Don Babbage Doctor Who: The Caves of Androzani Doctor Who: The Mark of the Rani Doctor Who: The Two Doctors Doctor Who: Revelation of the Daleks Doctor Who: The Five Doctors Doctor Who: Four to Doomsday Doctor Who: Dragonfire Doctor Who: The Keeper of Traken Doctor Who: Mindwarp Doctor Who: Terror of the Vervoids Doctor Who: The Ultimate Foe