The guerrillas infiltrate the Daleks' base to rescue the Doctor and Jo and ask them to return to their own time and alter history before the 20th century is plunged into a Third World War.
Quest roles:
Richard Franklin(Mike Yates), John Scott Martin(Dalek Operator), Nicholas Courtney(Brig. Lethbridge-Stewart), Murphy Grumbar(Dalek Operator), John Levene(RSM Benton), Aubrey Woods(Controller), Anna Barry(Anat), Jimmy Winston(Shura), Scott Fredericks(Boaz), Wilfred Carter(Sir Reginald Styles), Rick Lester(Third Ogron), Maurice Bush(Ogron), Ricky Newby(Dalek), Peter Messaline(Dalek Voices (voice)), David Joyce(Ogron), Frank Menzies(Ogron), Bruce Wells(Ogron), Geoffrey Todd(Ogron), Valentine Palmer(Monia), Alex MacIntosh(Televison Reporter), Jean MacFarlane(Miss Paget), Oliver Gilbert(Dalek Voices (voice)), Andrew Carr(Senior Guard)