Der kleine Doktor

Los Angeles County medical examiner Quincy routinely engages in police investigations.

A whip-smart doctor comes to the U.S. for a medical treatment to save her ailing son. But when the system fails and pushes her into hiding, she refuses to be beaten down and marginalized. Instead, she becomes a cleaning lady for the mob and starts playing the game by her own rules.

Dr. Mark Sloan is a good-natured, offbeat physician who is called upon to solve murders.

Kowalsky

Die Drei

John Ellis, a disillusioned suburban ER doctor, who finds his existence transformed when he intervenes in a drive-by shooting, saving a young boy's life and killing one of his attackers. When he learns the boy is still marked for death he finds himself compelled to save him at any cost and discovers that his life and his outlook on medicine may never be the same.

Detective Mike Hammer uses his savvy grit against deceptive enemies in Southern California.

Dr. Megan Hunt was in a class of her own, a brilliant neurosurgeon at the top of her game. But her world is turned upside down when a devastating car accident puts an end to her time in the operating room. Megan resumes her career as a medical examiner, determined to solve the puzzle of who or what killed the victims.

Brothers work as private investigators.

Michael Shayne

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.

Adrian Monk was once a rising star with the San Francisco Police Department, legendary for using unconventional means to solve the department's most baffling cases. But after the tragic (and still unsolved) murder of his wife Trudy, he developed an extreme case of obsessive-compulsive disorder. Now working as a private consultant, Monk continues to investigate cases in the most unconventional ways.

Hafendetektiv

Jonathan Ames, a young Brooklyn writer, is feeling lost. He's just gone through a painful break-up, thanks in part to his drinking, can't write his second novel, and carouses too much with his magazine editor. Rather than face reality, Jonathan turns instead to his fantasies — moonlighting as a private detective — because he wants to be a hero and a man of action.

Kenzou Tenma, a Japanese brain surgeon in Germany, finds his life in utter turmoil after getting involved with a psychopath that was once a former patient.

Die Fälle des Herrn Konstantin

Barnaby Jones is a television detective series starring Buddy Ebsen and Lee Meriwether as father- and daughter-in-law who run a private detective firm in Los Angeles. The show ran on CBS from January 28, 1973 to April 3, 1980, beginning as a midseason replacement. William Conrad guest starred as Frank Cannon of Cannon on the first episode of Barnaby Jones, "Requiem for a Son" and the two series had a two-part crossover episode in 1975, "The Deadly Conspiracy".

The View from Daniel Pike is a 1971–73 Scottish TV drama series created and written by Edward Boyd, and starring Roddy McMillan as Daniel Pike, a hard-boiled private detective based in Glasgow. A few of the stories were later adapted into book form.

From England to Egypt, accompanied by his elegant and trustworthy sidekicks, the intelligent yet eccentrically-refined Belgian detective Hercule Poirot pits his wits against a collection of first class deceptions.

Sherlock Holmes uses his abilities to take on cases by private clients and those that the Scotland Yard are unable to solve, along with his friend Dr. Watson.