A former NYC cop turned private eye solves cases with help from his police contact. After moving to Hollywood, he finds romance and relies on "Sam" from his answering service to keep track of clients.
Where to Watch Season 4
26 Episodes
The Hoodlum
E1
The HoodlumA 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.
Act of Grace
E2
Act of GraceAn 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.
The Bookie
E3
The BookieA bookie decides to get rid of Lt. Kile, whose efforts to put a stop to the bookie's operation have begun to annoy him.
The Client
E4
The ClientA financier hires Diamond to search for his partner who has gone missing in Mexico.
The Runaway
E5
The RunawayWhile briefly stopping in San Francisco, Diamond finds himself the target of a gunman.
No Laughing Matter
E6
No Laughing MatterDiamond finds himself in a deserted amusement park on the trail of a desperate fugitive murderer.
The Messenger
E7
The MessengerDiamond is hired to deliver a note to a bank teller and is somewhat surprised when the teller screams after she reads the note.
The Counselor
E8
The CounselorA marriage counselor whose life has been threatened hires Diamond to protect him.
The Image
E9
The ImageAn 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.
The Adjustor
E10
The AdjustorDiamond receives a tip that a man who has been presumed dead for over a year is still alive.
Marked for Murder
E11
Marked for MurderDiamond finds himself in a lonely hearts club when he is hired to investigate the confusing circumstances surrounding a robbery and murder.
The Caller
E12
The CallerDiamond receives a mysterious telephone call which informs him that he will die at a specific time later that evening.
One Dead Cat
E13
One Dead CatA night club singer hires Diamond to protect her and her band leader from a disgruntled pianist who once played in their band.
Dead to the World
E14
Dead to the WorldA friend of Sam's wants Diamond to prove that her uncle's death was murder.
Seven Swords
E15
Seven SwordsSummoned 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?
The Fine Art of Murder
E16
The Fine Art of MurderAn actress hires Diamond after she learns that a valuable painting which she purchased is a fake.
The Popskull
E17
The PopskullDiamond follows a dog which is pursuing a bedraggled cat.
And Whose Little Baby Are You?
E18
And Whose Little Baby Are You?After returning to his apartment with a date, Diamond finds an infant abandoned on his couch.
Fallen Star
E19
Fallen StarA 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.
Coat of Arms
E20
Coat of ArmsA landlady finds one of her tenants dead in his room and shortly afterwards is greeted by a gun-wielding stranger looking for the man.
Double Trouble
E21
Double TroubleA diplomat who does not want the police to be involved, asks Diamond to find his missing fiancee.
The Lovely Fraud
E22
The Lovely FraudShortly 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.
Accent on Murder
E23
Accent on MurderA woman is killed after hiring Diamond to protect ""a young lady from France"" who turns out to be a poodle.
East of Danger
E24
East of DangerA woman hires Diamond when her father is attacked after he finds heroin hidden in his antique store warehouse.
Running Scared
E25
Running ScaredA man is concerned about his daughter, whom he feels has been spending too much time brooding over her husband's death.
The Mouse
E26
The MouseA French woman gets threats from a supposedly dead war criminal who knows the whereabouts of a fortune in smuggled diamonds.
Cast of Season 4
David JanssenRichard Diamond / Chuck Garrett
Richard DevonSgt. Alden
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