Season 1:

• An Unearthly Child
• The Reign of Terror

Season 2:

• The Dalek Invasion of Earth
• The Web Planet
• The Crusade

Season 3:

• Galaxy 4
• The Daleks’ Master Plan: Episode 7 – The Feast of Steven
• The Celestial Toymaker
• The Savages
• The War Machines

Season 4:

• The Tenth Planet

Guest Appearances –

• The Three Doctors
• The Five Doctors (Played by Richard Hurndall)
• Twice Upon a Time (Played by David Bradley)

Cameo Appearances –

• The Name of the Doctor
• The Day of the Doctor
• The Power of the Doctor (Played by David Bradley)

Big Finish Advanced Audiobooks

The Lost Stories:

• The Fragile Yellow Arc of Fragrance
• Farewell, Great Macedon
• The Masters of Luxor
• The Dark Planet

Travels with Susan:

• Destiny of the Doctor: Hunters of Earth

Travels with Steven and Oliver:

• The Perpetual Bond
• The Cold Equations
• The First Wave

Guest Appearances –

• Deathworld
• The Light at the End
• Daughter of the Gods
• Once and Future: The Martian Invasion of Planetoid 50 (Future Doctor Degenerated)

Cameo Appearances –

• An Unearthly Woman (The Diary of River Song Series 6)
• The Legacy of Time: Collision Course
• Once and Future: The Union (Future Doctor Degenerated)

Doctor Who Magazine:

• Food for Thought
• Operation Proteus

Guest Appearances –

• Timeslip

Cameo Appearances –

• Time and Time Again

IDW Comics:

Guest Appearances –

• The Forgotten
• Prisoners of Time

Cameo Appearances –

• Dead Man’s Hand

Titan Comics:

Cameo Appearances –

• Year 2 Crossover Event: Supremacy of the Cybermen
• Year 3 Crossover Event: The Lost Dimension

Virgin Books:

Guest Appearances –

• Timewyrm – Revelation

BBC Books:

Guest Appearances –

• The Eight Doctors

Cameo Appearances –

• Time Lord Victorious: The Knight, The Fool and The Dead