A psychologist is found stabbed to death in a seemingly sealed room. Inspector March needs to decide who had the most...

Colonel March's niece, a believer in spiritualism, thinks she hears her dead husband's voice and others in the house ...

A French fashion model asks for Colonel March's help, claiming a strange man is following her and she fears for her l...

Members of the Himalayan Mountaineering Club are threatened by what appears to be the abominable snowman, and someone...

While on holiday in France, there is a murder at the docks and Colonel March is asked by a friend of the French polic...

Two Mona Lisa paintings appear on the art market | but which one is the second original and which is the copy? Colone...

At an isolated château outside Paris, a scientist insists he's received radio waves emanating from Mars. Seeking a wa...

A 12 year old boy insists his dead father told him to kill his mother's new fiancée. But did the father truly die in ...

Colonel March hypnotises five people to solve the stabbing murder of Lord Telford, while he himself portrays the murd...

Colonel March is called in to investigate a murder in a beauty salon. There are plenty of suspects and it's up to Col...

Colonel March and Inspector Goron are present in a café when a customer dies from poisoned wine and the waiter falls ...

A scientist conducting cancer research is convinced that his test monkey was not only stolen but replaced. He is late...

A man demands to be arrested for plotting the perfect murder of his wealthy wife, who is found dead that night of nat...

Behind the "silver curtain" spray from a fountain, a man is found dead with a knife in his back. Colonel March is cal...

A shady businessman collapses on an oceanside jetty, the apparent victim of a heart attack, but a vacationing March d...

A bank robbery takes place and the suspect, never out of sight, is followed to his office, where he locks himself in....

A skull, known as the Damascus man, is stolen from a museum and Colonel March's life is imperiled trying to solve the...

A 15th century prayer volume disappears from a sealed casket inside the locked safe belonging to an Oxford Don. An il...

A pretty barmaid receives an unusual Christmas gift, a music box from a thief, dead ten years. But someone is soon mu...

A phony spiritualist believes she's truly summoned a real ghost. Colonel March attends her next seance to discover th...

Murder and blackmail culminate in this episode where a call for help during a Javenese dance is the clue that Colonel...

Colonel March receives a queer complaint that a pair of disembodied gloves killed a man. He refuses to give up easily...

A woman is found dead, but was it suicide or murder? A French fencing match provides the telling clue and Inspector G...

March must solve the mystery of how a man could be stabbed to death by an invisible knife, while attempting to summon...

Colonel March is called in to investigate the theft of a valuable diamond as well as the kidnapping of a little boy's...

When a wife reports her reclusive mystery writer husband has accidentally fallen from a cliff, suspicion points to he...