
Season 1
- N/A/100 votes
The Thirteen Innocents
Season 1 Episode 1 - Aired 9/13/1959
Sukru runs a trading company to front a drug smuggling operation, using carrier pigeons to carry the drugs.
Director: C.M. Pennington-Richards
Writer: David T. Chantler
- N/A/100 votes
The Money Game
Season 1 Episode 2 - Aired 9/20/1959
Some conmen convince financial journalist Brownley that leading financier Untermeyer is dead. His report throws the stock market into confusion, allowing the conmen to clear up on the markets. Brownley is then murdered.
Director: C.M. Pennington-Richards
Writer: Lewis Davidson
- N/A/100 votes
The Sleeping Giant
Season 1 Episode 3 - Aired 9/27/1959
An unexploded bomb from World War II is found by a dam, and only the makers will know how to defuse it.
Director: C.M. Pennington-Richards
Writer: Larry Forrester
- N/A/100 votes
The Two-Headed Monster
Season 1 Episode 4 - Aired 10/4/1959
An ex-con deported to Italy after serving a prison sentence in the U.S.A., has invited a group of protection racketeers to join him in Naples.
Director: C.M. Pennington-Richards
Writer: David T. Chantler
- N/A/100 votes
The Long Weekend
Season 1 Episode 5 - Aired 10/11/1959
The body of a merchant seaman, reported lost overboard in the Mediterranean, is washed up on the south coast of England with a bullet in his head.
Director: Charles Frend
Writer: David T. Chantler
- N/A/100 votes
You Can't Die Twice
Season 1 Episode 6 - Aired 10/18/1959
Duval investigates the death of an illegal immigrant killed after he disembarked from a freighter at New York.
Director: C.M. Pennington-Richards
Writer: Barbara Avedon
- N/A/100 votes
Diamond S.O.S.
Season 1 Episode 7 - Aired 10/25/1959
Duval investigates the death of an illegal immigrant killed after he disembarked from a freighter at New York.
Director: Charles Frend
Writer: Leonard Fincham, Brian Clemens
- N/A/100 votes
Private View
Season 1 Episode 8 - Aired 11/1/1959
Duval investigates the theft of a valuable old master from the collection of Sir Isaac Spendler.
Director: C.M. Pennington-Richards
Writer: Robert Banks Stewart
- N/A/100 votes
Dead on Arrival
Season 1 Episode 9 - Aired 11/8/1959
Duval investigates the apparently motiveless murder of a N.A.T.O. courier found in a sleeping compartment on the Black Sea Express
Director: Max Varnel
Writer: Max Marquis, Philip Chambers
- N/A/100 votes
Air Switch
Season 1 Episode 10 - Aired 11/15/1959
Duval investigates the disappearance of a valuable antibiotic somewhere between New York and the World Health Organization in Sweden.
Director: C.M. Pennington-Richards
Writer: Gil Winfield, Leonard Fincham
- N/A/100 votes
The Angola Brights
Season 1 Episode 11 - Aired 11/22/1959
Duval investigates the theft of four uncut matched stones from an Angolan diamond mine.
Director: C.M. Pennington-Richards
Writer: Larry Forrester
- N/A/100 votes
The Chinese Mask
Season 1 Episode 12 - Aired 11/29/1959
Duval investigates the theft of a cargo of valuable platinum from a flight from Rangoon to Hong Kong after the airplane is forced down by a passenger.
Director: C.M. Pennington-Richards
Writer: Lewis Davidson
- N/A/100 votes
Slave Ship
Season 1 Episode 13 - Aired 12/6/1959
Duval looks into the slave trading racket, investigating the mysterious disappearance of many thousands of natives from Mombasa during the annual pilgrimages to Mecca.
Director: C.M. Pennington-Richards
Writer: Gil Winfield, Geoffrey Orme, Edwin Richfield
- N/A/100 votes
The Man's a Clown
Season 1 Episode 14 - Aired 12/13/1959
Duval is on the trail of forger Eddie Keflik, who has blackmailed a clown in a traveling circus into working for him.
Director: Charles Frend
Writer: Robert Banks Stewart
- N/A/100 votes
Last Man Lucky
Season 1 Episode 15 - Aired 12/20/1959
Duval investigates the death of a gang member in Paris and uncovers a murder list.
Director: C.M. Pennington-Richards
Writer: Neville Dasey
- N/A/100 votes
No Flowers for Onno
Season 1 Episode 16 - Aired 12/27/1959
Author Andrew Slater, writing a book about the war, discovers that Onno van Veer, remembered as a hero of the Dutch resistance, was not executed by the S.S. after all. Duval unearths a tale of treachery and murder.
Director: C.M. Pennington-Richards
Writer: Robert Banks Stewart
- N/A/100 votes
Mr. George
Season 1 Episode 17 - Aired 1/3/1960
A man extorts a large sum of money from an insurance company. Interpol begin a tireless operation to track the man through countries that don't have Interpol agreements.
Director: Charles Frend
Writer: David T. Chantler
- N/A/100 votes
The Thousand Mile Alibi
Season 1 Episode 18 - Aired 1/10/1960
Duval investigates a murder. The victim's husband appears to have the perfect alibi: he was leading the Italian Mille Migla motor race at the time of her death.
Director: George Pollock
Writer: John Kruse
- N/A/100 votes
Act of Piracy
Season 1 Episode 19 - Aired 1/17/1960
Duval investigates the theft of a million dollars worth of platinum by three men posing as a U.S. Navy Patrol, who killed the passengers and crew of the S.S. Jensen.
Director: C.M. Pennington-Richards
Writer: Unknown
- N/A/100 votes
Game for Three Hands
Season 1 Episode 20 - Aired 1/24/1960
In Montreal for Interpol's annual conference, Duval catches up with a wanted man who escaped his clutches back in 1939.
Director: C.M. Pennington-Richards
Writer: Robert Banks Stewart
- N/A/100 votes
The Collector
Season 1 Episode 21 - Aired 1/31/1960
Gangster Mike Marko amassed a fortune from the rackets, but did not live to spend it. Duval is on the trail of his right-hand man, Pavone.
Director: C.M. Pennington-Richards
Writer: David T. Chantler, Wilton Schiller
- N/A/100 votes
The Heiress
Season 1 Episode 22 - Aired 2/7/1960
Ronald Millais is a gigolo, living off women who fall for his easy charm. Duval investigates claims that Millais has kidnapped a millionaire's daughter.
Director: C.M. Pennington-Richards
Writer: Unknown
- N/A/100 votes
Payment in Advance
Season 1 Episode 23 - Aired 2/14/1960
Schroeder was erroneously convicted of the murder of his business partner, Kaltmann. Duval orders that the ex-convict be watched when he hints at committing the crime for which he has already been punished.
Director: C.M. Pennington-Richards
Writer: Larry Forrester
- N/A/100 votes
Checkmate
Season 1 Episode 24 - Aired 2/21/1960
Duval goes to Madrid on the trail of a young couple who have robbed a Tel Aviv bank, using the female's threat to commit suicide as a diversionary tactic.
Director: Bill Lewthwaite
Writer: Sam Neuman
- N/A/100 votes
Fingers of Guilt
Season 1 Episode 25 - Aired 2/28/1960
Diamond dealer Jacob Moltz and his accomplice, girl magician Frankie Silver, devise a foolproof plan to rob the biggest diamond house in Amsterdam, and frame safe-cracker Sash Moran.
Director: Robert Lynn
Writer: Unknown
- N/A/100 votes
The Girl with Grey Hair
Season 1 Episode 26 - Aired 3/6/1960
The value of paintings by Hugo Ballard begins to soar after his death, so why would his widow slash one of his paintings?
Director: Charles Frend
Writer: Robert Banks Stewart, Leonard Fincham, Michael Hankinson
- N/A/100 votes
Trial at Cranby's Creek
Season 1 Episode 27 - Aired 3/13/1960
A policeman is shot in the back in the opal mining settlement of Cranby's Creek, in the Australian outback, and the townsfolk claim the shooting was carried out by Emil Brock, who is wanted for murder by Interpol.
Director: C.M. Pennington-Richards
Writer: Larry Forrester
- N/A/100 votes
Ascent to Murder
Season 1 Episode 28 - Aired 3/20/1960
Insp. Duval is in pursuit of American financier Pearce Clyde, who is wanted for questioning by the U.S. Treasury. When he arrives at Clyde's hotel in the Himalayas, Duval sets off a booby-trap.
Director: Robert Lynn
Writer: Larry Forrester
- N/A/100 votes
Slow Boat to Amsterdam
Season 1 Episode 29 - Aired 3/27/1960
Duval is held up in a small canal town when a strange death occurs. The local authorities think the death is a straight forward suicide, but Duval sees evidence of something more sinister.
Director: Bill Lewthwaite
Writer: Lindsay Galloway
- N/A/100 votes
White Blackmail
Season 1 Episode 30 - Aired 4/3/1960
Duval responds to a tip-off from an American reporter about a possible organized blackmail racket in a Swiss ski resort and goes to Switzerland posing as his Paris banker friend, Count de Regny. When he arrives in Switzerland he realizes that he has been set up as the next victim.
Director: Robert Lynn
Writer: Robert Banks Stewart
- N/A/100 votes
A Foreign Body
Season 1 Episode 31 - Aired 4/10/1960
Interpol is called in when the police find the body of a French girl in the boot of an American car. Everything points to Ben Stack as the murderer, but Duval is not convinced.
Director: Norman Harrison
Writer: Robert Banks Stewart
- N/A/100 votes
In the Swim
Season 1 Episode 32 - Aired 4/17/1960
Lars Lukas, a French swimmer, is shot after completing a cross-Channel swim from France. It appears to be a motiveless murder until Duval hears a tape recording of Lukas's last words, a lead to a smuggling ring.
Director: Robert Lynn
Writer: Robert Banks Stewart, Connery Chappell
- N/A/100 votes
The Three Keys
Season 1 Episode 33 - Aired 4/24/1960
Duval is on the trail of Thackeray, an international forger who robs safes and substitutes forged bills for the real thing.
Director: Robert Lynn
Writer: Unknown
- N/A/100 votes
Eight Days Inclusive
Season 1 Episode 34 - Aired 5/1/1960
The driver and hostess of a coach tours company have a profitable sideline carrying out armed robberies in the towns that they visit. Duval investigates the shooting of a Paris jeweler.
Director: C.M. Pennington-Richards
Writer: Robert Banks Stewart
- N/A/100 votes
Dressed to Kill
Season 1 Episode 35 - Aired 5/8/1960
Duval agrees to help his old friend, Bernarde, the owner of a Paris salon, to keep his latest creations under wraps until the big fashion show, but Harry Grayson and Mamie Bryant have other ideas.
Director: Robert Lynn
Writer: Robert Banks Stewart, David T. Chantler
- N/A/100 votes
Cargo of Death
Season 1 Episode 36 - Aired 5/15/1960
Duval flies to Delhi to locate a consignment of live cholera vaccine stolen from a laboratory in Karachi.
Director: C.M. Pennington-Richards
Writer: Michael Sayers, Leonard Fincham
- N/A/100 votes
Desert Hi-Jack
Season 1 Episode 37 - Aired 5/22/1960
Duval is asked to investigate a gun-running racket in North Africa, and suspects archaeologist Professor Velard of involvement.
Director: Jeremy Summers
Writer: Robert Banks Stewart, Harold Orton
- N/A/100 votes
Pipeline
Season 1 Episode 38 - Aired 5/29/1960
Duval goes to South America to pick up Dave Carson, who is wanted for murder. He walks into the middle of a revolution, and has to work side-by-side with his quarry.
Director: David MacDonald
Writer: Larry Forrester
- N/A/100 votes
The Absent Assassin
Season 1 Episode 39 - Aired 6/5/1960
Duval is called in after an assassination of an American diplomat. Evidence seems to point to a recently released Nazi seeking revenge. What does puzzle Duval is how he constructs the assassinations.
Director: Robert Lynn
Writer: Larry Forrester