IndexTimey-wimey detector → Timeline - K9 Mark I
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This page lists appearances of K9 Mark I, later known as K9 Mark 2, 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.

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Timeline[edit source]

Mark I[edit source]

Before the Doctor[edit source]

Travels with the Doctor[edit source]

K9 is adopted by the Fourth Doctor on Professor Marius's insistence.
K9 takes damage from the drain on his batteries, as well as water damage from the canals, which gives him "corroded circuitry", leading into Image of the Fendahl.
Leela has changed into a new set of clothes, and K-9 is suffering from "corroded circuitry".
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.
The Doctor and K9 begin playing chess, leading into 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.
Set immediately after Requiem for the Rocket Men.
Ending leads directly into Return to Telos.
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 Master, and assists the other Doctors in saving their companions as well.
Leela is once again wearing her second outfit.
After the Doctor uses his position of Lord President to propel an invasion of Gallifrey, Leela decides to stay on Gallifrey to marry Andred, and K9 elects to stay with her.

Gallifrey[edit source]

Mark 2[edit source]

K9 Unit[edit source]

After the K9 Unit[edit source]

Takes place 10,800 years after the creation of the Punch and Judy shows

Currently Unplaced[edit source]

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