K9 Mark IV/Appearances

Television

Doctor Who

Series 2

• School Reunion (introduction; cameo)

Series 4

• Journey's End

The Sarah Jane Adventures

Series 1

• Invasion of the Bane
• The Lost Boy

Mini-episodes

• From Raxacoricofallapatorius With Love

Series 3

• The Mad Woman in the Attic
• The Wedding of Sarah Jane Smith
• Mona Lisa's Revenge
• The Gift

Series 4

• The Nightmare Man
• Goodbye, Sarah Jane Smith (part two only)

Prose

The Sarah Jane Adventures novelisations

• Invasion of the Bane
• The Lost Boy
• The Wedding of Sarah Jane Smith

Find Your Fate series

• Search for the Doctor

Short stories

• A Dog's Life