Theory:Timeline - Fourth Doctor

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This page lists appearances of the Fourth Doctor in the order in which he experienced them. This timeline is based on observations of the Doctor Who universe and the events in each of these stories. From these observations we have attempted to build a concise timeline. It is assumed, much like their TV story counterparts, that each novel or audio series their published/numbered order is the order they occur in[statement unclear]. There are also many gaps between stories.

The layout of this timeline is based in part on the observations on Doctor Who Reference Guide and Doctor Who - The Complete Adventures, Lance Parkin's AHistory and other sources that allow us to make observations, such as DocOhoReviews, Doc Oho's Book Reviews, The History of the Doctor, The Discontinuity Guide, Clive Banks Databank, Whopix, the Big Finish forums and The Divergent Universe forums. None of these sources should be used solely as a source or considered a "true" timeline for stories.

Limiting factors

Companions

Due to the nature of travel throughout season 12, any story featuring TARDIS travel with Harry Sullivan (other than TV: The Ark in Space) must take place after TV: Revenge of the Cybermen and before TV: Terror of the Zygons. Any story with Sarah Jane Smith must take place before TV: The Hand of Fear. Any story with Leela must take place after TV: The Face of Evil and before TV: The Invasion of Time. Any story with K9 Mark I must take place after TV: The Invisible Enemy and before TV: The Invasion of Time. Any story with K9 Mark II must take place after TV: The Invasion of Time and before TV: Warriors' Gate. Any story with Romana I must take place after TV: The Ribos Operation and before TV: Destiny of the Daleks. Any story with Romana II must take place after TV: Destiny of the Daleks and before TV: Warriors' Gate. Any story with Adric must be set after TV: Full Circle.

Costume

The Fourth Doctor has an advantage when dating his stories due to his costume. The Doctor started out with a small red coat, a rainbow scarf, and blue jeans. His coat soon grew to a larger deep brown coat. Eventually, his costume turned into the "red" version. This makes dating very simple when looking at how the Doctor is dressed.

Timeline

A new body

The Doctor regenerates from his previous incarnation inside his UNIT laboratory with the aid of K'anpo Rimpoche.
Set immediately after Planet of the Spiders, with the Doctor's regeneration stabilising. Though he intends a fresh start by leaving UNIT behind, the Doctor accepts Sarah's offer to let her travel with him. UNIT doctor Harry Sullivan follows them into the TARDIS.
Sneaking away from UNIT during the events of Robot, the Doctor visits the Mordee colony, and attempts to repair Xoanon.
The Doctor visits Pesca and has his first encounter with Zor.

The Nerva Beacon

Harry is taking his first trip in the TARDIS, setting this directly after Robot. The TARDIS crew arrive at the Nerva Beacon due to Harry fiddling with TARDIS, and volunteer to beam down to Earth to do repairs, leading directly into The Sontaran Experiment.
The TARDIS crew fix the faulty equipment on Earth and beam back to the Nerva Beacon.
Set immediately after The Sontaran Experiment. The Time Lords intercept to transmat beam and give the Doctor a Time Ring and a mission on Skaro, where the Doctor meets Davros and witnesses the creation of the Daleks.
The Doctor, Sarah and Harry are scattered across the Adelphine Cluster due to temporal disruption interfering with the Time Ring, setting this immediately after Genesis of the Daleks. The Doctor claims to be 748-years-old.
The Doctor, Sarah and Harry are still using the Time Ring, setting this shortly after Genesis of the Daleks.
Just as they retrieve the TARDIS from the Nerva Beacon, the TARDIS crew receive a summons from the Brigadier, leading into Terror of the Zygons.

Returning to UNIT

The TARDIS still needs time to recover from the solar flare radiation from Revenge of the Cybermen.
The Doctor is attempting to travel to Scotland, but the TARDIS is knocked off course and arrives on the Zephyr instead.
The Doctor and his companions expect to find the Loch Ness on exiting the TARDIS, setting this shortly before Terror of the Zygons.
The Doctor, Sarah and Harry are wearing their costumes from Terror of the Zygons. The TARDIS is knocked off course after an attempt to get to Scotland. After returning Godric to the arthurian times, the TARDIS makes its way to Scotland, leading into Terror of the Zygons.
Ending leads directly into Terror of the Zygons.
The TARDIS crew make it to Scotland, and Harry decides to remain on Earth with UNIT.

Journey to London

Set immediately after Terror of the Zygons, with the TARDIS having just left Loch Ness for London.
The Doctor and Sarah are trying to get back to London, and the Doctor claims to have travelled over 30,000 years to get to the 17th century, implying that this takes place immediately after Planet of Evil. The Doctor is blamed for the Great Fire of London, setting this before Pyramids of Mars.
Sarah and the Doctor are still wearing the clothes they wore in Planet of Evil. Sarah Jane asks the Doctor to take her home, suggesting that they are still trying to get back to London.
The Doctor and Sarah are still trying to get back to London.
The Doctor and Sarah visit Beta Osiris. Sarah recalls their encounter with Sutekh, setting this after Pyramids of Mars.
The Doctor is wearing a burgundy coat, and Sarah observes that he has been moody as of late, setting this shortly after Pyramids of Mars.
The Doctor and Sarah make it to London after leaving for it in Terror of the Zygons, and enduring side-tracks during Planet of Evil and Pyramids of Mars.

Association with UNIT

The Doctor and Sarah Jane return to UNIT HQ, and base themselves on Earth, with the Doctor staying at a cottage and resuming use of Bessie, (COMIC: Death Flower, Return of the Daleks) while Sarah Jane continues working as an investigative reporter. (COMIC: The Hoaxers) However, they frequently take side trips, and are often accompanied by Harry. (PROSE: A New Life, The Hospitality on Hankus)
The Doctor and Sarah Jane both comment on getting used to the Doctor's new face.
The TARDIS is captured by a Renegade Time Lord called Shazar, however, with the Time Lords' help, the Doctor is able to retrieve his ship.
While working with UNIT, the Doctor does research into Richard III for his book, Doctor Who Discovers Historical Mysteries. (AUDIO: The Kingmaker)
The Doctor and Sarah leave UNIT HQ to take a trip in the TARDIS. The Brigadier is not happy and questions Harry on their whereabouts.
Though the book's blurb places this between Planet of Evil and Pyramids of Mars, the Doctor and Sarah aren't trying to get to London.
The Doctor and Sarah have faced Sutekh, and the TARDIS has its primary interior, setting this between Pyramids of Mars and The Masque of Mandragora. The Doctor claims the Brigadier will be angry if he returns without Sarah, and Sarah is excited to see the look on Harry's face when they tell him they met his great-grandparents.
Sarah recalls the events of The Android Invasion.
The Doctor alludes to the recent events of Terror of the Zygons and The Android Invasion. The TARDIS console room is white, setting this before The Masque of Mandragora.
The Doctor and Harry's cameo takes place immediately after The Last Broadcast.
The Time Lords take control of Bessie, and send the Doctor on a mission to defeat the Daleks on the planet Ercos.
The Time Lords direct the TARDIS to a synthetic jungle inside a space station.
The Time Lords direct the TARDIS to a vineyard in Italy so that the Doctor can save some art treasures.
The Doctor complains about the Time Lords "messing about with the TARDIS", setting this after the comic stories set between Return of the Daleks and Treasure Trail, where the Time Lord had been doing so.
Sarah refers to the recent events of The Brain of Morbius.
Sarah Jane was temporarily blinded on a recent adventure, setting this shortly after The Brain of Morbius.
Set a few days after Treasure Trail.
Sarah understands that it takes time for radio waves to travel between Mars and Earth, setting this after Pyramids of Mars.
Sarah claims it is Christmas in her time period.
The Doctor and Sarah visit Professor Chronotis at St Cedd's College in 1955. (PROSE: Cambridge Previsited)
According to the back cover, this is set between The Seeds of Doom and The Masque of Mandragora. It has been one month from her perspective since Sarah Jane last saw Harry.

Final adventures with Sarah

Set between The Seeds of Doom and The Masque of Mandragora.[source needed]
Sarah's absence is left unexplained.
The Doctor and Sarah go back in time to save the Eighth Doctor after he fails to kill a dictator as a baby.
The Doctor begins using the secondary control room in the TARDIS.
The Doctor is using the secondary control room, setting this after The Masque of Mandragora.
Sarah recalls the events of The Masque of Mandragora.
The Doctor is using the secondary control room, setting this after The Masque of Mandragora.
The Doctor is using the secondary control room, setting this after The Masque of Mandragora.
The Doctor and Sarah attend the coronation of Elizabeth II.
Sarah is wearing her Andy Pandy clothes, setting this shortly before The Hand of Fear.
Sarah decides she has had enough of life in the TARDIS, and the Doctor receives a summons from Gallifrey, forcing him to leave Sarah behind. Ending leads directly into The Deadly Assassin.

Companionless travels

The Doctor crosses wits with the Decayed Master on Gallifrey.
The Doctor broods over the lives lost on Gallifrey during The Deadly Assassin.
The Doctor visits Sarah Jane Smith to give her a proper farewell.
The Doctor is travelling alone, and still feels melancholy because "she" is no longer with him.
The Doctor mentions recently traveling through a virtual jungle, as he did in The Deadly Assassin, and the TARDIS's secondary control room is being used.
The Doctor refuses to answer a summons from his first incarnation. (PROSE: Five Card Draw)
Set a few weeks after The Deadly Assassin in an alternate timeline.
The Doctor is traveling alone in his bohemian attire. Images of Davros, Morbius, and the Decayed Master are in his mind, setting this at least after The Deadly Assassin.

Old friends

The Doctor is using the secondary console room.
The Doctor has helped Shakespeare write Hamlet, setting this after The Stranger, The Writer, His Wife and the Mixed Metaphor.
The back cover of the book sets this between The Deadly Assassin and The Face of Evil.

Temporary companions

The Doctor is traveling with Joan Brown.
The Doctor is being assisted by Miss Young while he takes Bessie to investigate a meteorite crash in Scotland.
As a favour to the ruler of Xenon, the Doctor takes Milena for a trip in the TARDIS.

New acquaintances

The Doctor meets Nyssa for the first time, but she is already well acquainted with him due to a future encounter.

First adventures with Leela

Following her banishment from the Sevateem tribe, Leela forces her way into the TARDIS, joining the Doctor in his travels.
Though the book's blurb places this after The Robots of Death, Leela believes the TARDIS is possessed and the Doctor is highly irritated by her presence, setting this immediately after The Face of Evil.
Leela visits Earth for the first time, although her experience there is erased from the timeline.
The Doctor uses a Time Ring to send Leela back into his second incarnation's TARDIS. Leela's eyes are brown and she refers to the Doctor as "the Evil One" out of habit, setting this shortly after The Face of Evil.
The secondary console room is still in use, setting this before The Invisible Enemy. Leela has only recently joined the Doctor, and fears she will be abandoned after angering him.
The Doctor explains transdimensional engineering to Leela, and is happy to have her in his company. He claims to be 750-years-old.
Leela has not heard of the Brigadier, setting this before The Revisionists.
Leela feels that she has been travelling with the Doctor for a few days, and has not had much fresh air due to travelling "between boxes" since she left her tribe. She yearns to be outdoors again. She mentions the Storm Mine 4, setting this after The Robots of Death.
The events of The Robots of Death are still fresh in Leela's mind.
Though Leela is depicted dressed in her second attire, the book's cover places this between Last Man Running and The Talons of Weng-Chiang.
Leela still shows particularly violent tendencies, setting this early in her travels.
Leela has never seen a horse before, setting this before The Talons of Weng-Chiang.
Leela has only been traveling with the Doctor for a few weeks, but has seen spaceships.
Leela is still new to traveling in the TARDIS, but has come to see the Doctor as part of her "tribe".

Educating Leela

Battling Magnus Greel in 1889 London, the Doctor and Leela are aided by Henry Gordon Jago and Professor George Litefoot.
The Doctor and Leela have just parted ways with Jago and Litefoot, setting this immediately after The Talons of Weng-Chiang.
Leela refers to the events of The Talons of Weng-Chiang.
The Doctor and Leela have just visited the Morovanian Museum, setting this immediately after The Renaissance Man. Leela is aware of the concept of money. The Doctor decides to take Leela to visit the 21st century, leading directly into Energy of the Daleks.
The Doctor attempts to bring Leela to the year 2015, however they arrive in London 2025 instead and encounter the Daleks. Leela recalls her previous visit to London in The Talons of Weng-Chiang.
Ending leads directly into The Oseidon Adventure.
The Doctor and the Master meet for the first time since The Deadly Assassin.
Back cover places this between The Talons of Weng-Chiang and Horror of Fang Rock. The Doctor and Leela visit London, setting this after Energy of the Daleks. Leela recalls visiting a different part of London in The Talons of Weng-Chiang and recognises horses from that adventure.
Leela recalls the Victorian theatre from The Talons of Weng-Chiang.
In her travels with the Doctor, Leela has seen "false gods", metropolitan cities, and "Old Earth", but does not know about Christmas.
The Doctor is currently using the secondary console room, setting this before it was disused in The Invisible Enemy. He indicates that he has had a recent encounter with the Master. Leela does not know about regeneration.
The Doctor and Leela discuss their previous visit to London from The Talons of Weng-Chiang. Leela has a limited ability to read English.
Leela is still wearing Victorian clothing from The Ghosts of Gralstead.
Leela is still learning from the Doctor, setting this early in her adventures with him.
Leela views jeans as ridiculous, setting this before Horror of Fang Rock.
The Doctor teaches Leela about money for the first time, setting this after Empathy Games.
Set a few days after The King of Sontar. Leela is able to read on her own.
Leela recalls her previous encounter with the Master in The Oseidon Adventure.
Leela's reading level has advanced to the point where the Doctor is having her read him the works of Shakespeare. She also knows about policemen, setting this after The Talons of Weng-Chiang.
Leela still has brown eyes, setting this before Horror of Fang Rock.
The Doctor is using the secondary control room. He hears the Sixth Doctor's voice through the temporal distortion and decides to make an emergency landing after spilling his Ginger beer on the TARDIS console.
The Doctor arrives on Hellan with Leela after making an emergency landing. (AUDIO: Collision Course)
The secondary console room is still in use, setting this before The Invisible Enemy.

Continued travels with Leela

Due to pigment dispersal from witnessing an explosion, Leela's eye colour changes from brown to blue. She also wears jeans for the first time.
Leela is wearing clothing similar to her clothes from Horror of Fang Rock.
Leela is wearing trousers, setting this after Horror of Fang Rock.
In 18th century Japan, the Doctor and Leela fight Inek of the Orimsei as he tries to use a dimensional gateway to escape, at the risk of the Japanese population. (AUDIO: Time in Office)
Leela is wearing jeans, setting this shortly after Horror of Fang Rock.
Leela refers to the events of Horror of Fang Rock.
Leela does not know about regeneration. The Doctor starts a fire to destroy all trace of the Z'nai virus.
The TARDIS' secondary console room is damaged by the fire started in The Catalyst. The Time Vampire later confirms that this was the reason they moved console rooms, setting this immediately before The Invisible Enemy. Leela is unfamiliar with the concept of money.

Adopting K9

The Doctor closes the secondary console room for redecoration, and takes Leela to the main console room for the first time as he moves back in to it. Leela is still learning to write her name. K9 is adopted by the Doctor on Professor Marius's insistence.
Leela decides to leave the TARDIS to remain with Marshall, however she is kidnapped by the Decayed Master after the Doctor leaves.
According to K9, it has been roughly five day the events of Requiem for the Rocket Men, however the Doctor hasn't "heard the voice of another living being" in the interim. Leela returns to the TARDIS.
Ending leads directly into Return to Telos.
Leela sees K9's internal circuitry for the first time, setting this before Image of the Fendahl.
Leela has changed into a new set of clothes, and K-9 is suffering from "corroded circuitry".
The Doctor attempts to destroy the Fendahl skull by firing it into the Canthares supernova. (AUDIO: The Dalek Trap)
The Doctor is hunting a second Fendahl skull, setting this shortly after Image of the Fendahl.
Leela recalls being temporarily blinded during Horror of Fang Rock.
Leela mentions the Fendahl, setting this after Image of the Fendahl.
The Doctor is teaching Leela about chess, likely setting this just before The Sun Makers.
Leela has changed back into her first outfit.
Leela remembers seeing the steel hives of the Sun Makers during The Sun Makers.
Leela and K9 are kidnapped by Adam Mitchell, leading directly into Endgame.
The Doctor joins with his other incarnations to rescue Leela and K9 from Adam and the Tremas Master, and assists the other Doctors in saving their companions as well.
Leela is once again wearing her second outfit.
Leela is dressed in her second outfit with her hair down, setting this, and the rest of the seventh audio series, between Underworld and The Invasion of Time.
Ending leads directly into The Demon Rises.
Ending leads directly into The Age of Sutekh.
Months have passed since the secondary control room was destroyed by the fire in Empathy Games. K9 Mark I has been behaving oddly, prompting the Doctor to begin gathering the parts needed to build K9 Mark II.
After the Doctor uses his position as Lord President to propel an invasion of Gallifrey, Leela decides to stay on Gallifrey to marry Andred, and K9 elects to stay with her. Alone in the TARDIS, the Doctor decides to begin work on K9 Mark II.
Set during The Invasion of Time, when the Doctor is moving around the Capitol.
The Doctor makes a message about the Timewyrm as a warning for himself using information he learnt from the Matrix during The Invasion of Time.

After the Presidency

These stories are set shortly after The Invasion of Time, with the Doctor having just left Leela and K9 Mark I on Gallifrey, but not having yet opened the K9 Mark II container.
The Doctor says that his previous companion has just departed for "pastures new", the implication being that he is referring to Leela staying on Gallifrey.
The Doctor is still building K9 Mark II and stores him in a box on the TARDIS console room floor.

Nest Cottage

The Doctor arrives in Hexford and begins investigating the Hornets. He uses Nest Cottage as his base of operations.
A week has passed since The Stuff of Nightmares. The Doctor meets Fenella Wibbsey and brings her back to 21st century Hexford, where she becomes his housekeeper at Nest Cottage. He discovers that the Hornets have encountered him before in 1832, and decides to go there to continue his investigation, leading directly into The Circus of Doom.
The Doctor rescues Captain the Wolfhound from the Hornets and brings him back to Nest Cottage.
A few weeks after his arrival in Hexford, the Doctor invites Mike Yates to Nest Cottage and tells him of the recent events of The Robots of Death, The Talons of Weng-Chiang, and Image of the Fendahl. The Doctor begins to recount his encounters with the Hornets since his arrival at Nest Cottage to Mike, (AUDIO: The Stuff of Nightmares) such as his visit to Cromer in 1932, (AUDIO: The Dead Shoes) Blandford in 1832, (AUDIO: The Circus of Doom) and finally Northumbria in 1036. Once he has brought Mike up to speed with his encounters with the Hornets, the Doctor decides to seek out the Hornet Queen, leading into Hive of Horror. (AUDIO: A Sting in the Tale)
The Doctor recalls the events of The Invisible Enemy. The Doctor departs Nest Cottage and leaves Captain under the care of Mike. He alludes to having K9 waiting in the TARDIS.

A return to wandering

The Doctor helps in the saving of Gallifrey on the last day of the Last Great Time War, and, in the novelisation, has a tea party with his other incarnations in the Under Gallery as a celebration. He is using the main console control room.
A photograph depicts the Doctor in his "post-Underworld" appearance. No mention is made by Tiger of him travelling with another companion.

Revisiting old adventures

Returning to Nest Cottage

The Doctor returns to Nest Cottage after a year of traveling. Despite the events of The Wrath of the Iceni, the Doctor claims not to have visited the 1st century since his last regeneration, setting this before The Doctor's Cross Word.
Follows on directly from The Relics of Time.
Follows on directly from The Demon of Paris
Follows on directly from A Shard of Ice.
Follows on directly from Sepulchre.
Follows on directly from Tsar Wars.
Follows on directly from The Broken Crown. The Doctor leaves Nest Cottage once more.

Exploits with Ann Kelso

The Doctor meets WPC Ann Kelso and she joins him as his companion. K9 MK II has yet to be built, with his parts in a box on the TARDIS console room floor.
Set immediately after The Sinestran Kill. The Doctor fully assembles and activates K9 MK II, and Ann takes her first trip to an alien planet.
K9 is still recharging after the recent events of Planet of the Drashigs.
Follows on directly from The False Guardian.
The Doctor and Ann have just ejected the Chronon Wave Front from the TARDIS and are pushed back in time, setting this immediately after Time's Assassin.
Following the revelation that Ann is in fact a Time Agent called Anya Kingdom, the Doctor and K9 part ways with her.

Lone travels with K9

The Doctor is illustrated as traveling with K9 in the TARDIS.
In an alternate timeline created by Rassilon and the Cybermen, K9 is cyber-converted during a Cyberman attack.

Looking for K9

K9 is kidnapped, and the Doctor travels alone trying to find him.
The Doctor finds K9.

Unfinished business at Nest Cottage

The Doctor has spent much longer than nine months away from Nest Cottage.
The Doctor and Mrs Wibbsey go on many adventures on their way to saving Yates and all of Hexford. (AUDIO: Survivors in Space)
The Doctor departs from Nest Cottage again.

Quest for the Key to Time

The Doctor is given a quest by the White Guardian to assemble the Key to Time before the Black Guardian can, and is assigned Romana as an assistant. The Doctor claims to be 756-years-old, but Romana tells him he is really 759-years-old.
Romana is wearing her outfit from The Ribos Operation.
Set between The Ribos Operation and The Pirate Planet, according to the back cover. The Doctor has only collected the First Segment so far. It is misplaced after Romana decides to study it and the Doctor sets about looking for it.
Set the morning after The Ribos Operation, with the Doctor sealing away the First Segment.
The Doctor and Romana have just recovered the Second Segment, setting this immediately after The Pirate Planet. The Doctor takes Romana to Earth for the first time.
The Doctor and Romana have just left Earth after recovering the Third segment of the Key to Time, setting this immediately after The Stones of Blood.
The Doctor is taking a break from his quest.
Throughout the Doctor Who Annual 1980, the Doctor is travelling with Romana I and K9, but is not trying to assemble the Key to Time, nor is he using the randomiser, setting these stories during the break from the quest that ended in Heart of TARDIS.
The Doctor is forced to resume his quest for the Key to Time.
The Doctor and Romana are searching for the Fourth Segment, setting this shortly before The Androids of Tara.
The Doctor and Romana are looking for the Fifth Segment, setting this shortly before The Power of Kroll.
The Doctor and Romana investigated a mysterious painting. (AUDIO: Tales from the Vault)
The Doctor and Romana are looking for the Sixth Segment, setting this shortly before The Armageddon Factor.
The Doctor and Romana complete their quest to assemble the Key to Time, but the Doctor orders it to disperse itself to stop the Back Guardian claiming it. The Doctor installs a randomiser into the TARDIS to elude the vengeful Black Guardian.

Hiding from the Black Guardian

The Doctor and Romana are hiding from the Black Guardian in 1929 Hampshire, while K9 pilots the TARDIS around the universe to throw the Black Guardian off the Doctor's trail.
The Doctor and Romana are taking a holiday in 1929 Antibes without K9, setting this during The Auntie Matter.
The Doctor has only recently installed the randomizer.
The Doctor's companion is wearing "a neat designer dress straight from the pages of a magazine", a description matching the first incarnation of Romana.
Ending leads directly into War Against the Laan.
K9 is damaged after being affected by the time slippage.
The Doctor gives his age as 760-years-old.
Set one month after War Against the Laan, with K9 fully repaired from the damage caused by the time spillage.
Romana encounters the Daleks for the first time. Ending leads directly into The Final Phase.
Romana elects to continue travelling in the TARDIS instead of returning to Gallifrey.
The Doctor arrived in Prague due to the randomiser, setting this after The Armageddon Factor.

The new Romana

Romana regenerates into a new body. The Doctor encounters Davros for the first time since Genesis of the Daleks.
Set concurrently with Destiny of the Daleks.
Romana is still wearing her outfit from Destiny of the Daleks.
Romana is still wearing her outfit from Destiny of the Daleks.
Romana's recent regeneration is referenced, setting this shortly after Destiny of the Daleks.
The Doctor plans to take Romana to Paris, leading into City of Death.
The Doctor and Romana fight Scaroth in 1979 Paris with the help of Duggan. The Doctor hasn't used his sonic screwdriver since Destiny of the Daleks.
Romana has recently been to Paris, setting this shortly after City of Death.
Set on the same day as The Not-So-Sinister Sponge, Do You Love Anyone Enough? and Better Watch Out, Better Take Care.
The Doctor, Romana and K-9 attend the Queen's re-coronation, and are spotted by the Brigadier.
The Doctor, Romana and K-9 attend the Mars Conference, and have a run in with Bernice Summerfield.
Romana notes that she and the Doctor have been to Paris recently, setting this shortly after City of Death.
Romana encounters Ogrons with the Doctor for the first time, although she has already heard of them.
According to the back cover, this is set between The Creature from the Pit and Nightmare of Eden. Romana has her own sonic screwdriver.
According to the back cover, this is set after The Romance of Crime. In the audio adaptation, the Doctor mentions recently visiting Paris, setting this shortly after City of Death.
Set during Nightmare of Eden.
The Doctor mentions recovering from the events of Nightmare of Eden.
Though the audio's blurb places this between Shada and The Leisure Hive, Romana does not yet have a sonic screwdriver, setting this before The Horns of Nimon.
The Doctor acquires a chrono-historical stress gauge.
The Doctor is still using the chrono-historical stress gauge from The Little Things.
The Doctor's the chrono-historical stress gauge has been broken.
Romana refers to the events of The City of Death as being a year ago, before the Doctor spends a few weeks away from her.
Romana reveals she has her own sonic screwdriver.
The Doctor knows about Romana's sonic screwdriver, setting this after The Horns of Nimon.
The Doctor and Romana are still worried about the Black Guardian's revenge, and Romana possess a sonic screwdriver, setting this after The Horns of Nimon.
Ending leads directly into Legacy of Death.
The events of Shada are overwritten by The Five Doctors, and later experienced by the Eighth Doctor. Upon returning to the TARDIS, the Doctor decides to go to Brighton. In the novelisation, set without the interference of The Five Doctors, the Doctor claims to be 760-years-old.
Set during The Five Doctors, when Romana and the Doctor are trapped by the time scoop.
The Doctor and Romana encounter one of the escaped minds from Skagra's machine in 1976 Cambridge.
Wiping his own memory, the Doctor locks Shada away in a forgotten part of space.

After Shada

The Doctor is trying to get to Brighton Pavillion.
The Doctor is trying to get to Brighton, setting this shortly after Shada.
The Doctor is beginning to think that the Black Guardian has grown bored of revenge on him and Romana.
Ending leads directly into Casualties of Time.
Romana has a sonic screwdriver, setting this after The Horns of Nimon.
The Doctor recalls the events of Shada.
Set between Shada and The Leisure Hive.[source needed]
The Doctor and Romana visit Hellan. (AUDIO: Collision Course)
According to the back cover, this is set between Shada and The Leisure Hive. The Doctor and Romana recall their previous encounter with Menlove Stokes in The Romance of Crime. The Black Guardian tracks the Doctor and Romana down, but is defeated and entrapped in the Time Vortex by the Doctor, but the Doctor and Romana also get trapped in the vortex in the ordeal.

Lone adventures with K9

During the early Doctor Who Magazine issues, the Doctor is traveling with K9 Mark II without Romana, while wearing his bohemian clothing and having the randomiser activated. In Timeslip, he expresses a desire to contact Romana, suggesting that the two have been separated by forces beyond their control.
The Movellans appear in the Doctor's vision, setting this after Destiny of the Daleks.

K9 and Sharon

The Doctor refers to the Black Guardian, setting this after The Armageddon Factor. After capturing war criminal Beep the Meep, the Doctor offers Sharon Davies a trip home in the TARDIS. According to the the audio adaptation, in which K9 is absent, the Doctor is currently traveling with Romana.
Set immediately after Doctor Who and the Star Beast, with the Doctor failing to return Sharon home.
Sharon is forcibly aged four years by a malfunctioning chrono-compensator. The Doctor claims to be losing track of his true age.
The Doctor is able to return Sharon to Blackcastle, but she is uncertain if she wants to stay.
Sharon, feeling her aging has made it impossible to return home, leaves the TARDIS to stay with Vernon Allen on Unicepter IV.

More adventures with K9

The Doctor has changed his clothes to a burgundy design, and the randomiser is still in effect.

Final voyages with Romana

The Doctor and K9 somehow reunite with Romana, and she resumes traveling with them.
After switching his old clothes for a burgundy design, the Doctor decides to take Romana to Brighton.
Romana is surprised that the Doctor now wears a burgundy coat, feeling it reflects a more morose and sombre mood.
The Doctor is wearing his burgundy costume.
The Doctor is wearing his burgundy costume.
The Doctor refers to the events of Doctor Who and the Iron Legion. The Doctor is wearing his burgundy costume.
Authorial intent places this story, and the rest of the Series 6 audios, early in Season 18[1], with the Doctor wearing his burgundy clothing, the Randomiser still effect, and the season's new theme tune being used.
The Doctor is still trying to get to Brighton.
After a holiday in Brighton, the Doctor completely removes the randomiser to give it for the Tachyon Recreation Generator on Argolis. K9 is damaged after rolling into the sea without his sea water defences.
K9 was recently damaged in Brighton, setting this shortly after The Leisure Hive. Ending leads directly into The Thief Who Stole Time.
K9 is still damaged.
Romana is still wearing her costume from Brighton and K9 is still in a damaged state. After repairing K9, the TARDIS is contacted by the Time Lords, who order Romana back to Gallifrey.

Trapped in E-Space

En route to Gallifrey, the TARDIS gets sucked into E-Space via a CVE, where Adric stows away on the TARDIS.
Set during State of Decay.
Set immediately after State of Decay.
The Doctor and Romana have been in E-Space for two months. They encounter an artificially created CVE but it closes before they are able to return to N-Space through it. Following this adventure, Romana decides to stall returning to N-Space.
A Full Life implies that this is set after The Invasion of E-Space.
Adric mentions the imprisonments he endured during The Invasion of E-Space and O, Darkness. The Doctor and Romana die, but, after some years, Adric is able to change time so that they live.
Set between State of Decay and Warrior's Gate.[2] The Doctor has noticed that Romana is stalling their return to N-Space and questions her about it, setting this after The Invasion of E-Space. Ending leads directly into Chase the Night.
Romana's sonic screwdriver is destroyed, but she resolves to create a new one.
The Doctor, Romana, Adric and K9 have been searching for a CVE for months by now.
As the Doctor and Adric escape E-Space, Romana elects to remain and help the enslaved Tharils release themselves from captivity, with K9 staying with her due to damage from the time winds preventing him from crossings back into N-Space.

Return to N-Space

Set between Warriors' Gate and The Keeper of Traken, with Adric visiting his first planet in N-Space, while the Doctor cleans the TARDIS, saddened by Romana's departure.
Having recently returned to N-Space, the Doctor and Adric are summoned to Traken by the Keeper of Traken to deal with a Melkur. With the aid of Consul Tremas and his daughter, Nyssa, the Doctor and Adric foil the Decayed Master's plan to steal the Source.
At some point, the Doctor assembles K9 Mark III, and K9 begins travelling with him and Adric. (PROSE: Inter-Galactic Cat)
During Doctor Who Annual 1982, K9 Mark III has been assembled, and the Doctor is wearing his bohemian attire while traveling with Adric, but is illustrated in his burgundy coat for Just a Small Problem.

Final adventures

Sensing his time drawing to a close, (PROSE: Still Need a Title!) the Doctor drops K9 Mark III off for Sarah Jane, (TV: A Girl's Best Friend) which saddens Adric (PROSE: A Boy's Tale) and seems to lead into a period of separation between the two.
The Doctor returns to Nest Cottage in his burgundy coat, and shares an adventure with Mrs. Fenella Wibbsey.
Sequel to Junkyard Demon.
The Doctor is travelling alone and wearing his burgundy coat.
Set after The Thing from the Sea.[3] The Doctor visits Nest Cottage and has Mrs. Fenella Wibbsey as a companion. He is wearing his brown coat.
The Doctor is recruited by Bernice Summerfield to help Romana to fly a TARDIS. He recognises both Leela and Romana, setting this after Warriors' Gate.
The Doctor reunites with Adric for more adventures.
Accidently picking up Tegan Jovanka as a stowaway, the Doctor and Adric learn that the Tremas Master has stolen Tremas's body. Informed of his coming regeneration by the Watcher, the Doctor is reunited with Nyssa on Logopolis, where the Master accidently starts the collapse of the universe. Forced to join forces to broadcast a CVE signal from Pharos Project, the Doctor is critically injured after he falls from the antenna stopping the Master's betrayal, and is forced to regenerate into his next incarnation with the assistance of the Watcher.

Currently unplaced

These entries are placed here due to being part of an ongoing storyline that has yet to offer sufficient enough evidence to be placed in a specific part of this Doctor's timeline.

Awaiting placement

These entries are placed here until evidence presents itself that provides a clue as to where they happen in relation to other entries. Some of these are part of ongoing storylines that could present evidence towards the end of the plot.

References

  1. ↑ https://www.bigfinish.com/news/v/doctor-who-the-fourth-doctor-adventures-continue
  2. ↑ https://www.bigfinish.com/news/v/the-fourth-doctor-adventures-series-09-volume-1-is-released-today
  3. ↑ https://www.penguin.co.uk/books/1117638/doctor-who--the-winged-coven/9781787534445.html
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