Season 4

1. The Hoodlum

1959-10-05 · 30m

A racketeer's bookkeeper gets Diamond involved in a blackmail scheme against his boss, when he asks him to find a book and gives him only one hour to do so.

2. Act of Grace

1959-10-12 · 30m

An acquaintance of Diamond's is murdered. At his grave at a potter's field, Diamond sees a wealthy old woman laying flowers at some of the unmarked graves. Diamond tries to find the connection between her and his down-on-his-luck friend.

3. The Bookie

1959-10-19 · 30m

A bookie decides to get rid of Lt. Kile, whose efforts to put a stop to the bookie's operation have begun to annoy him.

4. The Client

1959-10-26 · 30m

A financier hires Diamond to search for his partner who has gone missing in Mexico.

5. The Runaway

1959-11-02 · 30m

While briefly stopping in San Francisco, Diamond finds himself the target of a gunman.

6. No Laughing Matter

1959-11-09 · 30m

Diamond finds himself in a deserted amusement park on the trail of a desperate fugitive murderer.

7. The Messenger

1959-11-16 · 30m

Diamond is hired to deliver a note to a bank teller and is somewhat surprised when the teller screams after she reads the note.

8. The Counselor

1959-11-23 · 30m

A marriage counselor whose life has been threatened hires Diamond to protect him.

9. The Image

1959-11-30 · 30m

An old nemesis of Diamond's on the police force has Diamond arrested on murder charges after the girlfriend of an escaped convict is found murdered.

10. The Adjustor

1959-12-07 · 30m

Diamond receives a tip that a man who has been presumed dead for over a year is still alive.

11. Marked for Murder

1959-12-14 · 30m

Diamond finds himself in a lonely hearts club when he is hired to investigate the confusing circumstances surrounding a robbery and murder.

12. The Caller

1959-12-21 · 30m

Diamond receives a mysterious telephone call which informs him that he will die at a specific time later that evening.

13. One Dead Cat

1959-12-28 · 30m

A night club singer hires Diamond to protect her and her band leader from a disgruntled pianist who once played in their band.

14. Dead to the World

1960-01-11 · 30m

A friend of Sam's wants Diamond to prove that her uncle's death was murder.

15. Seven Swords

1960-01-18 · 30m

Summoned to a theater by a phone call, Diamond watches a magician thrust seven swords into a box containing his assistant. Is this the dangerous situation he was called to deal with?

16. The Fine Art of Murder

1960-01-25 · 30m

An actress hires Diamond after she learns that a valuable painting which she purchased is a fake.

17. The Popskull

1960-06-28 · 30m

Diamond follows a dog which is pursuing a bedraggled cat.

18. And Whose Little Baby Are You?

1960-07-05 · 30m

After returning to his apartment with a date, Diamond finds an infant abandoned on his couch.

19. Fallen Star

1960-07-19 · 30m

A journalist hires Diamond to look into the death of a singer who fell to her death, which he suspects was a murder but that the police have ruled a suicide.

20. Coat of Arms

1960-08-02 · 30m

A landlady finds one of her tenants dead in his room and shortly afterwards is greeted by a gun-wielding stranger looking for the man.

21. Double Trouble

1960-08-09 · 30m

A diplomat who does not want the police to be involved, asks Diamond to find his missing fiancee.

22. The Lovely Fraud

1960-08-16 · 30m

Shortly after a dancer takes out a large insurance policy on her legs, she gets injured by a hit and run driver and is forced to collect on the policy.

23. Accent on Murder

1960-08-23 · 30m

A woman is killed after hiring Diamond to protect ""a young lady from France"" who turns out to be a poodle.

24. East of Danger

1960-08-30 · 30m

A woman hires Diamond when her father is attacked after he finds heroin hidden in his antique store warehouse.

25. Running Scared

1960-09-06 · 30m

A man is concerned about his daughter, whom he feels has been spending too much time brooding over her husband's death.

26. The Mouse

30m

A French woman gets threats from a supposedly dead war criminal who knows the whereabouts of a fortune in smuggled diamonds.