A comprehensive but by no means complete list of appearances by the Fourth Doctor.
Television
Doctor Who
Season 11
- Planet of the Spiders (cameo; introduction)
Season 12
Season 13
- Terror of the Zygons
- Planet of Evil
- Pyramids of Mars
- The Android Invasion
- The Brain of Morbius
- The Seeds of Doom
Season 14
- The Masque of Mandragora
- The Hand of Fear
- The Deadly Assassin
- The Face of Evil
- The Robots of Death
- The Talons of Weng-Chiang
Season 15
- Horror of Fang Rock
- The Invisible Enemy
- Image of the Fendahl
- The Sun Makers
- Underworld
- The Invasion of Time
Season 16 (The Key to Time)
- The Ribos Operation
- The Pirate Planet
- The Stones of Blood
- The Androids of Tara
- The Power of Kroll
- The Armageddon Factor
Season 17
- Destiny of the Daleks
- City of Death
- The Creature from the Pit
- Nightmare of Eden
- The Horns of Nimon
- Shada (incomplete; never broadcast)
Season 18
- The Leisure Hive
- Meglos
- Full Circle
- State of Decay
- Warriors' Gate
- The Keeper of Traken
- Logopolis (regenerates)
Season 19
- Castrovalva (reprise of previous story)
- Earthshock (flashback; archival footage)
Season 20
- Mawdryn Undead (flashback; archival footage)
- The Five Doctors (cameo using un-aired archival footage from Shada)
Season 21
- Resurrection of the Daleks (flashback; archival footage)
Doctor Who Mini-episode
- Dimensions in Time (not generally regarded as canonical)
Specials
- The Next Doctor (archive material)
Audio stories
Big Finish - Doctor Who Audio Dramas
- The Kingmaker (cameo)
- The Stealers from Saiph
BBC Audio
- Hornets' Nest (announced)
Other
Prose stories
Novels
Target Novelisations
- All televised Fourth Doctor stories have been adapted as novels, with the exception of The Pirate Planet, City of Death, Shada, Dimensions in Time
- The Pescatons - novelisation of Doctor Who and the Pescatons
Virgin Missing Adventures
- Evolution
- The Romance of Crime
- System Shock
- Managra
- The English Way of Death
- The Shadow of Weng-Chiang
- A Device of Death
- The Well-Mannered War
Virgin New Adventures
- Timewyrm: Revelation (ghost/mental projection)
BBC Past Doctor Adventures
- Eye of Heaven
- Last Man Running
- Millennium Shock
- Corpse Marker
- Tomb of Valdemar
- Heart of TARDIS
- Festival of Death
- Asylum
- Psi-ence Fiction
- Drift
- Wolfsbane
- Match of the Day
Telos Doctor Who Novellas
Short Stories
Doctor Who Annuals
- A New Life
- The Hospitality on Hankus
- The Sinister Sponge
- Avast There!
- The Mission
- War on Aquatica
- Cyclone Terror
- The Time Snatch
- The Eye-Spiders of Pergross
- Detour to Diamedes
- Double Trouble
- Secret of the Bald Planet
- The Sleeping Beast
- The Sands of Tymus
- A New Life
- The Sea of Faces
- Famine on Planet X
- The Planet of Dust
- Terror on Tantalogus
- Flashback
- The Crocodiles from the Mist
- X-Rani and the Ugly Mutants
- 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
The Amazing World of Doctor Who
Daily Mirror
Doctor Who Magazine
Brief Encounters
Virgin Decalogs and Short Trips
- To Kill a Nandi Bear
- The Last Broadcast
- The Republican's Story
- Rights
- All Done with Mirrors
- Scarab of Death
- UNIT Christmas Parties: Ships That Pass
- The Duke of Dominoes
- Categorical Imperative
- Observer Effect
- Eternity
- The Android Maker of Calderon IV
- Old Flames
- Ode to Joy
- UNITed We Fall
- The Northern Heights
- The Baron Wastes
- Earth
- Callahuanca
- Direct Action
- One Bad Apple
- The Bushranger's Story
- It's a Lovely Day Tomorrow
- The Sooner the Better
- The Prodigal Sun
- The Very Last Picture Show
- The Brain of Socrates
- The Destroyers
- Crimson Dawn
- People of the Trees
- Timevault
- The Fear
- Suitors, Inc.
- The Lying Old Witch in the Wardrobe
- Return of the Spiders
- Special Occasions: 1. The Not-So-Sinister Sponge
- Special Occasions: 2. Do You Love Anyone Enough?
- The Little Things
- Special Occasions: 3. Better Watch Out, Better Take Care
- Special Occasions: 4. Playing with Toys
- The Clanging Chimes of Doom
- Present Tense
- Glass
- Doing Time
- Into the Silent Land
- I Was a Monster!!!
- Checkpoint
- O, Darkness
- Mauritz
Interactive novels
Comic Strip Stories
TV Comic
- Death Flower
- Return of the Daleks
- The Wreckers
- The Emperor's Spy
- The Sinister Sea
- Woden's Warriors
- The Space Ghost
- The Dalek Revenge
- Virus
- Treasure Trail
- Hubert's Folly
- Counter-Rotation
- Mind Snatch
- The Hoaxers
- The Tansbury Experiment
- The Mutant Strain
- Double Trouble
- Dredger
- Jackals of Space
- The False Planet
- The Fire Feeders
- Kling Dynasty
- The Sky Warrior
- The Orb
- The Mutants
- The Devil's Mouth
- The Aqua-City
- The Snow Devils
- The Space Garden
- The Eerie Manor
- Guardian of the Tomb
- The Image Makers
Doctor Who Annual
- The Psychic Jungle
- Neuronic Nightmare
- The Body Snatcher
- Menace on Metalupiter
- The Rival Robots
- The Traitor
- The Power
- Emsone's Castle
- Terror on Xaboi
- The Weapon
- Every Dog Has His Day
- Plague World
Doctor Who Magazine
- The Iron Legion
- City of the Damned
- K-9's Finest Hour
- Timeslip
- The Star Beast
- The Dogs of Doom
- The Time Witch
- Dragon's Claw
- The Collector
- Dreamers of Death
- The Life Bringer
- War of the Words
- Spider-God
- The Deal
- End of the Line
- The Free-Fall Warriors
- Junkyard Demon
- The Neutron Knights
- Death to the Doctor! (flashback)
Doctor Who Yearbook
Doctor Who (IDW)
- The Forgotten
- The Time Machination (cameo)