January 29, 1973 • 50m
Polly Burton assists in soving the case of a grl found dead on a seat of an underground train.
February 5, 1973 • 50m
Inspecor Lipinski investigates the theft of a 500 carat diamond.
February 12, 1973 • 50m
Professor Van Dusen, the 'Thinking Machine', boasts that he can think his way out of a prison cell. When he is locked up he is giv...Read more
February 19, 1973 • 50m
Laxworthy and two friends secure the safety of the plans for the first torpedo to be used by the French navy.
February 26, 1973 • 50m
Valmont has to help break a ring of counterfeiters.
March 4, 1973 • 50m
Lieutenant Holst of Copenhagen has to help a Russian countess who claims her brother-in-law aims to kill her.
March 11, 1973 • 50m
Professor Van Dusen must find out why a young woman had a perfectly healthy finger cut off by the eminent surgeon Prescott.
March 19, 1973 • 50m
In turn-of-the-century Vienna, Dagobert Trostler investigates a poison pen case.
March 26, 1973 • 50m
Dr Thorndyke has to decypher a code to stop a plot to assassinate a Russian Grand Duke.
April 2, 1973 • 50m
William Drew of the foreign Office investigates an unusual crime.
April 9, 1973 • 50m
Charles Dallas is led into a strange and sinister adventure in the aftermath of a sensational murder trial.
April 16, 1973 • 50m
Gold disappears from the strongroom of the RMS Oceanic and its purser, Mr Horrocks, tries to discover what has happened.
May 7, 1973 • 50m
Hagar the Gypsy sets out to prove that Detective Sergeat Grubber is wrong about who killed Mrs Arryford.