K9 Mark III/Appearances

A list of appearances of Mark III in the K-9 series. K-9 Mark III primarily encountered Sarah Jane Smith, rather than the Doctor on adventures.

K-9 & Company

 * A Girl's Best Friend (introduction)

Season 20

 * The Five Doctors (cameo)

Doctor Who mini-episodes

 * Dimensions in Time (Possible; unknown model, not usually regarded as canonical)

Series 2/ (Season 28)

 * School Reunion (guest, destroyed)

K-9 Annual

 * Powerstone
 * The Shroud of Azaroth
 * Hound of Hell
 * The Monster of Loch Crag
 * Horror Hotel
 * The Curse of Kanbo-Ala

Decalog

 * Housewarming
 * Moving On

Short Trips

 * The Sow in Rut
 * Kept Safe and Sound
 * Balloon Debate

Doctor Who Magazine

 * City of Devils