Colin Baker (1984-86)
Season Twenty-One (1984)
The Twin Dilemma
Season Twenty-Two (1985)
Attack of the Cybermen
Vengeance On Varos
The Mark of the Rani
The Two Doctors
Timelash
Revelation of the Daleks
Season Twenty-Three (1986)
The Trial of a Timelord 1-4 (aka The Mysterious Planet)
The Trial of a Timelord 5-8 (aka Mindwarp)
The Trial of a Timelord 9-12 (aka Terror of the Vervoids)
The Trial of a Timelord 13-14 (aka The Ultimate Foe)