The Doctor and Sarah pacify Aggedor and the Doctor encourages the Queen to make peace with the miners, but Ortron soon has him under arrest again.
Quest roles:
Terry Walsh(Guard (uncredited)), Stuart Fell(Entertainer), Nick Hobbs(Wirrn Operator), Rex Robinson(Dr. Carter), Roy Evans(Miner), Donald Gee(Eckersley), Frank Gatliff(Ortron), Ralph Watson(Ettis), Ysanne Churchman(Spider (voice)), Nina Thomas(Thalira)