K9 Mark I/Appearances

The following is a list of appearances by K9 Mark I.

Season 15

 * The Invisible Enemy (first appearances, joins)
 * Image of the Fendahl (brief cameo)
 * The Sun Makers
 * Underworld
 * The Invasion of Time (leaves)

Season 21

 * Resurrection of the Daleks (flashback, archival material)

Doctor Who Mini-episodes

 * Search Out Space (possible, unknown model K9)
 * Dimensions in Time (possible; unknown model K9, story not regarded as canonical)

Series 1
For the appearances of the regenerated K9 Mark I see K9 Mark 2 - List of Appearances
 * Regeneration (regenerates)
 * Curse of Anubis (drawings)
 * Mind Snap (flashback; archive footage)

Season 1

 * Weapon of Choice
 * Square One
 * The Inquiry
 * A Blind Eye

Season 2

 * Lies
 * Pandora
 * Insurgency
 * Imperiatrix (dies)

The Companion Chronicles

 * The Time Vampire

Target novelisations

 * All televised stories adapted

Virgin New Adventures

 * Lungbarrow (guest; with K9 Mark II)

Doctor Who Magazine

 * Affirmative

Decalog 2: Lost Property

 * Crimson Dawn

Short Trips

 * Jealous, Possessive (with K9 Mark II)

The Adventures of K9 children's books

 * K9 and the Time Trap
 * K9 and the Beasts of Vega
 * K9 and the Zeta Rescue
 * K9 and the Missing Planet