The scientist Crozier keeps making empty promises and Yrcanos and Peri are seemingly betrayed by the addled Doctor who is sure the Matrix is being manipulated...
Quest roles:
Lynda Bellingham(The Inquisitor), Michael Jayston(The Valeyard), Christopher Ryan(Kiv), Brian Blessed(King Yrcanos), Trevor Laird(Frax), Patrick Ryecart(Crozier), Alibe Parsons(Matrona Kani), Nabil Shaban(Sil)