Mickey Spillane's Mike Hammer (1958)

Dr Lucien Blake left Ballarat as a young man. But now he finds himself returning to take over not only his dead father's medical practice, but also his on-call role as the town's police surgeon, only to find change is afoot, nothing is sacred, and no one is safe.

In the fictional town of Neptune, California, student Veronica Mars progresses from high school to college while moonlighting as a private investigator under the tutelage of her detective father.

A recently retired English professor discovers a real knack for investigation and cannot help but interfere with the cases assigned to her police detective son.

Baywatch Nights is an American police and science fiction drama series that aired in syndication from 1995 to 1997. Created by Douglas Schwartz, David Hasselhoff, and Gregory J. Bonann, the series is a spin-off from the popular television series, Baywatch.

Explore the psychological underpinnings of love and murder in a small mountain resort town while following popular children’s book author and illustrator Olivia Lake, whose literary success makes her a local celebrity in the tight-knit community.

Jack Irish is a man getting his life back together again. A former criminal lawyer whose world imploded, he now spends his days as a part-time investigator, debt collector, apprentice cabinet maker, punter and sometime lover – the complete man really. An expert in finding those who don’t want to be found – dead or alive, Jack helps out his mates while avoiding the past. That is until the past finds him.

Mannix is an American television detective series that ran from 1967 through 1975 on CBS. Created by Richard Levinson and William Link and developed by executive producer Bruce Geller, the title character, Joe Mannix, is a private investigator. He is played by Mike Connors. Mannix was the last series produced by Desilu Productions.

Jake and the Fatman is a television crime drama starring William Conrad as prosecutor J. L. "Fatman" McCabe and Joe Penny as investigator Jake Styles. The series ran on CBS for five seasons from 1987 to 1992. Diagnosis: Murder was a spin-off of this series.

Tommy Lynley is a brilliant police detective but an outsider in the force – simply by virtue of his aristocratic upbringing. He is paired with Barbara Havers, a sergeant with a maverick attitude and a working-class background. With seemingly nothing in common and against all odds, the mismatched duo of Lynley and Havers become a formidable team, bonded by their desire to see justice done.

Father Brown is based on G. K. Chesterton's detective stories about a Catholic priest who doubles as an amateur detective in order to try and solve mysteries.