When Does Richard Diamond, Private Detective Season 4 Come Out? Is It Renewed?
Richard Diamond, Private Detective ended after Season 3.
IMDb
7.8/10
Seasons
4
Episodes
77

Diagnostics
- Network
- CBS
- Genres
- Crime, Drama, Action & Adventure
- First aired
- 1957-07-01
- Last aired
- 1960-09-06
- Runtime
- 30 min
Predictive Logic Analysis
Richard Diamond, Private Detective has concluded its run. Production records list the series as ended, meaning the story has been brought to a planned close rather than left open. Barring a revival, there is no Season 5 in development.
What is Richard Diamond, Private Detective about?
Richard Diamond, Private Detective brought the popular radio detective to television in 1957, offering viewers a stylish entry point into the world of mid-century private investigation. The show follows Richard Diamond as he navigates Los Angeles's criminal underworld, taking on cases that range from simple missing persons to complex murder investigations. What gives the premise its particular appeal is the chemistry between Diamond and the world around him—a mix of tough detective work, clever problem-solving, and the kind of resourcefulness that separates good operatives from great ones. The show trades on the fundamental appeal of the smart detective solving crimes through wit and persistence rather than mere brute force.
Created by Blake Edwards, who would go on to become a major Hollywood director, the series establishes itself with crisp, efficient storytelling and a lean approach to crime drama. The tone balances procedural realism with entertainment value; this is gritty enough to feel grounded yet light enough to avoid becoming oppressive. Edwards' hand is evident in the show's pacing and visual style, which feels more cinematic than many of its television contemporaries. The series benefits from strong supporting work, particularly in its portrayal of police procedural elements, grounding the private detective adventures in a world that feels lived-in and authentic.
The show found solid audience support during its run from 1957 to 1960, accumulating 77 episodes across four seasons and earning a respectable 7.8 rating on IMDb from viewers who appreciated its execution. The series succeeded in translating radio success to the television medium, demonstrating that the character and concept had genuine staying power across different formats. While not a phenomenon, it carved out a reliable place in CBS's lineup and contributed to the larger wave of detective and crime shows that defined 1950s television.
Richard Diamond occupies an important position in the evolution of television detective fiction, arriving during the period when private eye shows were becoming a dominant television form. It sits comfortably alongside other procedurals of the era while maintaining its own identity through Edwards' creative oversight and the quality of its execution. The show represents a middle path between the straightforward police procedural and the more flamboyant detective narratives that would follow, establishing conventions that would influence crime television for years to come.
Created by Blake Edwards
Themes
Is Richard Diamond, Private Detective renewed or cancelled?
Working against it
The series is listed as ended
Richard Diamond, Private Detective Season 4 Release Date
No new season is expected. Richard Diamond, Private Detective has ended, so there is no upcoming release to anticipate unless a revival is announced.
Richard Diamond, Private Detective seasons
Season 11957 · 12 ep
- 1. The Mickey Farmer Case1957-07-01
- 2. Custody1957-07-08
- 3. Escape from Oak Lane1957-07-15
- 4. The Homicide Habit1957-07-22
- 5. Picture of Fear1957-07-29
- 6. Hit and Run1957-08-05
- 7. The Big Score1957-08-12
- 8. The Chess Player1957-08-19
- 9. The Torch Carriers1957-08-26
- 10. The Pete Rocco Case (a.k.a. Prison Break)1957-09-09
- 11. Venus of Park Avenue1957-09-16
- 12. The Merry-Go-Round Case1957-09-23
Season 21958 · 21 ep
- 1. The Space Society1958-01-02
- 2. The Dark Horse (a.k.a. The Allison Garvey Case)1958-01-09
- 3. The Payoff1958-01-16
- 4. Double Jeopardy1958-01-23
- 5. Arson1958-01-30
- 6. The Ed Church Case1958-02-06
- 7. Chinese Honeymoon (a.k.a. Trouble in Chinatown)1958-02-13
- 8. Rodeo1958-02-20
- 9. A Cup of Black Coffee1958-02-27
- 10. The George Dale Case1958-03-06
- 11. Juvenile Jacket1958-03-13
- 12. Pension Plan1958-03-27
- 13. Short Haul1958-04-10
- 14. Another Man's Poison1958-04-17
- 15. The Purple Penguin1958-04-24
- 16. Lost Testament1958-05-01
- 17. The Percentage Takers1958-05-08
- 18. Widow's Walk1958-05-22
- 19. The Bungalow Murder1958-05-29
- 20. One Foot in the Grave1958-06-12
- 21. Snow Queen1958-06-26
Season 31959 · 18 ep
- 1. The Sport (a.k.a. The Larry Forsythe Case)1959-02-15
- 2. Pack Rat1959-02-22
- 3. Body of the Crime1959-03-01
- 4. Soft Touch (a.k.a. The Revolution)1959-03-08
- 5. Boomerang Bait1959-03-15
- 6. Matador Murder (a.k.a. Mexican Art Swindle)1959-03-22
- 7. Murder at the Mansion1959-03-29
- 8. Marineland Mystery1959-04-05
- 9. Charity Affair1959-04-12
- 10. Two for Paradise1959-04-19
- 11. Crown of Silla1959-05-03
- 12. Jukebox1959-05-10
- 13. Echo of Laughter1959-05-17
- 14. The Limping Man1959-05-24
- 15. The Hideout1959-05-31
- 16. Rough Cut1959-06-07
- 17. Family Affair1959-06-14
- 18. Design for Murder1959-06-21
Season 41959 · 26 ep
- 1. The Hoodlum1959-10-05
- 2. Act of Grace1959-10-12
- 3. The Bookie1959-10-19
- 4. The Client1959-10-26
- 5. The Runaway1959-11-02
- 6. No Laughing Matter1959-11-09
- 7. The Messenger1959-11-16
- 8. The Counselor1959-11-23
- 9. The Image1959-11-30
- 10. The Adjustor1959-12-07
- 11. Marked for Murder1959-12-14
- 12. The Caller1959-12-21
- 13. One Dead Cat1959-12-28
- 14. Dead to the World1960-01-11
- 15. Seven Swords1960-01-18
- 16. The Fine Art of Murder1960-01-25
- 17. The Popskull1960-06-28
- 18. And Whose Little Baby Are You?1960-07-05
- 19. Fallen Star1960-07-19
- 20. Coat of Arms1960-08-02
- 21. Double Trouble1960-08-09
- 22. The Lovely Fraud1960-08-16
- 23. Accent on Murder1960-08-23
- 24. East of Danger1960-08-30
- 25. Running Scared1960-09-06
- 26. The MouseTBA
Richard Diamond, Private Detective cast
View all cast →
David Janssen
Richard Diamond / Chuck Garrett

Richard Devon
Sgt. Alden
AI Verdict
Richard Diamond, Private Detective has ended. Its final season has already aired and no further seasons are expected.
Verdict updated 1 month ago
Updated 2026-05-17 · AI-generated analysis
How we predict →Our verdicts have proved right for 59 of 82 decided shows →Richard Diamond, Private Detective latest news
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Frequently asked
- When does Richard Diamond, Private Detective Season 4 come out?
- Richard Diamond, Private Detective ended after Season 3.
- Is Richard Diamond, Private Detective renewed or cancelled?
- Richard Diamond, Private Detective has ended. Its final season has already aired and no further seasons are expected.
- How many seasons of Richard Diamond, Private Detective are there?
- Richard Diamond, Private Detective has aired 4 seasons so far.
- How many episodes of Richard Diamond, Private Detective are there?
- There are 77 episodes of Richard Diamond, Private Detective across 4 seasons.
- Who created Richard Diamond, Private Detective?
- Richard Diamond, Private Detective was created by Blake Edwards.
- What is Richard Diamond, Private Detective's IMDb rating?
- Richard Diamond, Private Detective holds an IMDb rating of 7.8/10 from 283 votes.































