doctor, Jane and Will encountered a race of giant lizards. The Doctor succeeded in returning Will home after about a month of trying. (PROSE: The King of Terror, The Hollow Men)

After retrieving Tegan and Turlough, the TARDIS was pulled to the planet Frontios, where it was torn apart by the Tractators, led by the Gravis. These aliens were stranded on the planet. They needed wreckage to make a functional ship. The Doctor tricked the Gravis into rebuilding the TARDIS, with him inside, separating him from the rest of the Tractators and leaving them without their hive mind. He left the Gravis on a barren, rocky planet called Kolkokron. (TV: Frontios, PROSE: Life After Queth)

Before retrieving Turlough from Frontios, the Doctor crashed on the planet Artaris. While Tegan was left in the TARDIS, the Doctor met Lord Grayvorn, who was on a quest to look for the Relic. After arriving in a nunnery to get the maps to find the Relic, the Doctor found out that Iris Wildthyme was working for the nunnery, and accompanied them on their quest. When they discovered the location of the Relic, they found that it was being guarded by zombies that were resurrected by the Relic. However, they managed to steal the Relic and arrived back at the convent. Upon their return to the convent, Grayvorn and the Mother Superior fought over the Relic and fell off the convent bell tower to their apparent deaths. The Relic was lost again. The Doctor and Iris departed, unaware that Grayvorn had not died. The Relic merged Grayvorn and the Mother Superior's minds into one, making Grayvorn immortal. (AUDIO: Excelis Dawns)

Taking yet another detour from Frontios, the Doctor and Tegan visited Camelot, where they met King Arthur Pendragon and discovered the Master was disguising himself as Arthur's ally, Merlin, in a plot to help Mordred successfully kill Arthur at the Battle of Camlaan. the Doctor broke the Master's hold over Arthur and had him banished from the kingdom. He also assisted the king in forming "The Knights of the Round Table" to protect the kingdom against dark forces. (PROSE: The Creation of Camelot)

After many detours, the Doctor and Tegan collected Turlough from Frontios. (TV: Frontios)

When the TARDIS became caught in a time corridor, the Doctor ran into the Daleks again at the London Docks in 1984. These Daleks were loyal to Davros. The Doctor failed to stop them from attacking the prison ship that he placed Davros in years previously. They recruited an army of humanoild agents, many of which were short-lived allies of the Doctor's, resulting in a battle that resulted in bloodshed on both sides. After resisiting the urge to kill Davros in cold blood, the Doctor unleashed a Movellan virus, which destroyed the Daleks. Later, he was dismayed when Tegan chose to remain in her home time. She was tiring of the violence and death she had encountered during their adventures, and the Doctor acknowledged that he needed to change his ways. (TV: Resurrection of the Daleks)

On Heracletus, a planet that had been trapped a time loop by the Time Lords, the Doctor lost the TARDIS and met an arrogant, ruthless alternative version of himself, called "the Savant". He and Turlough stopped the Savant, along with the magical being, Spline, from taking revenge on the Time Lords and destroying the fabric of time, before quickly locating the TARDIS before the time loop trapped Heracletus for eternity. (PROSE: Zeitgeist)

Travelling 4000 years into the past to witness the first encounter of the Neanderthal and Cro-Magnon Man, the Doctor set up a camp and allowed Turlough to leave in his TARDIS, waiting six months until his ship finally returned. However, the Doctor's presence prevented the Neanderthal and Cro-Magnon Man's meeting and caused the death of a Neanderthal, which upset him. (PROSE: Observation) The Doctor and Turlough became caught up in the American Civil War in December 1861 and met a dying man, called Samuel, who existed in two different timelines. (PROSE: Comforts of Home)

Soon after, the Doctor and Turlough manufactured a cure for the Atkyan plague that nearly destroy the Atkyan species. When the cure transformed them into an aggressive species as a side-effect, the Doctor created a stabilising agent that blocked out the side-effect and returned the Atkyan to normal. He was later devastated when he received a mind-link from his second incarnation, telling him that his cure had halved the Atkyan's life expectancy, which wiped out the entire race. (PROSE: One Step Forward, Two Steps Back)

Kamelion received a distress signal and they went to Lanzarote on 9 May 1984. Turlough brought onboard an American girl, Peri Brown, whom he had saved from drowning. The Doctor piloted the TARDIS to Sarn, a colony world of banished Trions.

Kamelion had fallen under the Master's control again and was fronting for him as the god Logar. The Doctor was almost burned alive. Kamelion brought the real Master (who had accidentally shrunk himself while upgrading his Tissue Compression Eliminator) to the Control Room. Though he could not prevent the Master from using the gas to return to his proper size, the Doctor fiddled with the controls, leaving his old foe to the mercy of the flames.

Now free of the Master's control, Kamelion begged for death. The Doctor used the TCE on him. Turlough wished to return home; his exile from Trion had long been ended. The Doctor took Peri on as his new companion for the last three months of her summer vacation. (TV: Planet of Fire)

Adventures with Peri and Erimem
On their first adventure together, the Doctor and Peri led a rebellion on the planet N'Tia, and were hunted by service robots. During this adventure, Peri considered leaving the Doctor as the strain of his dangerous adventures became to much for her. However, the Doctor took her to see a beautiful nightscape with shooting stars, which convinced her to continue travelling aboard the TARDIS. (PROSE: Light at the End of the Tunnel)

Visiting Wembley in 1936 to see the FA Cup final, the Doctor helped Edward Grainger to entrap Scanlon, a time meddler who had been stealing famous paintings throughout Earth's history. The Doctor frightened Scanlon away from Earth by threatening him with Time Lord retribution if his meddling continued. (PROSE: The Church of Football)

The Doctor and Peri went to the medieval village of Sair and discovered the elders of the town were using witchcraft to ensure the population's survival. One of the elders, Tabilibik, cast a spell on Peri that made her fall in love with him and become his devoted slave. Assisted by the other elders, the Doctor broke the spell and ensured that Tabilibik was punished for abusing his powers. (PROSE: Fascination)

On early 21st century Mars, the Doctor and Peri arrived inside the final resting place of the Ice Warrior, Izdaal. After discovering a team from the Argosy enter the tomb at the same time, the Doctor, Commander Lee Forbes and Pilot Susan Roberts travelled to the centre, where the Ice Warriors that guarded the tomb awoke from protecting Izdaal's body. While Peri went to the Argosy to pick up a survival suit, Sub Commander Sstast went to the Argosy to retrieve Peri and the others, but was knocked out by Paul Webster to create a clone army augmented by Ice Warrior biology and technology.

As the Argosy took off, it was fired at with missiles from the tomb, but the Doctor prevented the Ice Warriors from finishing them off. The Argosy crashlanded and Peri, Paul and Tanya Webster returned to the tomb of Izdaal.

After Paul took over an Ice Warrior mobile cannon with Tanya and the Doctor as hostage, Lord Zzaal agreed to take the Doctor's place for the safety of the tomb and allowing Paul access to the Ice Warriors' rocket. As the sun rose, the ultraviolet radiation from the "red dawn" burnt Zzaal to death. With Zzaal no longer in mortal danger, Ssast fired a sonic charge at Paul without endangering Zzaal's life. The Doctor and Tanya ran from Paul and survived the attack, returning to the tomb. (AUDIO: Red Dawn)

Tracking members of the Celestial Intervention Agency, they set up a restaurant. They served the CIA food spiked with a vaccine to a virus the CIA members picked up while investigating the Doctor's recent actions on the planet Pointy. (AUDIO: Urban Myths)

On a trip to Egypt in 1400 BC with Peri, the Doctor became involved in a struggle with an alien parasite that infected people by touch and controlled them as a hive mind. They saved the young pharaoh Erimem from rebels and a conspiracy. Erimem decided to leave her throne to a distant relative and travel with them. (AUDIO: The Eye of the Scorpion)

They went to Paris in the 17th century. Peri was kidnapped after being mistaken for the French queen. (AUDIO: The Church and the Crown) They visited a market in the Garazone system. Erimem learned of a mystery in the Necromanteia system, where a war between humanoid soldiers and witches was being fought. The witches killed the Doctor. He entered a dreamlike plain and learned that the war was over a device to make someone immortal. The god of the witches resurrected him and they escaped before the planet exploded. (AUDIO: Nekromanteia)

Tracking an energy-generating glove to the East End, the Doctor found it in the posession of gangster Charlie Shutter. Fearful of the gloves growing power, the Doctor was forced to go on a crime spree with Charlie and his hitman, Jack. After a week of criminal activities, the Doctor and Charlie plotted to steal a second glove from Charlie's rival, Mickey Green. However, Charlie double-crossed the Doctor and ordered Jack to kill him, Peri and Erimem. The Doctor had secretly been giving the police infomation of Charlie's criminal activities, ending his empire and his freedom. After convincing Jack to change his ways, the Doctor took the gloves to a place where they couldn't, or be used to, cause chaos. (PROSE: The Gangster's Story)

A giant robot from the 64th century appeared in the TARDIS and pressured the Doctor into fulfilling his writing contract. They went to 1485 and met Richard III. Peri and Erimem were lost in time; the Doctor found the truth about who killed the princes in the tower and faced an unlikely enemy — William Shakespeare. (AUDIO: The Kingmaker)

Alone and an old friend
The Doctor dropped Erimem and Peri off for a party in Monte Carlo in 1966 and told them to prevent the theft of the Veiled Leopard. They spent most of the evening with the thief. (AUDIO: The Veiled Leopard) The Doctor, in the meantime, went to the Gogglebox inside the Moon, though his intended destination was the Ice Caves of Shabadabadon. The TARDIS detected unusual energy signatures which appeared throughout Earth history, including 1984 and 2006. He detected a television transmission which indicated that his future self was investigating in Fell's Point, Baltimore in September 1984 so he went to Brisbane, Australia on 22 September 2006.

While in Brisbane, he met an older Tegan Jovanka and a mysterious doctor, Katherine Chambers, who seemed to know about him. Tegan had contracted an alien brain tumour that was killing her. He offered to take her some place her tumour could be cured, but she was kidnapped by Katherine and an accomplice.

Katherine had been Peri's best friend when they were in school. In his next incarnation, the Doctor would be involved in a plot involving the Cybermen that would result in the paralysis of Katherine’s brother Nathaniel Chambers and the death of her father Anthony Chambers. Katherine kidnapped Tegan for the first patient of her new medical computer. The Doctor stopped Katherine and offered Tegan a chance to travel with him again, but she refused. She had grown accustomed to her life on Earth. (AUDIO: The Gathering)

Before collecting Peri and Erimem from 1966, the Doctor was involved in a plot involving time leakage and the Jariden Vault of Interstellar Curios. He was attacked by a legion of Daleks helped by a Jariden named Colonel Ulrik. The Daleks were trying to steal the Vault's contents. He met his eighth incarnation and used their two TARDISes to form a time loop. An older Ulrik appeared before him and sacrificed himself to help the Doctor defeat the Daleks. The Doctor then joined his sixth, seventh and eighth incarnations briefly before being returned to his own timeline. Afterwards, he had no memory of his brief encounter with his future selves. (AUDIO: The Four Doctors)

After the Doctor collected Peri and Erimem, the TARDIS crew encountered Dracula in 1462 (AUDIO: Son of the Dragon) and materialised on YT45. (AUDIO: The Mind's Eye)

The Doctor, Peri and Erimem answered a distress call from the Ice Warrior prince and ambassador, Zixlyr in the 41st century. Zixlyr had blown up an explosive within his ship to smuggle a Xanthoid volataliser onto Peladon after his sister, the previous ambassador to Peladon, Alixlyr, had disappeared; he claimed he had been attacked by Arcturans and knew that if he entered Peladon through more conventional means, the volataliser would have been detected. As the ship began to fall towards Peladon, part of the ship's hull broke off, leaving the TARDIS around Peladon's orbit and making escape impossible. The Doctor, Peri and Erimem helped Zixlyr safely crash land the ship as it entered Peladon's atmosphere, crashing it into a forest. Zixlyr and Peri went to the citadel of Peladon, while Erimem took care of the Doctor as he recovered.

An Aggedor, the daughter of the late Aggedor the Doctor had encountered in his third incarnation, began approaching the Doctor and Erimem. The Doctor used Erimem's signet ring to hypnotise and tame her. Queen Belldonia of the royal house of Peladon discovered them while on a hunt and escorted the Doctor and Erimem back to the citadel.

An explosion set off by the criminal Arktos and his accomplice, Elkin, had ripped apart the floor of the nearby mines, killing the miners inside. Within the wreckage, Erimem discovered a message in Egyptian hieroglyphs warning of the Osirian, Sekhmet, whom the Egyptians worshipped as a god. The Doctor found a secret passageway leading to Sekhmet's trisilicate tomb, where three of her four blood locks had been broken after she fed on the blood of three royal women, including Alixlyr and the newly-crowned King Pelleas' predecessor, Queen Elspera, and used the Aggedor to break down the door. Erimem offered her blood to Sekhmet, but had poisoned it with mandrake root that was inside her ring. Zixlyr grabbed onto Sekhmet and set the countdown on his volataliser. Zixlyr sealed the chamber, blowing himself up along with Sekhmet. The Doctor and Erimem escaped, but Erimem was still dying from her poison. Peri used the Time Lord biochemistry in the Doctor's blood to revive Erimem by performing a "very crude" blood transfusion on her.

King Pelleas proposed to Erimem, and she accepted. She parted company from Peri and the Doctor, staying behind to rule Peladon. The Doctor and Peri departed for the TARDIS, still in orbit around Peladon with the help of Alpha Centauri's ship. (AUDIO: The Bride of Peladon)

Second quest for the Key to Time
While on a rainy planet with Peri, the Doctor had discovered a compass, which was actually a segment of the Key to Time, from one of the derelict ships, The Green Man's Burden. After time was frozen on this planet, a sentient tracer sent by the Grace to collect the Key brought the TARDIS off course here, asking the Doctor if he could help her collect two more segments of the Key, which had been decaying after the Doctor put it together the previous time. The tracer turned the first segment into its original form and put it into a satchel leading to another universe.

Arriving on Mars in the distant past, the Doctor decided to name the Tracer "Amy", thinking she had agreed upon the name. Amy realised the segment of the Key was disguised as a capstone on the pyramid in the town. The Doctor and Amy were arrested and taken to Magistrate Isskar, accused of being thieves by Isskar's beadles. They were let go with a warning not to approach the pyramid. Understanding but disobeying the warning, inside the pyramid, the Doctor and Amy met another tracer whom already had one of the segments of the Key in her possession, along her assistant in her quest, Harmonious 14 Zink. The Tracer agreed to the Doctor's suggestion of "Zara", "just to shut you up". At the top of the pyramid, Zara touched the segment and turned it back into a crystal. This caused a gravity well to appear, causing massive changes to Mars' environment. Zara left with the segment using Zink's time ring. The Doctor, Amy and Zink jumped on board an approaching ship, and the Doctor piloted it to safety. Unable to help the catastrophe inflicted on Mars, the Doctor and Amy left in the TARDIS for their next destination.

The Doctor and Amy arrived inside a castle on the ring world of Safeplace about 16,000 years later. At a castle there, there was a succession dispute between the Valdigians, Lady Mesca and Wembik. The Doctor concocted an anti-venom for Mesca, whom Wembik had poisoned because she refused to allow Mesca's son to become king.

Meanwhile, the Ice Warriors, led by Isskar, now an Ice Lord, were guided to Safeplace by Zara to find the next segment, and began fighting the Valdigians. When the Ice Warriors were repelled, Amy worked out a compromise between Mesca and Wembik — they agreed to be married to one another, so that no matter whose son became king, he would also be the son of the other one. While the Doctor asked Isskar to speak to him, his men brought Amy outside the castle grounds.

Zara spent generations manipulating the Valdigians as well as the Ice Warriors. She realised the castle was the next segment and turned the segment into a crystal, trapping the Doctor, the TARDIS, the Valdigians and Isskar inside. The Doctor struggled to hold on, before Amy, having received the segment in her battle with Zara, turned the segment back into a castle, allowing the Doctor, the Ice Warriors and the Valdigians to escape; the Ice Warriors took the TARDIS outside. Amy then turned it back into a crystal and placed it into her satchel.

The Ice Warriors took the Doctor and Amy onto Isskar's ship to take them a tribunal; Isskar confiscated the segments and sent the TARDIS overboard while the ship was in hyperspace in the event of the Doctor and Amy's escape. Zara, being unable to detect Amy's segments, travelled back in time with the time ring, having "wrecked the controls" of the ship. The ship was on a collision course with the red giant, Leboon. Isskar showed Amy her segments, hidden outside time inside a strongbox, which Amy opened. When the last escape pod was taken, leaving the Doctor and Amy behind, the Doctor tried fixing the ship, before the Black Guardian intervened, telling the Doctor that he hoped the Doctor could explain the situation. (AUDIO: The Judgement of Isskar)

The following location in the quest was Sudan in the 9th century. (AUDIO: The Destroyer of Delights)

Meanwhile, the final piece was found on the planet, Chaos, where he met Romana and Princess Astra. The Doctor discovered that after the key was scattered the last time, Romana had become the final segment of it. To save Romana's life, Astra offered to become the final segment instead, even if it involved her dying to do so. When the White and Black Guardians arrived to try to take the Key away from the Doctor, the Doctor threw it into the Chaos Pool, where it was destroyed, preventing the degradation that it was causing to the universe. While the Guardians left empty handed, Romana returned to Gallifrey, allowing Amy and Zara to accompany her. (AUDIO: The Chaos Pool)

Death
Directly after an adventure involving two Peris and a Piscon in California, 2009, (AUDIO: Peri and the Piscon Paradox) the Doctor and Peri arrived on Androzani Minor and were caught in a struggle over the precious mineral spectrox. As they dealt with gun runners, government troops, crooked politicians and a masked madman called Sharaz Jek, the Doctor and Peri were exposed to raw spectrox and contracted the fatal Spectrox toxaemia. Through a perilous descent into the lower caves of the planet, the Doctor managed to get his hands on the only known cure for the poisoning, the milk of a queen bat, but he was only able to recover one dose. He then chose to give Peri the dose, saving her life at the cost of his.

Succumbing to the poisoning, the Doctor collapsed on the floor of the TARDIS, not entirely sure if he would regenerate, as it felt "different this time." Seeing a vision of his former companions urging him to fight on, followed by a vision of laughing at him and telling him to die, the Doctor regenerated into his sixth incarnation. The last word the Fifth Doctor said before he regenerated was, "Adric?" (TV: The Caves of Androzani)

During his regeneration, tried to interfere via Kamelion's lingering connection to the TARDIS, but the Doctor was saved by an older Nyssa who connected with him in his mindscape. (AUDIO: Winter)

Undated/unrecorded adventures

 * The Fifth Doctor attended Alistair Gordon Lethbridge-Stewart's funeral, as did all of his other incarnations. (PROSE: The Gift)
 * River Song met the Fifth Doctor, noting his obsession with the Eye of Harmony, which she believed was a night club. As with all her trips into the Doctor's past, she wiped his memory with mnemosine recall-wipe vapour so as to avoid contaminating the timeline. (GAME: The Eternity Clock)
 * The Doctor and Tegan had "a particularly lively visit" to the planet Nocturne. (AUDIO: Nocturne)
 * The Doctor and Nyssa met P. G. Wodehouse. (AUDIO: Autumn)
 * The Doctor had numerous encounters with Darzil Carlisle, assisting him with negotiations for dozens of peace treaties across the galaxy. These occasions earned Carlisle the reputation as a notorious peace negotiator, and as a symbol of galactic peace. (AUDIO: The Game)
 * At some point during his fifth incarnation, UNIT contacted the Doctor to inform him that his TARDIS had been discovered encased in rock at Pompeii during an archaeological excavation in 1980. At the time, the Fifth Doctor's TARDIS was located in Hyde Park. (AUDIO: The Fires of Vulcan)
 * At one point, the Doctor was kidnapped by, as were his first, second, third, fourth, sixth and seventh incarnations. He gave the Graak advice about how to defeat a Sontaran. (GAME: Destiny of the Doctors)
 * The Fifth Doctor teamed up with all of his other incarnations to save Gallifrey from destruction at the end of the Last Great Time War. Due to the timelines not being synchronised, he had no memory of this event. (TV: The Day of the Doctor)

Alternative timelines

 * In an alternative timeline, the Doctor was able to save Adric. (PROSE: So Vile a Sin)
 * In another alternative timeline, the Doctor had his brain fried by a computer while substituting for a dead synch-op on the Sea Base in 2084. (PROSE: So Vile a Sin)
 * In another alternative timeline, the Doctor never went to Androzani Minor. (PROSE: So Vile a Sin)

Personality
This incarnation was probably the most open and vulnerable of all the Doctors. He was neither pretentious nor selfish and reacted to situations rather than starting them. He expressed his hopes and fears to his companions. His young appearance was reflected in the youthfulness of his companions, whom he treated like friends rather than subordinates. Adric's death affected him deeply. (TV: Earthshock)

Despite his youthful body and love of cricket, he was one of the least physical Doctors. He preferred to use talk and diplomacy to solve a problem. He was, however, still very capable when pushed to physical confrontations - he was able to best and disarm the Master, who was at the time posing as a French knight and regarded as one of the best duelists in all of France, in a swordfight. (TV: The King's Demons) He gained trust by proving himself instead of using his vast experience as an excuse to take charge. Indeed, he worked willingly under the leadership of others who had the strong command presence that he lacked. He could decipher the ingredients of a drink by smell alone; rosemary made him sneeze.

This did not mean he did not take charge in moments of frustration, as when confronted with the Tenth Doctor, who he described as a "skinny idiot". In an occasional reminder of his actual age, this Doctor would sport a pair of glasses when examining something. These were vanity "brainy specs", which he wore to make him look "a bit clever". (TV: Time Crash) He carried a Molenski Univarius that he claimed could fix anything. (AUDIO: The Axis of Insanity)

His humanity made him panicky and indecisive under pressure. He failed to execute Davros in cold blood (TV: Resurrection of the Daleks) and killed Kamelion reluctantly and only at the android's request. He did not move to help the Master. However, he seemed deeply upset by this after the Master's apparent death. (TV: Planet of Fire)

Of all the incarnations of the Doctor, the fifth showed the greatest abhorrence for violence, needless bloodshed and the pain and suffering of others. Despite this, violence and bloodshed dogged his footsteps in the massacre in Sea Base 4 in 2084 (TV: Warriors of the Deep) and the deaths of anonymous soldiers which led to Tegan's departure in London in 1984. The Doctor acknowledged that he had to mend his ways. (TV: Resurrection of the Daleks) Although this incarnation hated violence, he gunned down foes when he deemed it necessary. (TV: Earthshock, Arc of Infinity)

Although he and Tegan often argued, he told Lady Forster that she was "very dear" to him after he believed that she had been killed on 31 December 1926. (AUDIO: The Emerald Tiger)

Towards the end of his life, the Doctor displayed a more relaxed and controlled side. Even as he awaited execution on Androzani Minor, he was fiercely curious about the spectrox mined there. He also developed a sarcastic side, mocking Chellak's insistence on being addressed as "sir." Perhaps a combination of realising that his lifestyle begat violence and the weight of Adric's death led him to sacrifice himself to save Peri. It was telling that his last word was "Adric?" (TV: The Caves of Androzani)

When meeting his seventh incarnation, he was repulsed by his future self's manipulative nature. (PROSE: Cold Fusion)

Clothes
This Doctor had two similar outfits. Both were based on traditional cricket whites. So close were they to whites that he could take off his coat and play the sport without comments on his appearance. (TV: Black Orchid, COMIC: The Tides of Time)

His first outfit (TV: Castrovalva) was a long beige coat with red lining along the collars, sleeves, pockets and tails. He wore a stick of celery on his left lapel for his allergy to gases in the praxis range of the spectrum. If any were near, the celery would turn purple and he would eat it. He wore a white, long-sleeved cricket jumper with a red and black V-Neck pattern. Under that was a white dress shirt with a red interior and embroidered red question marks on the collars. His trousers were a unique pattern of brown and beige stripes. He also wore red or white socks and white plimsolls. He would top the look with a Panama hat that had a red band with a silver sequin pattern.

His second outfit debuted after his first was ruined. (TV: Warriors of the Deep) The coat's colour was slightly faded and the collar was shorter. The jumper had a pattern of thick red and black lines on the bottom, the V-neck and sleeves; the dress shirt had a green interior and the pattern of the trousers changed to thick, orange lines. He sometimes wore suspenders adorned with question marks and a beige coloured waistcoat that had a gold, white and red flower and plant pattern with this outfit (TV: Planet of Fire)

When his first incarnation was placed on trial for murder in London in 1963 as a result of killing a werewolf with a silver bullet, he served as one of the jurors, as did his second, third and eighth incarnations. On that occasion, he dressed more conservatively, wearing an ill-fitting grey suit. (PROSE: The Juror's Story)

Influence on later incarnations
After his regeneration, the Sixth Doctor hated having been this incarnation, telling Peri that "he had a feckless charm that was never really [him]." (TV: The Twin Dilemma) The Sixth Doctor's companion Evelyn Smythe said that he "seemed lovely" after observing him from afar. The Sixth Doctor was irritated by this statement. In spite of this, he admitted grudgingly that he enjoyed his fifth incarnation as "being him was like a holiday. A very wonderful holiday." (AUDIO: The 100 Days of the Doctor)

His seventh incarnation described him as "bland" and "not even one of the good ones" while his companion Roz Forrester did not trust the Fifth Doctor as she believed the fact that he seemed so trustworthy was suspicious. (PROSE: Cold Fusion)

While inside the Doctor's dreamscape, Ace discovered that this incarnation in the Doctor's subconscious had come to personify his future selves' conscience with his strong sense of compassion. (PROSE: Timewyrm: Revelation)

The Eighth Doctor was more fond of his fifth incarnation than his two immediate predecessors. He once described him as "terribly polite." (AUDIO: The Four Doctors)

His tenth incarnation expressed a fondness for this life. (TV: Time Crash) He saw him as a turning point. It was in his fifth incarnation when he began to enjoy himself, an ironic statement considering the darkness of Adric's death (TV: Earthshock) and the departures of Nyssa (TV: Terminus) and Tegan (TV: Resurrection of the Daleks). He admitted to his earlier self that certain aspects of his wardrobe and personality were influenced by his fifth incarnation. (TV: Time Crash)

His eleventh incarnation made at least two references that may have been influenced by this incarnation: he asked for some celery after a physically distressing decontamination (TV: Cold Blood) and encouraged Canton Delaware and Clara Oswald with the words "Brave heart" as he often had done with Tegan (TV: The Impossible Astronaut, The Crimson Horror).

When he contacted his younger self through an Ovid sphere in England in the 1920s, the Eleventh Doctor commented that his fifth incarnation was "grumpy" and "frowny" in part because he worried about being taken seriously due to his youthful appearance. (AUDIO: Smoke and Mirrors)

Casting
After the popular fourth incarnation, it was decided that the next incarnation should be played by an actor who was already firmly established in the British public's mind. Peter Davison was chosen, due in no small part to his popular and critically acclaimed role as Tristan Farnon in All Creatures Great and Small, a BBC series based on the books of James Herriot.

Richard Griffiths was considered for the role before Peter Davison was cast.

The age gap
Only 29 when cast, he remained "the youngest Doctor" until the 2009 hiring of 26-year-old Matt Smith. He was some eleven years younger than Tom Baker, the previous record holder, seven years younger than Paul McGann, and five years younger than future son-in-law, David Tennant. He was later recast as the Fifth Doctor in Time Crash in 2007, at which time he was 56, a year older than William Hartnell was during the filming of An Unearthly Child.

Bad hair years
To a degree never seen with any other regular character before or since, the Fifth Doctor was at the heart of a running continuity error. No make-up artist seemed to particularly care about the length of Davison's hair throughout season 19, despite the fact that it was known that serials were being recorded out of broadcast order.

Davison, a busy actor with other commitments, had his hair cut short at the beginning of Doctor Who's production blocks, because other projects like All Creatures required it. For reasons unclear, he was then allowed to grow his hair several inches while filming as the Fifth Doctor. However, since the episodes aired out of order, his hair length quite obviously varied.

Were it not for the fact that most serials of season 19 narratively dovetailed into each other, it might be possible to simply believe that the character simply liked to go to the barber shop between stories. Unfortunately for this theory, Four to Doomsday was narratively tied to the beginning of Kinda, so the jarring hair growth can only be regarded as a production error.

Davison cut his hair prior to each season, and the production team allowed him to grow it throughout each of his production blocks. However, Snakedance was the final story of his tenure broadcast out of production order, and Arc of Infinity didn't obviously lead into it. Thus, although Davison was again allowed to grow his hair throughout the production of seasons 20 and 21, it never amounted to the kind of production error it was throughout season 19.

It's frequently remarked by Davison on DVD commentaries that real fans can tell the production order of episodes by the length of the Fifth Doctor's hair.

Brainy specs
In several DVD commentaries, Peter Davison claims he abandoned his half-moon glasses because Janet Fielding teased him when he used them. Fielding seemed to agree with this assessment on the commentary for Earthshock.

Celery
Davison agreed to wear a stick of celery on his lapel on the understanding that JNT would eventually have a writer explain the bizarre fashion statement. Though Davison thought the explanation would come earlier, the mystery was at last revealed in his final story. (DCOM: The Caves of Androzani) Ironically, Davison hated celery. When he was required to eat celery during the recording of Castrovalva, he found it deeply unpleasant. (DCOM: Castrovalva)

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