The Doctor fails to prevent the Thals from destroying the Kaled city but they don't have long to enjoy their victory before the Daleks attack.
Quest roles:
John Scott Martin(Dalek Operator), Dennis Chinnery(Sylvest), Terry Walsh(Executioner (uncredited)), Roy Skelton(Daleks (voice)), Michael Wisher((voice, uncredited)), Stephen Yardley(Arak), James Garbutt(Ronson), Tom Georgeson(Detective Inspector), Michael Lynch(Thal Politician), Harriet Philpin(Bettan), Cy Town(Passerby (uncredited)), Peter Miles(Nyder), Keith Ashley(Zygon)