Number Two uses ruthless, continuous interrogation in a desperate attempt to learn why Number 6 resigned.
Back in London, a lovely but lethal woman lures Number Six through a gamut of ingenious assassination attempts.
The Prisoner finds himself in a Western township called Harmony where he is tricked into taking the job of sheriff.
The killing of a man who embezzled five million dollars of gold bullion prompts NATO agent, John Drake, to investigate.
Drake investigates an opium ring in the Middle East.
A Balkan politician accuses an official of misappropriating funds.
Drake's only clue to counterfeiters is a former Nazi general.
Drake impersonates a bomber hired by the IRA.
An American economist may have committed suicide in the Caribbean.
Drake is hired to blow up a miniature sub wrecked off South America.
A dazed blonde is Drake's only clue to a nearly successful assassination.
An old enemy seeks Drake's help to protect a foreign leader in London.
The discoverers of a virulent and contagious bacteria are dying one by one.
Drake poses as a disabled tycoon to save a kidnapped girl; features guest Patrick Troughton.
A woman who knows secret data takes off suddenly for Venice.
A murder sets off a deadly wave of terrorism in Africa.
Drake and a Scottish nurse try to save an infant Arab prince.
Drake poses as an assassin to protect the life of a visiting president.
The Chinese may be using a TV programme to broadcast coded information.
People near a North African nuclear plant are falling ill.