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 Companion Chronicles
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)
- The Dying Days (cameo)
Virgin Bernice Summerfield New Adventures
- Beige Planet Mars (cameo)
BBC Eighth Doctor Adventures
- The Eight Doctors (cameo)
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
- Ghost Ship
- Wonderland (cameo)
Short Stories
Doctor Who Annuals
Doctor Who Annual 1976
Doctor Who Annual 1977
- War on Aquatica
- Cyclone Terror
- The Time Snatch
- The Eye-Spiders of Pergross
- Detour to Diamedes
- Double Trouble
- Secret of the Bald Planet
Doctor Who Annual 1978
Doctor Who Annual 1979
Doctor Who Annual 1980
- X-Rani and the Ugly Mutants
- Light Fantastic
- Reluctant Warriors
- Return of the Electrids
- The Sleeping Guardians
Doctor Who Annual 1981
Doctor Who Annual 1982
The Amazing World of Doctor Who
Daily Mirror
TV Comic
- The Magic Box (TVC Holiday Special 1975)
- Which Way Out? (TVC Holiday Special 1976)
- Master of the Blackhole (TVC Annual 1977)
- Milena (TVC Annual 1979)
Doctor Who Magazine
- The Two-Timer
- Stowaway
- Evil Egg
- Sands of Time
- Mind-Jump
- The Hole Truth
- Breakdown
- Pathfinders
- The Final Analysis
Brief Encounters
- Down to Earth (DWM Issue 208)
- The Stranger, The Writer, His Wife and the Mixed Metaphor (DWM 196)
- Farewells (DWYB 1993)
- The Changeling Years (DWYB 1994)
- The Beast Inside (DWYB 1995)
Virgin Decalogs and Short Trips
- The Duke of Dominoes (Decalog)
- Scarab of Death (Decalog)
- Crimson Dawn (Decalog 2)
- People of the Trees (Decalog 2)
- UNITed We Fall (Decalog 3)
- Timevault (Decalog 3)
- Old Flames (Short Trips)
- Glass (Short Trips)
- Rights (Short Trips)
- One Bad Apple (More Short Trips)
- Return of the Spiders (More Short Trips)
- Special Occasions: 1. The Not-So-Sinister Sponge (Short Trips and Side Steps)
- The Android Maker of Calderon IV (Short Trips and Side Steps)
- Special Occasions: 2. Do You Love Anyone Enough? (Short Trips and Side Steps)
- Special Occasions: 3. Better Watch Out, Better Take Care (Short Trips and Side Steps)
- Special Occasions: 4. Playing with Toys (Short Trips and Side Steps)
- I Was a Monster!!! (Zodiac)
- The Lying Old Witch in the Wardrobe (Companions)
- The Fear (A Universe of Terrors)
- Mauritz (A Universe of Terrors)
- The Brain of Socrates (The Muses)
- The Glass Princess (The Muses)
- Doing Time (Steel Skies)
- O, Darkness (Steel Skies)
- Eternity (Steel Skies)
- All Done with Mirrors (Past Tense)
- To Kill a Nandi Bear (Past Tense)
- The Northern Heights (Life Science)
- The Destroyers (Life Science)
- The Bushranger's Story (Repercussions)
- The Republican's Story (Repercussions)
- Categorical Imperative (Monsters)
- Observer Effect (2040)
- The Baron Wastes (2040)
- The Little Things (A Christmas Treasury)
- The Clanging Chimes of Doom (A Christmas Treasury)
- Present Tense (A Christmas Treasury)
- It's a Lovely Day Tomorrow (A Christmas Treasury)
- UNIT Christmas Parties: Ships That Pass (A Christmas Treasury)
- Suitors, Inc. (Seven Deadly Sins)
- The Sooner the Better (A Day in the Life)
- The Last Broadcast (A Day in the Life)
- Earth (The Solar System)
- The Prodigal Sun (The History of Christmas)
- Ode to Joy (The History of Christmas)
- Callahuanca (The History of Christmas)
- The Very Last Picture Show (Farewells)
- Into the Silent Land (Farewells)
- Direct Action (The Centenarian)
- Checkpoint (The Centenarian)
- Life From Lifelessness (Destination Prague)
- The Dogs of War (Destination Prague)
- Nanomorphosis (Destination Prague)
- The End of Now (Destination Prague)
- The Dragons of Prague (Destination Prague)
- Attachments (Snapshots)
- My Hero (Snapshots)
- Plight of the Monkrah (Snapshots)
- In Case of Emergencies (Snapshots)
- Puppeteer (Snapshots)
- The Glarn Strategy (Snapshots)
- The Nobility of Faith (The Ghosts of Christmas)
- Dear Great Uncle Peter (The Ghosts of Christmas)
- All Snug in Their Beds (The Ghosts of Christmas)
- Machine Time (Defining Patterns)
- Mutiny (Defining Patterns; guest appearance)
- Stanley (Defining Patterns)
- Good Queen, Bad Queen, I Queen, You Queen (The Quality of Leadership)
- Only Connect (Transmissions)
- Breadcrumbs (Transmissions)
- Child's Play (How The Doctor Changed My Life)
- The Last Thing You Ever See (How The Doctor Changed My Life)
- The Monster in the Wardrobe (How The Doctor Changed My Life)
- Those Left Behind (How The Doctor Changed My Life)
- Time Shear (How The Doctor Changed My Life)
- Insider Dealing (How The Doctor Changed My Life)
- Planet of the Elves (Christmas Around the World)
- Christmas Every Day (Christmas Around the World)
- The Doctor's Cross Word (Christmas Around the World)
- Autaia Pipipi Pia (Christmas Around the World)
- Conscription (Christmas Around the World)
- Shamans (Indefinable Magic)
- Hello Goodbye (Indefinable Magic)
- Blessed Are the Peacemakers (Indefinable Magic)
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
TV Comic Special Issues
Doctor Who Annual
Doctor Who Annual 1976
Doctor Who Annual 1977
Doctor Who Annual 1978
Doctor Who Annual 1979
Doctor Who Annual 1980
Doctor Who Annual 1981
Doctor Who Annual 1982
Doctor Who Magazine
- The Iron Legion
- City of the Damned
- 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
- Party Animals (cameo)
- Time & Time Again
- Victims
- Black Destiny
- Death to the Doctor! (flashback)
Doctor Who Magazine back-up comics stories
Doctor Who Yearbook
Doctor Who Summer Special
Doctor Who (IDW)
- The Forgotten
- The Time Machination (cameo)