First Doctor/Appearances

The following is a comprehensive but not definitive list of the First Doctor's Appearances.

Season 1

 * The Pilot Episode (Non-canonical, Introduction)
 * An Unearthly Child (Introduction)
 * The Daleks
 * The Edge of Destruction
 * Marco Polo
 * The Keys of Marinus
 * The Aztecs
 * The Sensorites
 * The Reign of Terror

Season 2

 * Planet of Giants
 * The Dalek Invasion of Earth
 * The Rescue
 * The Romans
 * The Web Planet
 * The Crusade
 * The Space Museum
 * The Chase
 * The Time Meddler

Season 3

 * Galaxy 4
 * The Myth Makers
 * The Daleks' Master Plan
 * The Massacre of St Bartholomew's Eve (Largely absent)
 * The Ark
 * The Celestial Toymaker (Largely absent from the story)
 * The Gunfighters
 * The Savages
 * The War Machines

Season 4

 * The Smugglers
 * The Tenth Planet (Largely absent; regenerates)
 * The Power of the Daleks (Cameo)

Season 9

 * Day of the Daleks (Flashback; Archival photo)

Season 10

 * The Three Doctors (Extended cameo)

Season 13

 * The Brain of Morbius (Flashback; archival photo)

Season 19

 * Earthshock (Flashback; Archival material)

Season 20

 * Mawdryn Undead (Flashback; archival material)
 * The Five Doctors

Season 21

 * Resurrection of the Daleks (Flashback; archival Material)

Doctor Who Mini-episode

 * Dimensions in Time (Cameo; not generally regarded as canon)

Specials

 * The Next Doctor (archival footage)

The Companion Chronicles

 * Frostfire
 * Mother Russia
 * Here There Be Monsters
 * Home Truths
 * The Transit of Venus
 * The Drowned World

Target Novelisations

 * All stories adapted.

Virgin New Adventures

 * Timewyrm: Revelation (Cameo; Ghost/mental Projection)
 * Nightshade (Cameo; flashback)
 * All-Consuming Fire (Cameo; flashback)
 * Lungbarrow (Flashback)

Virgin Missing Adventures

 * Venusian Lullaby
 * The Sorcerer's Apprentice
 * The Empire of Glass
 * The Man in the Velvet Mask
 * The Plotters

BBC Eighth Doctor Adventures

 * The Eight Doctors (Cameo)

BBC Past Doctor Adventures

 * The Witch Hunters
 * Salvation
 * City at World's End
 * Divided Loyalties (Flashback; cameo)
 * Bunker Soldiers
 * Byzantium!
 * Ten Little Aliens
 * The Eleventh Tiger
 * The Time Travellers

Doctor Who Annual
Doctor Who Annual 1966
 * The Lair of Zarbi Supremo
 * The Sons of the Crab
 * The Lost Ones
 * The Monsters from Earth
 * Peril in Mechanistria
 * The Fishmen of Kandalinga

Doctor Who Annual 1967
 * The Cloud Exiles
 * The Sons of Grekk
 * Terror on Tiro
 * The Devil-Birds of Corbo
 * The Playthings of Fo
 * Justice of the Glacians
 * Ten Fathom Pirates

Brief Encounters

 * The Meeting (DWM 167)
 * Echoes of Future Past (DWM 181)
 * Who Discovered America? (DWM 184)
 * Rennigan's Record (DWM 200)
 * Roses (DWM 214)
 * Cambridge Previsited (DWYB 1993)
 * Urrozdinee (DWYB 1995)

Virgin Decalogs and Short Trips

 * The Book of Shadows (Decalog)
 * The Golden Door (Decalog)
 * The Nine-Day Queen (Decalog 2)
 * Tarnished Image (Decalog 3)
 * The Last Days (Short Trips)
 * There are Fairies at the Bottom of the Garden (Short Trips)
 * 64 Carlysle Street (More Short Trips)
 * Romans Cutaway (More Short Trips)
 * The Longest Story in the World (Short Trips and Side Steps)
 * Nothing at the End of the Lane (Short Trips and Side Steps)
 * Planet of the Bunnoids (Short Trips and Side Steps)
 * The True and Indisputable Facts in the Matter of the Ram's Skull (Zodiac)
 * Five Card Draw (Zodiac)
 * The Little Drummer Boy (Companions)
 * A Long Night (Companions)
 * The Exiles (A Universe of Terrors)
 * Mire and Clay (A Universe of Terrors)
 * Ash (A Universe of Terrors)
 * The Glass Princess (The Muses)
 * Corridors of Power (Steel Skies)
 * The Thief of Sherwood (Past Tense)
 * Bide-a-Wee (Past Tense)
 * Scribbles in Chalk (Life Science)
 * The End (Life Science; guest appearance)
 * The Rag and Bone Man's Story (Repercussions)
 * The Schoolboy's Story (Repercussions)
 * The Juror's Story (Repercussions; guest appearance)
 * From Eternity (Monsters; Doctor unspecified, but likely the First)
 * Categorical Imperative (Monsters)
 * Every Day (A Christmas Treasury)
 * The Duke's Folly (Seven Deadly Sins)
 * Waiting for Jeremy (A Day in the Life)
 * Making History (A Day in the Life)
 * Mars (The Solar System)
 * Set in Stone (The History of Christmas)
 * The Gift (The History of Christmas)
 * The Mother Road (Farewells)
 * The Three Paths (Farewells)
 * Childhood Living (The Centenarian)
 * The Ruins of Time (Time Signature)
 * Room for Improvement (Destination Prague)
 * Life from Lifelessness (Destination Prague)
 * The Long Step Backward (Destination Prague)
 * Indian Summer (Snapshots)
 * Tell Me You Love Me (The Ghosts of Christmas)
 * Snowman in Manhattan (The Ghosts of Christmas)
 * Losing the Audience (Defining Patterns)
 * The Price of Conviction (The Quality of Leadership)
 * iNtRUsioNs (Transmissions)
 * Do You Smell Carrots? (Christmas Around the World)
 * White on White (Christmas Around the World)
 * The Power Supply (Indefinable Magic)
 * The Reign Makers (Indefinable Magic)

Telos Doctor Who Novellas

 * Time and Relative
 * Frayed

Other fiction

 * Doctor Who and the Invasion from Space
 * Campaign

TV Comic

 * The Klepton Parasites
 * The Therovian Quest
 * The Hijackers of Thrax
 * On the Web Planet
 * The Gyros Injustice
 * Challenge of the Piper
 * Moon Landing
 * Time in Reverse
 * Lizardworld
 * The Ordeals of Demeter
 * Enter: The Go-Ray
 * Shark Bait
 * A Christmas Story
 * The Didus Expedition
 * Space Station Z-7
 * Plague of the Black Scorpi
 * The Trodos Tyranny
 * The Secret of Gemino
 * The Haunted Planet
 * The Hunters of Zerox
 * The Underwater Robot
 * Return of the Trods
 * The Galaxy Games
 * The Experimenters

TV Comic Special Issues

 * Prisoners of Gritog
 * Guests of King Neptune
 * The Gaze of the Gorgon
 * Prisoners of the Kleptons
 * The Caterpillar Men
 * Deadly Vessel
 * Kingdom of the Animals

Doctor Who Annual

 * Mission for Duh

Doctor Who Magazine

 * Timeslip (regressed from Fourth Doctor to earlier self)
 * Planet of the Dead (impersonation)
 * Flashback (historical recreation)
 * Time & Time Again (cameo)
 * Food for Thought
 * Are You Listening?
 * A Religious Experience
 * Operation Proteus
 * The World Shapers (flashback cameo)
 * The Final Chapter (flashback cameo)
 * Happy Deathday (Virtual Reality?)
 * Death to the Doctor! (flashback cameo)

Doctor Who (IDW)

 * The Forgotten

Published scripts of unproduced stories

 * The Masters of Luxor
 * Farewell Great Macedon
 * The Fragile Yellow Arc of Fragrance