Season 19:

• Castrovalva
• Four to Doomsday

Season 20:

• Mawdryn Undead
• The Five Doctors

Season 21:

• The Caves of Androzani

Guest Appearances – 

• Dimensions in Time (Children in Need Sketch)
• Time Crash (Children in Need Sketch)
• The Power of the Doctor

Cameo Appearances –

• The Name of the Doctor
• The Day of the Doctor

Big Finish Audio Dramas

The Lost Stories:

• The Elite
• Hexagora
• The Children of Seth
• Nightmare Country
• Genesis of the Cybermen

Travels with Adric, Nyssa and Tegan:

• Destiny of the Doctor: Smoke and Mirrors (Audiobook)
• The Star Men
• The Contingency Club
• Zaltys
• Kingdom of Lies
• Ghost Walk
• Serpent in the Silver Mask
• The Merfolk Murders
• Dream Team
• The Great Beyond
• Hooklight

Travels with Nyssa:

• The Haunting of Thomas Brewster
• Alien Heart / Dalek Soul

Travels with Nyssa & Tegan

• Goth Opera
• Forty: Secrets of Telos
• Forty: God of War
• Friendly Fire
• The Edge of the War
• Pursuit of the Nightjar
• Resistor

Travels with Nyssa, Tegan and Marc:

• Tartarus
• Interstitial / Feast of Fear
• Warzone / Conversion
• Time Apart
• Thin Time / Madquake
• The Lost Resort
• The Perils of Nellie Bly / Nightmare of the Daleks

Travels with Tegan & Turlough, plus Kamelion:

• Devil in the Mist
• Black Thursday / Power Game
• The Kamelion Empire
• Time in Office
• Forty 2: The Auton Infinity

Travels with Turlough:

• The Blazing Hour

Travels with Peri and Erimem:

• The Eye of the Scorpion

Solo Adventures:

• Excelis Dawns
• Classic Doctors, New Monsters Vol.2: Empire of the Racnoss
• The Helliax Rift
• The Legacy of Time: Relative Time
• Shadow of the Daleks 1
• Shadow of the Daleks 2
• Wicked Sisters

Guest Appearances –

• The Sirens of Time
• Zagreus
• The Four Doctors
• Peri and the Piscon Paradox (Companion Chronicle)
• The Light at the End
• Cold Fusion
• A Requiem For The Doctor (The Diary of River Song Series 3)
• My Dinner With Andrew & The Furies (The Diary of River Song Series 3)
• The Legacy of Time: Collision Course
• The End of the Beginning
• The Gates of Hell
• Once and Future: The Artist at the End of Time (Future Doctor Degenerated)

Cameo Appearances – 

• Expiry Dating
• Once and Future: The Union (Future Doctor Degenerated)

Doctor Who Magazine:

• The Lunar Strangers
• The Curse of the Scarab

Cameo Appearances –

• Time and Time Again

IDW Comics:

Guest Appearances –

• The Forgotten
• Prisoners of Time

Cameo Appearances –

• Dead Man’s Hand

Titan Comics:

Guest Appearances –

• Year 3 Crossover Event: The Lost Dimension

Cameo Appearances –

• Year 2 Crossover Event: Supremacy of the Cybermen

Virgin Books:

Guest Appearances –

• Timewyrm – Revelation

BBC Books:

Guest Appearances –

• The Eight Doctors