Starring: Peter Davison, Sarah Sutton

Another situation of dire peril is unfolding for the Doctor and his companion. However, what if it is not clear who is right and who is wrong? Who is ugly and who is beautiful? Where does the story begin, and where does it end?

Starring: Geoffrey Bayldon, Carole Ann Ford

In a mausoleum deep beneath the Capitol, Gallifrey's favourite author faces his destiny. Who is the woman who claims to be his granddaughter? And in the Alps, the Doctor remembers the ultimate question: What if he and Susan had never left Gallifrey?