Season 19:

• Castrovalva
• Four to Doomsday

Season 21:

• The Caves of Androzani

Cameo Appearances –

• The Day of the Doctor (50th Anniversary Special)

Big Finish Audio Dramas

Travels with Adric, Nyssa and Tegan:

• The Star Men
• The Contingency Club
• Zaltys
• Kingdom of Lies
• Ghost Walk
• Serpent in the Silver Mask

Travels with Nyssa:

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

Travels with Tegan:

• Time in Office

Travels with Tegan, Turlough and Kamelion:

• Devil in the Mist
• Black Thursday / Power Game
• The Kamelion Empire

Travels with Peri and Erimem:

• The Eye of the Scorpion

Solo Adventures:

• Classic Doctors, New Monsters Vol.2: Empire of the Racnoss
• The Helliax Rift
• The Legacy of Time

Doctor Who Magazine:

• The Lunar Strangers

Cameo Appearances –

• Time and Time Again (Seventh Doctor Strip)

Titan Comics:

Cameo Appearances –

• Year 2 Crossover Event: Supremacy of the Cybermen