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The Invisible Knife
Colonel March of Scotland Yard - S1 - E24
March must solve the mystery of how a man could be stabbed to death by an invisible knife, while attempting to summon The Devil during a black rite.
Colonel March of Scotland Yard: Season 1 - 26 Episode s
1x1 - The Sorcerer
February 22, 1956
A psychologist is found stabbed to death in a seemingly sealed room. Inspector March needs to decide who had the most reason to kill him, and how did they accomplish the task.
1x2 - Present Tense
March 1, 1956
Colonel March's niece, a believer in spiritualism, thinks she hears her dead husband's voice and others in the house become convinced her husband has returned as a ghost. But has he?
1x3 - At Night All Cats Are Gray
March 8, 1956
A French fashion model asks for Colonel March's help, claiming a strange man is following her and she fears for her life. Several hours later she's found murdered, in mismatched colour, a telling clue for the inspector.
1x4 - The Abominable Snowman
April 8, 1956
Members of the Himalayan Mountaineering Club are threatened by what appears to be the abominable snowman, and someone leaves a strange footprint on a ledge outside Colonel March's office.
1x5 - The Headless Hat
April 11, 1956
While on holiday in France, there is a murder at the docks and Colonel March is asked by a friend of the French police to assist. The only clue left behind by the culprit, a sailor's cap - "looking for the head that fits this hat."
1x6 - The Second Mona Lisa
April 25, 1956
Two Mona Lisa paintings appear on the art market | but which one is the second original and which is the copy? Colonel March is determined to reveal the truth.
1x7 - Death In Inner Space
May 9, 1956
At an isolated château outside Paris, a scientist insists he's received radio waves emanating from Mars. Seeking a way to suspend a person's life functions during space travel, his volunteer subject dies from lack of oxygen. Accident or foul play?
1x8 - The Talking Head
May 16, 1956
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 an accidental plane crash?
1x9 - The Devil Sells His Soul
June 6, 1956
Colonel March hypnotises five people to solve the stabbing murder of Lord Telford, while he himself portrays the murder victim.
1x10 - Murder Is Permanent
June 13, 1956
Colonel March is called in to investigate a murder in a beauty salon. There are plenty of suspects and it's up to Colonel March to single out the murderer.
1x11 - The Silent Vow
June 20, 1956
Colonel March and Inspector Goron are present in a café when a customer dies from poisoned wine and the waiter falls under suspicion because he was a former chemist.
1x12 - Death And The Other Monkey
June 27, 1956
A scientist conducting cancer research is convinced that his test monkey was not only stolen but replaced. He is later found dead from gas, and Colonel March must prove if it was suicide or not.
1x13 - The Stolen Crime
July 4, 1956
A man demands to be arrested for plotting the perfect murder of his wealthy wife, who is found dead that night of natural causes. A valuable coin collection holds the answers.
1x14 - The Silver Curtain
July 10, 1956
Behind the "silver curtain" spray from a fountain, a man is found dead with a knife in his back. Colonel March is called in to investigate.
1x15 - Error At Daybreak
July 17, 1956
A shady businessman collapses on an oceanside jetty, the apparent victim of a heart attack, but a vacationing March discovers blood and a needle near the body. A little boy's lost ball may be the key to a possible murder.
1x16 - Hot Money
July 24, 1956
A bank robbery takes place and the suspect, never out of sight, is followed to his office, where he locks himself in. But when the police and Colonel March search his office there is no trace of the money!
1x17 - The Missing Link
July 31, 1956
A skull, known as the Damascus man, is stolen from a museum and Colonel March's life is imperiled trying to solve the case.
1x18 - The Case Of The Misguided Missal
August 7, 1956
A 15th century prayer volume disappears from a sealed casket inside the locked safe belonging to an Oxford Don. An illusionist is called in to demonstrate how the book can disappear from a locked safe, when the supernatural is suspected.
1x19 - The Deadly Gift
August 14, 1956
A pretty barmaid receives an unusual Christmas gift, a music box from a thief, dead ten years. But someone is soon murdered searching for something valuable hidden in the mysterious gift and Colonel March believes the music holds the key.
1x20 - The Case Of The Lively Ghost
August 21, 1956
A phony spiritualist believes she's truly summoned a real ghost. Colonel March attends her next seance to discover the identity of the spirit's killer - dead or alive.
1x21 - Death In The Dressing Room
August 28, 1956
Murder and blackmail culminate in this episode where a call for help during a Javenese dance is the clue that Colonel March needs to prove a faulty alibi.
1x22 - The New Invisible Man
September 4, 1956
Colonel March receives a queer complaint that a pair of disembodied gloves killed a man. He refuses to give up easily despite the fact there is no corpse, no blood, and no evidence of wrongdoing.
1x23 - Passage At Arms
September 11, 1956
A woman is found dead, but was it suicide or murder? A French fencing match provides the telling clue and Inspector Goron travels to London to assist Colonel March.
1x24 - The Invisible Knife
March 28, 1957
March must solve the mystery of how a man could be stabbed to death by an invisible knife, while attempting to summon The Devil during a black rite.
1x25 - The Case Of The Kidnapped Poodle
April 4, 1957
Colonel March is called in to investigate the theft of a valuable diamond as well as the kidnapping of a little boy's poodle. As the investigation continues, he begins to think both incidents may be connected.
1x26 - The Strange Events At Roman Falls
April 11, 1957
When a wife reports her reclusive mystery writer husband has accidentally fallen from a cliff, suspicion points to her as the killer. Colonel March is called in to investigate at the isolated seaside manor.