Third Doctor/Appearances

The following is a detailed but not definitive list of the Third Doctor's appearances.

Season 7

 * Spearhead from Space (introduction)
 * Doctor Who and the Silurians
 * The Ambassadors of Death
 * Inferno

Season 8

 * Terror of the Autons
 * The Mind of Evil
 * The Claws of Axos
 * Colony in Space
 * The Dæmons

Season 9

 * Day of the Daleks
 * The Curse of Peladon
 * The Sea Devils
 * The Mutants
 * The Time Monster

Season 10

 * The Three Doctors
 * Carnival of Monsters
 * Frontier in Space
 * Planet of the Daleks
 * The Green Death

Season 11

 * The Time Warrior
 * Invasion of the Dinosaurs
 * Death to the Daleks
 * The Monster of Peladon
 * Planet of the Spiders (regenerates)

Season 12

 * Robot (cameo, in recap)

Season 13

 * The Brain of Morbius (flashback; archive photo)

Season 20

 * Mawdryn Undead (flashback; archival appearance)
 * The Five Doctors (guest)

Season 21

 * Resurrection of the Daleks (flashback; archival apparance)

Series 3

 * Human Nature (drawing)

Specials
 
 * The Next Doctor (archive material)

Season 31

 * The Eleventh Hour (archive material)

Doctor Who Mini-episode

 * Dimensions in Time (temporal projection; story not generally regarded as canonical)

Series 3

 * The Mad Woman in the Attic (flashback, archive)

BBC Radio Dramas

 * The Paradise of Death
 * The Ghosts of N-Space

Mini-episode

 * Glorious Goodwood Special

Big Finish Productions

 * Zagreus

The Companion Chronicles

 * The Blue Tooth
 * Old Soldiers
 * The Doll of Death
 * The Magician's Oath
 * The Prisoner of Peladon
 * The Mists of Time
 * The Three Companions
 * Shadow of the Past

Other

 * Degrees of Truth (audio version of Short Trips)

Target Novelisations

 * All televised Third Doctor stories have been adapted as novels, with the exception of Dimensions in Time.
 * The Paradise of Death - novelisation of radio play

Virgin Missing Adventures

 * Dancing the Code
 * The Eye of the Giant
 * The Scales of Injustice
 * Speed of Flight
 * The Ghosts of N-Space - non-Target novelisation of radio play
 * Downtime (cameo) - non-Target novelisation of independent film production. The Third Doctor does not appear in the film itself.
 * Who Killed Kennedy (cameo)

Virgin New Adventures

 * Timewyrm: Revelation (ghost/mental projection)
 * Legacy (flashback cameo)
 * All-Consuming Fire (cameo)

BBC Eighth Doctor Adventures

 * The Eight Doctors
 * Alien Bodies (cameo)
 * Interference - Book One
 * Interference - Book Two

BBC Past Doctor Adventures

 * The Devil Goblins from Neptune
 * The Face of the Enemy (cameo)
 * Catastrophea
 * The Wages of Sin
 * Last of the Gaderene
 * Verdigris
 * Rags
 * Amorality Tale
 * The Suns of Caresh
 * Deadly Reunion
 * Island of Death

Telos Doctor Who Novellas

 * Nightdreamers

Doctor Who Annuals
Doctor Who Annual 1971
 * The Mind Extractors
 * Soldiers from Zolta
 * The Ghouls of Grestonspey
 * Caught in the Web
 * Invaders Invisible
 * The Dark Planet
 * Caverns of Horror
 * A Universe Called Fred

Doctor Who Annual 1973
 * Dark Intruders
 * War in the Abyss
 * Hunt to the Death
 * Doorway into Nowhere
 * The Claw
 * Saucer of Fate
 * The Phaser Aliens

Doctor Who Annual 1974
 * Listen - The Stars
 * Out of the Green Mist
 * The Fathom Trap
 * Talons of Terror
 * Old Father Saturn
 * Galactic Gangster

Doctor Who Annual 1975
 * The House That Jack Built
 * Revenge of the Phantoms
 * The Time Thief
 * Fugitives from Chance
 * The Battle Within
 * Before the Legend
 * Scorched Earth

TV Action

 * The Thing from Outer Space (TVA Holiday 1971)
 * And Now for My Next Trick... (TVA Holiday 1972)
 * The One Second Hour (TVC Holiday 1973)
 * Smash Hit (TVA Holiday 1973)
 * Signal S.O.S. (TVC Holiday 1974)

Radio Times

 * We are the Daleks! (Doctor unspecified, but likely the Third)

Doctor Who Magazine

 * The Dragon of Hyacinth Lodge (DWM 236-238)

Brief Encounters

 * A Visit to the Cinema (DWM 190)
 * Country of the Blind (DWYB 1993)
 * Reconnaissance (DWYB 1994)
 * The Hungry Bomb (DWYB 1995)

Virgin Decalogs and Short Trips

 * The Straw that Broke the Camel's Back (Decalog)
 * Prisoners of the Sun (Decalog)
 * Where the Heart Is (Decalog 2)
 * ...And Eternity in an Hour (Decalog 3)
 * Freedom (Short Trips)
 * Honest Living (More Short Trips)
 * Countdown to TV Action (Short Trips and Side Steps)
 * Still Lives (Zodiac)
 * The Switching (Zodiac)
 * Five Card Draw (Zodiac)
 * The Tip of the Mind (Companions)
 * Hidden Talent (Companions)
 * Losing Track of Time (A Universe of Terrors)
 * The Discourse of Flies (A Universe of Terrors)
 * An Overture Too Early (The Muses)
 * The Glass Princess (The Muses)
 * Deep Stretch (Steel Skies)
 * Come Friendly Bombs... (Past Tense)
 * Primitives (Life Science)
 * The Seismologist's Story (Repercussions)
 * The Dead Man's Story (Repercussions)
 * The Juror's Story (Repercussions)
 * The Touch of the Nurazh (Monsters)
 * Categorical Imperative (Monsters)
 * /Carpenter/Butterfly/Baronet/ (2040)
 * UNIT Christmas Parties: First Christmas (A Christmas Treasury)
 * UNIT Christmas Parties: Christmas Truce (A Christmas Treasury)
 * Angel (Seven Deadly Sins)
 * Morphology (A Day in the Life)
 * Neptune (Short Trips: The Solar System)
 * Sedna (Short Trips: The Solar System)
 * The Lampblack Wars (The History of Christmas)
 * The Thousand Years of Christmas (The History of Christmas)
 * Danse Macabre (The History of Christmas)
 * The Bad Guy (Farewells)
 * Separation Day (Farewells)
 * Echoes (The Centenarian)
 * Dream Devils (The Centenarian)
 * Ancient Whispers (The Centenarian)
 * Hide and Seek (Dalek Empire)
 * Midnight in the Café of the Black Madonna (Destination Prague)
 * Spoilsport (Destination Prague)
 * She Knew (Snapshots)
 * Faithful Friends: Part 1 (The Ghosts of Christmas)
 * The Sommerton Fetch (The Ghosts of Christmas)
 * Jigsaw (The Ghosts of Christmas)
 * Numb (Defining Patterns)
 * Rock Star (The Quality of Leadership)
 * Generation Gap (Transmissions)
 * Link (Transmissions)
 * Potential (How The Doctor Changed My Life)
 * A Visit from Saint Nicholas (Christmas Around the World)
 * Dateline to Deadline (Christmas Around the World)
 * Interesting Times (Christmas Around the World)
 * Lost and Founded (Christmas Around the World)
 * Hiccup in Time (Indefinable Magic)
 * The Science of Magic (Indefinable Magic)
 * Once upon a Time Machine (Indefinable Magic)

TV Comic

 * The Arkwood Experiments
 * The Multi-Mobile
 * Insect
 * The Metal Eaters
 * The Fishmen of Carpantha
 * Doctor Who and the Rocks from Venus
 * Doctor Who and the Robot
 * Trial of Fire
 * The Kingdom Builders

TV Action

 * Gemini Plan
 * Timebenders
 * The Vogan Slaves
 * The Celluloid Midas
 * Backtime
 * The Eternal Present
 * *Sub Zero
 * The Planet of the Daleks
 * A Stitch in Time
 * The Enemy from Nowhere
 * The Ugrakks
 * Steelfist
 * Zeron Invasion
 * Deadly Choice
 * Who is the Stranger
 * The Glen of Sleeping
 * The Threat from Beneath
 * kcaB to the Sun
 * The Labyrinth
 * The Spoilers
 * The Vortex
 * The Unheard Voice

TV Comic

 * Children of the Evil Eye
 * Nova
 * The Amateur
 * The Disintegrator
 * Is Anyone There?
 * Size Control
 * The Magician
 * The Metal-Eaters
 * Petrified
 * Lords of the Ether
 * The Wanderers

TV Comic Special Issues

 * Assassin from Space
 * Undercover
 * Castaway
 * Levitation

TV Action Special Issues

 * Fogbound
 * Secret of the Tower
 * Doomcloud
 * Perils of Paris
 * Who's Who?
 * The Plant Master
 * Ride to Nowhere
 * The Hungry Planet

Doctor Who Annual
Doctor Who Annual 1974
 * The Time Thief
 * Menace of the Molags

Doctor Who Annual 1975
 * Dead on Arrival
 * After the Revolution

Doctor Who Magazine

 * Change of Mind
 * The Man in the Ion Mask
 * Target Practice
 * Time & Time Again
 * Under Pressure
 * Death to the Doctor! (flashback)

Doctor Who (IDW)

 * The Forgotten

Other

 * Devious - non-canonical fan film in which Jon Pertwee performed as the Doctor; released to DVD by BBC Video as a bonus feature with DW: The War Games in 2009.