The following is a comprehensive but not definitive list of the First Doctor's appearances in Doctor Who.
TV Stories
- The Pilot Episode
- An Unearthly Child
- The Daleks
- The Edge of Destruction
- Marco Polo
- The Keys of Marinus
- The Aztecs
- The Sensorites
- The Reign of Terror
- 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
- Galaxy 4
- The Myth Makers
- The Daleks' Master Plan
- The Massacre of St Bartholomew's Eve
- The Ark
- The Celestial Toymaker
- The Gunfighters
- The Savages
- The War Machines
- The Smugglers
- The Tenth Planet
- The Three Doctors
- Earthshock (flashback; archival material)
- The Five Doctors (also, archival material)
- Resurrection of the Daleks (flashback; archival material)
Prose Stories
Virgin New Adventures
- Timewyrm: Revelation (ghost/mental projection)
- Nightshade (flashback)
- Lungbarrow (flashback)
Virgin Missing Adventures
- The Sorcerer's Apprentice
- Venusian Lullaby
- The Plotters
- The Empire of Glass
- The Man in the Velvet Mask
BBC Past Doctor Adventures
- The Witch Hunters
- City at World's End
- Byzantium!
- The Eleventh Tiger
- Salvation
- Bunker Soldiers
- Ten Little Aliens
- The Time Travelers
Telos Novellas
BBC Eighth Doctor Adventures
Comic Strip Stories
Early Comic Strip Stories
- 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
- Prisoner of Gritog
- Guests of King Neptune
- The Gaze of the Gorgon
- Prisoners of the Kleptons
- The Caterpillar Men
- Deadly Vessel
- Kingdom of the Animals
Later Comic Strip Stories
- Timeslip (regressed from Fourth Doctor to earlier self)
- Planet of the Dead (impersonation)
- Flashback (holographic projection)
- Happy Deathday (virtual reality)
- Food for Thought
- Operation Proteus
- Are You Listening?
- A Religous Experience