#1 | 05.10.1959Episode 1 (The Hoodlum)
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 | 12.10.1959Episode 2 (Act of Grace)
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 | 19.10.1959Episode 3 (The Bookie)
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 | 26.10.1959Episode 4 (The Client)
A financier hires Diamond to search for his partner who has gone missing in Mexico.
#5 | 02.11.1959Episode 5 (The Runaway)
While briefly stopping in San Francisco, Diamond finds himself the target of a gunman.
#6 | 09.11.1959Episode 6 (No Laughing Matter)
Diamond finds himself in a deserted amusement park on the trail of a desperate fugitive murderer.
#7 | 16.11.1959Episode 7 (The Messenger)
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 | 23.11.1959Episode 8 (The Counselor)
A marriage counselor whose life has been threatened hires Diamond to protect him.
#9 | 30.11.1959Episode 9 (The Image)
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 | 07.12.1959Episode 10 (The Adjustor)
Diamond receives a tip that a man who has been presumed dead for over a year is still alive.
#11 | 14.12.1959Episode 11 (Marked for Murder)
Diamond finds himself in a lonely hearts club when he is hired to investigate the confusing circumstances surrounding a robbery and murder.
#12 | 21.12.1959Episode 12 (The Caller)
Diamond receives a mysterious telephone call which informs him that he will die at a specific time later that evening.
#13 | 28.12.1959Episode 13 (One Dead Cat)
A night club singer hires Diamond to protect her and her band leader from a disgruntled pianist who once played in their band.
#14 | 11.01.1960Episode 14 (Dead to the World)
A friend of Sam's wants Diamond to prove that her uncle's death was murder.
#15 | 18.01.1960Episode 15 (Seven Swords)
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 | 25.01.1960Episode 16 (The Fine Art of Murder)
An actress hires Diamond after she learns that a valuable painting which she purchased is a fake.
#17 | 28.06.1960Episode 17 (The Popskull)
Diamond follows a dog which is pursuing a bedraggled cat.
#18 | 05.07.1960Episode 18 (And Whose Little Baby Are You?)
After returning to his apartment with a date, Diamond finds an infant abandoned on his couch.
#19 | 19.07.1960Episode 19 (Fallen Star)
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 | 02.08.1960Episode 20 (Coat of Arms)
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 | 09.08.1960Episode 21 (Double Trouble)
A diplomat who does not want the police to be involved, asks Diamond to find his missing fiancee.
#22 | 16.08.1960Episode 22 (The Lovely Fraud)
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 | 23.08.1960Episode 23 (Accent on Murder)
A woman is killed after hiring Diamond to protect ""a young lady from France"" who turns out to be a poodle.
#24 | 30.08.1960Episode 24 (East of Danger)
A woman hires Diamond when her father is attacked after he finds heroin hidden in his antique store warehouse.
#25 | 06.09.1960Episode 25 (Running Scared)
A man is concerned about his daughter, whom he feels has been spending too much time brooding over her husband's death.
#26Episode 26 (The Mouse)
A French woman gets threats from a supposedly dead war criminal who knows the whereabouts of a fortune in smuggled diamonds.