The Doctor makes it back to the colony and warns Ashe what Dent is up to but when Jo and Winton try to find proof they are captured.
Quest roles:
John Scott Martin(Dalek Operator), John Ringham(Tlotoxl), Bernard Kay(Inspector Crossland), Roy Skelton(Daleks (voice)), Pat Gorman(Soldier), Helen Worth(Mary Ashe), Morris Perry(Dent), Tony Caunter(Jackson), Stanley McGeagh(Castle Guard Drew), Nicholas Pennell(Winton)