Steed and Cathy investigate the death of diamond importer's wife and its connection to smuggled diamonds that are flooding the market.
10. Death on the Rocks - Steed and Cathy investigate the death of diamond importer's wife and its connection to smuggled diamonds that are flooding the market.
One-Ten is convinced that a man murdered is the victim of a hired-killer.
Steed and Cathy travel to Marseilles to pick up a flask of a secret new rocket fuel.
The president of a Balkan Republic is menaced by a masked assassin.
The Home Office becomes concerned when gunrunning to Africa increases.
A microfilm of North American early warning plans has been stolen.
Steed is ordered to infiltrate a gang of assassins.
A stamp collector is murdered after he discovers an extremely rare penny stamp.
Steed investigates when an autopsy of an accident victim reveals something unusual.
Steed and a colleague fall under suspicion for selling state secrets.
Steed and Cathy investigate the death of diamond importer's wife.
Steed and Cathy investigate security leaks at a secret Navy base.
A powerful computer used to target incoming missiles continually breaks down.
A diplomatic courier dies defending a satchel full of mundane documents.
A Canadian plane crashes under mysterious circumstances in Ireland.
Cathy Gale impersonates a female assassin.
Cathy's friends claim to have invented an unbreakable ceramic.
Steed traces stolen classified documents to a nightclub where Venus Smith is working.
Steed is asked to guard a revolutionary new formula for fuel.
A thief steals two gold-plated eggs from Dr. Ashe.
Steed investigates the alleged suicide of a college instructor.
A famous astronomer predicts the destruction of the Earth.
Venus Smith's camera and film are stolen at a fair.
Steed survives an attempt by the Mafia to assassinate him.
While on holiday, Steed becomes involved in the investigation of a mysterious death.
Cathy's quiet weekend is ruined by treachery, scheming and mysterious accidents.
Steed suspects that a gym is actually the front for a gang of ambergris smugglers.