Theory:Timeline - K9 Mark II

This page lists appearances of K9 Mark II 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.

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, The History of the Doctor, The Discontinuity Guide, Clive Banks Databank, 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.

Travels with the Doctor
''K9 Mark II is created by the Fourth Doctor, having left K9 Mark I with Leela on Gallifrey. (TV: The Invasion of Time)''


 * PROSE: Those Left Behind
 * The Doctor is still building parts of K9 MK II.


 * PROSE: Timevault


 * PROSE: Time Shear


 * PROSE: Machine Time


 * PROSE: The Doctor's Journal: Entry 2481/B-3


 * PROSE: Three Wise Men
 * The Doctor is illustrated as traveling with K9 in the TARDIS.


 * COMIC: K-9's Finest Hour: Prologue
 * K9 is kidnapped, and the Doctor travels alone trying to find him.


 * PROSE: The Doctor's Journal: Entry 3512/A-7


 * COMIC: Doctor Who and the Iron Legion


 * COMIC: City of the Damned


 * COMIC: K-9's Finest Hour: Epilogue
 * The Doctor finds K9.


 * COMIC: Prologue: The Fourth Doctor
 * In an alternate timeline created by Rassilon and the Cybermen, K9 is cyber-converted during a Cyberman attack.

Quest for the Key to Time

 * TV: The Ribos Operation
 * 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.


 * COMIC: The Seventh Segment
 * Romana is wearing her outfit from The Ribos Operation.


 * PROSE: Tomb of Valdemar
 * The book's blurb places this between The Ribos Operation and The Pirate Planet.


 * TV: The Pirate Planet
 * Set the morning after The Ribos Operation, with the Doctor sealing away the First Segment.


 * TV: The Stones of Blood
 * The Doctor takes Romana to Earth for the first time.


 * PROSE: The Shadow of Weng-Chiang
 * Romana refers to the event of The Stones of Blood.


 * PROSE: Prelude Falls the Shadow
 * The Doctor is taking a break from his quest.


 * PROSE: X-Rani and the Ugly Mutants


 * PROSE: Light Fantastic


 * COMIC: Terror on Xaboi


 * PROSE: Reluctant Warriors


 * COMIC: The Weapon


 * PROSE: Return of the Electrids


 * PROSE: The Sleeping Guardians
 * 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.


 * PROSE: Heart of TARDIS
 * The Doctor is forced to resume his quest for the Key to Time.


 * PROSE: Pericles


 * AUDIO: Ferril's Folly
 * The Doctor and Romana are searching for the Fourth Segment, setting this shortly before The Androids of Tara.


 * TV: The Androids of Tara


 * PROSE: The Glarn Strategy
 * The Doctor and Romana were looking for the Fifth Segment, setting this shortly before The Power of Kroll.


 * TV: The Power of Kroll


 * AUDIO: Tales from the Vault
 * The Doctor and Romana investigated a mysterious painting.


 * AUDIO: Luna Romana
 * The Doctor and Romana are looking for the sixth segment, setting this shortly before The Armageddon Factor.


 * TV: 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 getting it. The Doctor installs a randomiser into the TARDIS to elude the vengeful Black Guardian.

Further adventures with Romana

 * AUDIO: The Auntie Matter
 * 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.


 * AUDIO: The Stealers from Saiph
 * The Doctor and Romana are taking a holiday in 1929 Antibes without K9, setting this during The Auntie Matter.


 * PROSE: Good Queen, Bad Queen, I Queen, You Queen
 * The Doctor has only recently installed the randomizer.


 * PROSE: Doing Time
 * 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.


 * AUDIO: The Sands of Life
 * Ending leads directly into War Against the Laan.


 * AUDIO: War Against the Laan
 * K9 is damaged after being affected by the time slippage.


 * AUDIO: The Justice of Jalxar


 * AUDIO: Phantoms of the Deep
 * K9 is fully repaired from the damage caused a month prior by the time spillage in War Against the Laan.


 * AUDIO: The Dalek Contract
 * Romana encounters the Daleks for the first time. Ending leads directly into The Final Phase.


 * AUDIO: The Final Phase
 * Romana elects to continue travelling in the TARDIS instead of returning to Gallifrey.


 * PROSE: Life from Lifelessness
 * The Doctor arrived in Prague due to the randomizer, setting this after The Armageddon Factor.


 * COMIC: Death to the Doctor!


 * AUDIO: The Doctor's First XI


 * AUDIO: The Warren Legacy

The new Romana

 * TV: Destiny of the Daleks
 * Romana regenerates into a new body.


 * COMIC: Victims
 * Romana is still wearing her outfit from Destiny of the Daleks.


 * PROSE: Under Reykjavik
 * Romana is still wearing her outfit from Destiny of the Daleks.


 * PROSE: All Snug in Their Beds
 * Romana's recent regeneration is referenced.


 * AUDIO: The Old Rogue
 * The Doctor plans to take Romana to Paris, leading into City of Death.


 * COMIC: The Lost Dimension
 * The Doctor and Romana are preparing for a day out together without K9, indicating that this takes place shortly before City of Death.


 * TV: 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.


 * PROSE: The Not-So-Sinister Sponge


 * PROSE: Do You Love Anyone Enough?


 * PROSE: Special Occasions: 3. Better Watch Out, Better Take Care
 * Romana has recently been to Paris, setting this shortly after City of Death.


 * PROSE: Special Occasions: 4. Playing with Toys
 * Set on the same day as The Not-So-Sinister Sponge, Do You Love Anyone Enough? and Better Watch Out, Better Take Care.


 * PROSE: The Dying Days
 * The Doctor, Romana and K-9 attend the Queen's re-coronation, and are spotted by the Brigadier.


 * PROSE: Beige Planet Mars 
 * The Doctor, Romana and K-9 attend the Mars Conference, and have a run in with Bernice Summerfield.


 * COMIC: The Forgotten
 * Romana notes that she and the Doctor have been to Paris recently, setting this shortly after City of Death.


 * PROSE: The End of Now


 * PROSE: The Final Analysis


 * TV: The Creature from the Pit


 * PROSE: The Romance of Crime
 * The book's blurb places this between The Creature from the Pit and Nightmare of Eden.


 * PROSE: The English Way of Death
 * The book's blurb places this after The Romance of Crime.


 * PROSE: Seven to One


 * TV: Nightmare of Eden


 * COMIC: Time & Time Again
 * Set during Nightmare of Eden.


 * AUDIO: The Beautiful People
 * The Doctor mentions recovering from the events of Nightmare of Eden.


 * AUDIO: The Pyralis Effect
 * 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.


 * PROSE: The Little Things
 * The Doctor acquires a chrono-historical stress gauge.


 * PROSE: The Clanging Chimes of Doom
 * The Doctor is still using the chrono-historical stress gauge from The Little Things.


 * PROSE: Present Tense
 * The Doctor's the chrono-historical stress gauge has been broken.


 * PROSE: Child's Play


 * TV: The Horns of Nimon
 * Romana reveals she has her own sonic screwdriver.


 * PROSE: Return of the Spiders


 * AUDIO: Babblesphere
 * The Doctor knows about Romana's sonic screwdriver, setting this after The Horns of Nimon.


 * AUDIO: Wave of Destruction
 * 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.


 * AUDIO: The Labyrinth of Buda Castle


 * AUDIO: The Paradox Planet
 * Ending leads directly into Legacy of Death.


 * AUDIO: Legacy of Death


 * TV: Shada
 * 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.


 * COMIC: The One
 * Wiping his own memory, the Doctor locks Shada away in a forgotten part of space.


 * COMIC: Party Animals
 * Placement established by Connections.


 * PROSE: Glass
 * The Doctor and Romana have just encountered the "mind-wiping sphere" from Shada. Where this takes place in the post-The Five Doctors timeline is unclear.


 * AUDIO: Gallery of Ghouls
 * The Doctor is trying to get to Brighton, setting this shortly after Shada.


 * AUDIO: The Trouble with Drax


 * AUDIO: The Pursuit of History
 * Ending leads directly into Casualties of Time.


 * AUDIO: Casualties of Time


 * PROSE: Festival of Death
 * The book's blurb places this between Shada and The Leisure Hive.


 * PROSE: Checkpoint


 * PROSE: Colony of Death


 * PROSE: Alien Mind Games


 * PROSE: A Midsummer's Nightmare


 * COMIC: Every Dog Has His Day


 * PROSE: The Voton Terror


 * PROSE: Sweet Flower of Uthe


 * PROSE: Suitors, Inc.


 * PROSE: The Monster in the Wardrobe


 * PROSE: Breadcrumbs


 * PROSE: The Well-Mannered War
 * Menlove Stokes remembers the Doctor from 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 got separated by forces beyond their control.


 * COMIC: Timeslip
 * The Movellans appear in the Doctor's vision, implying that this takes place after Destiny of the Daleks.


 * PROSE: The Fear


 * PROSE: The Two-Timer


 * PROSE: Stowaway

K9 and Sharon

 * COMIC: Doctor Who and the Star Beast
 * After capturing war criminal Beep the Meep, the Doctor offers Sharon Davies a trip home in the TARDIS.


 * COMIC: Doctor Who and the Dogs of Doom
 * Set immediately after Doctor Who and the Star Beast, with the Doctor failing to return Sharon home.


 * PROSE: Evil Egg


 * PROSE: Sands of Time


 * PROSE: Mind-Jump


 * PROSE: The Hole Truth


 * PROSE: Breakdown


 * COMIC: Doctor Who and the Time Witch
 * Sharon is forcibly aged by four years by a malfunctioning chrono-compensator. The Doctor claims to be losing track of his true age.


 * COMIC: Dragon's Claw


 * COMIC: The Collector
 * The Doctor is able to return Sharon to Blackcastle, but she is uncertain if she wants to stay.


 * COMIC: Dreamers of Death
 * 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

 * COMIC: The Touchdown on Deneb-7


 * COMIC: The Life Bringer
 * The Doctor has changed his clothes to a burgundy design, and the randomiser is still in effect.


 * COMIC: War of the Words


 * COMIC: Star Beast II

Final voyages with Romana

 * The Doctor and K9 somehow reunite with Romana, and she resumes traveling with them.


 * PROSE: The Beast Inside
 * Romana is surprised that the Doctor is wearing a burgundy coat, feeling it reflects a more morose and sombre mood.


 * AUDIO: Luna Romana
 * The Doctor refers to the events of Doctor Who and the Iron Legion.


 * AUDIO: The Beast of Kravenos
 * Authorial intent places this story, and the rest of the Season 6 audios, before The Leisure Hive, with the Doctor wearing his burgundy clothing, the Randomiser still effect and the Season 18 theme tune being used.


 * AUDIO: The Eternal Battle


 * AUDIO: The Silent Scream


 * AUDIO: Dethras
 * K9 goes on an absent in the rest of the Season 6 audios by this point.


 * AUDIO: The Haunting of Malkin Place


 * AUDIO: Subterranea


 * AUDIO: The Movellan Grave


 * AUDIO: The Skin of the Sleek
 * Ending leads directly into The Thief Who Stole Time.


 * AUDIO: The Thief Who Stole Time


 * PROSE: Into the Silent Land
 * After switching his old clothes for a burgundy design, the Doctor decides to take Romana to Brighton, leading into The Leisure Hive.


 * TV: The Leisure Hive
 * 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.


 * PROSE: I Was a Monster!!!
 * The Doctor is "dressed entirely in red" and there is no sign of K9, implying this takes place immediately after he was damaged in The Leisure Hive.


 * PROSE: Insider Dealing


 * TV: Meglos
 * After repairing K9, the TARDIS is contacted by the Time Lords, who order Romana back to Gallifrey.

Trapped in E-Space

 * TV: Full Circle
 * En route to Gallifrey, the TARDIS gets sucked into E-Space, where Adric stows away on the TARDIS.


 * TV: State of Decay


 * PROSE: The Eight Doctors
 * Set during State of Decay.


 * PROSE: Pathfinders
 * Set immediately after State of Decay.


 * AUDIO: The Invasion of E-Space


 * PROSE: O, Darkness
 * Adric has dealt with the Great Vampires, setting this after State of Decay.


 * AUDIO: A Full Life
 * 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 the Doctor and Romana live.


 * TV: Warriors' Gate
 * 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.