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Episodes (13)

Ep 1
The Mysterious Death on the Underground Railway
1973-01-29•50m
Polly Burton assists in soving the case of a grl found dead on a seat of an underground train.

Ep 2
Five Hundred Carats
1973-02-05•50m
Inspecor Lipinski investigates the theft of a 500 carat diamond.

Ep 3
Cell 13
1973-02-12•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 given the chance to prove that he can escape by the power of his mind alone.

Ep 4
The Secret of the Manifique
1973-02-19•50m
Laxworthy and two friends secure the safety of the plans for the first torpedo to be used by the French navy.

Ep 5
The Absent-Minded Coterie
1973-02-26•50m
Valmont has to help break a ring of counterfeiters.

Ep 6
The Sensible Action of Lieutenant Hoist
1973-03-04•50m
Lieutenant Holst of Copenhagen has to help a Russian countess who claims her brother-in-law aims to kill her.

Ep 7
The Superfluous Finger
1973-03-11•50m
Professor Van Dusen must find out why a young woman had a perfectly healthy finger cut off by the eminent surgeon Prescott.

Ep 8
Anonymous Letters
1973-03-19•50m
In turn-of-the-century Vienna, Dagobert Trostler investigates a poison pen case.

Ep 9
The Moabite Cypher
1973-03-26•50m
Dr Thorndyke has to decypher a code to stop a plot to assassinate a Russian Grand Duke.

Ep 10
The Secret of the Foxhunter
1973-04-02•50m
William Drew of the foreign Office investigates an unusual crime.

Ep 11
The Missing Q.C's
1973-04-09•50m
Charles Dallas is led into a strange and sinister adventure in the aftermath of a sensational murder trial.

Ep 12
The Looting of the Species Room
1973-04-16•50m
Gold disappears from the strongroom of the RMS Oceanic and its purser, Mr Horrocks, tries to discover what has happened.

Ep 13
The Mystery of the Amber Beads
1973-05-07•50m
Hagar the Gypsy sets out to prove that Detective Sergeat Grubber is wrong about who killed Mrs Arryford.