K9 Mark IV/Appearances

Doctor Who
Series 2


 * School Reunion

Series 4


 * Journey's End

The Sarah Jane Adventures
Series 1


 * Invasion of the Bane
 * The Lost Boy

Series 3


 * The Mad Woman in the Attic
 * The Wedding of Sarah Jane Smith

Mini-episodes


 * From Raxacoricofallapatorius With Love

The Sarah Jane Adventures novelisations

 * Invasion of the Bane
 * The Lost Boy

Find Your Fate series

 * Search for the Doctor