The following is a list of appearances by any model of K9.
Television
Doctor Who
Season 15
Season 16
- The Ribos Operation
- The Pirate Planet
- The Stones of Blood
- The Androids of Tara
- The Armageddon Factor
Season 17
Season 18
Season 20
20th anniversary special
40th Anniversary special
Series 2
Series 4
K9 and Company
The Sarah Jane Adventures
Series 1
Mini-episodes
Series 3
Series 4
K9
Series 1
- Regeneration
- Liberation
- The Korven
- The Bounty Hunter
- Sirens of Ceres
- Fear Itself
- The Fall of the House of Gryffen
- Jaws of Orthrus
- Dream-Eaters
- Curse of Anubis
- Oroborus
- Alien Avatar
- Aeolian
- The Last Oak Tree
- Black Hunger
- The Cambridge Spy
- Lost Library of Ukko
- Mutant Copper
- The Custodians
- Taphony and the Time Loop
- Robot Gladiators
- Mind Snap
- Angel of the North
- The Last Precinct
- Hound of the Korven
- The Eclipse of the Korven
Audio
Adventures in a Pocket Universe
Target adaptations
Doctor Who Monthly
Specials
The Fourth Doctor Adventures
Series 2
Series 4
Series 5
- Wave of Destruction
- The Paradox Planet / Legacy of Death
- The Trouble with Drax
- The Pursuit of History / Casualties of Time
Series 6
Novel Adaptations
Gallifrey
Series 1
Series 2
Series 3
Series 4
Series 5
Series 6
Short Trips
The Companion Chronicles
Prose
Novels
Target novelisations
- Doctor Who and the Invisible Enemy
- Doctor Who and the Image of the Fendahl
- Doctor Who and the Underworld
- Doctor Who and the Invasion of Time
- Doctor Who and the Sunmakers
- Doctor Who and the Destiny of the Daleks
- Doctor Who and the Ribos Operation
- Doctor Who and the Invasion of Time
- Doctor Who and the Stones of Blood
- Doctor Who and the Androids of Tara
- Doctor Who and the Armageddon Factor
- Doctor Who and the Nightmare of Eden
- Doctor Who and the Horns of Nimon
- Doctor Who and the Creature from the Pit
- Doctor Who and the State of Decay
- Doctor Who and Warriors' Gate
- Doctor Who and the Leisure Hive
- Full Circle
- Meglos
- The Five Doctors
The Companions of Doctor Who
Virgin New Adventures
Virgin New Adventures preludes
Virgin Missing Adventures
Virgin Bernice Summerfield New Adventures
BBC Past Doctor Adventures
BBC Eighth Doctor Adventures
BBC New Series Adventures
BBC novelisations
The Adventures of K9
The Sarah Jane Adventures novelisations
- Invasion of the Bane
- The Lost Boy
- The Wedding of Sarah Jane Smith
- The Nightmare Man
- Death of the Doctor
Puffin eshort
Short stories
Doctor Who Annual
- Light Fantastic
- Reluctant Warriors
- Return of the Electrids
- The Sleeping Guardians
- Colony of Death
- Alien Mind Games
- A Midsummer's Nightmare
- The Voton Terror
- Sweet Flower of Uthe
- Inter-Galactic Cat
- Conundrum
- Planet of Paradise
- Just a Small Problem
K9 Annual
- Powerstone
- The Shroud of Azaroth
- Hound of Hell
- The Monster of Loch Crag
- Horror Hotel
- The Curse of Kanbo-Ala
Doctor Who Magazine
- The Two-Timer
- Stowaway
- Evil Egg
- Sands of Time
- Mind-Jump
- The Hole Truth
- Breakdown
- Pathfinders
- The Final Analysis
Brief Encounter
Virgin Decalog
Short Trips
- The Sow in Rut
- Kept Safe and Sound
- Balloon Debate
- Return of the Spiders
- Special Occasions: 1. The Not-So-Sinister Sponge
- Jealous, Possessive
- The Fear
- The Little Things
- The Clanging Chimes of Doom
- Present Tense
- Suitors, Inc.
- Life from Lifelessness
- All Snug in Their Beds
- Good Queen, Bad Queen, I Queen, You Queen
- Time Shear
Doctor Who Files
The Essential Book of K9
Comics
Doctor Who Annual
Doctor Who Magazine
- K-9's Finest Hour
- Timeslip
- Doctor Who and the Star Beast
- Doctor Who and the Dogs of Doom
- Doctor Who and the Time Witch
- Dragon's Claw
- The Collector
- Dreamers of Death
- The Touchdown on Deneb-7
- The Life Bringer!
- War of the Words
- The Seventh Segment
- Death to the Doctor!