Lighthearted look at the adventures of two Highway Patrol officers in Los Angeles. The main characters are Jon Baker and Frank Poncherello, two motorcycle officers always on the street to save lives.

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".

Laura Holt, a licensed private detective, opens a detective agency but finds that potential clients refuse to hire a woman, however qualified. To solve the problem, Laura invents a fictitious male superior whom she names Remington Steele. Through a series of events that unfold in the first episode, "License to Steele," a former thief and con man, whose real name is never revealed, assumes the identity of Remington Steele. Behind the scenes, Laura remains firmly in charge.

Sean King and Michelle Maxwell aren't your typical pair of private investigators. As discredited Secret Service agents, their unique skills often give them a leg up on suspects and conventional law enforcement. He's charming and always one step ahead of the game; she's a fearless force to be reckoned with. As a team, they're unstoppable.

Brothers work as private investigators.

After seeing an ad for a midwife, a recently divorced big-city nurse moves to the redwood forests of California, where she meets an intriguing man.

Each episode of this series, set in contemporary Los Angeles, examines one crime from many different viewpoints - uniformed cops, detectives, witnesses, the media, the fire department and rescue squad, even the criminals themselves.

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.

Eddie Sutton is a dedicated police officer, his wife Jenn, a devoted nurse, but their most important job is as parents to their three teenage children Cassie, Tay and Lizzie. They're your everyday American family living in the suburbs of Southern California, but the Suttons are thrown for a loop when Eddie decides to move his wife and three kids to the inner-city neighborhood where he grew up.

Randall and Hopkirk (Deceased) is a British private detective television series. In the initial episode Hopkirk is murdered during an investigation, but returns as a ghost. Randall is the only main character able to see or hear him, although certain minor characters are also able to do so in various circumstances throughout the series.

Gabriel's Fire is an American television series that ran on ABC in the USA in 1990–1991. A revamped version of the series, entitled Pros and Cons, aired briefly the following season.

Cranky but likable L.A. PI Jim Rockford pulls no punches (but takes plenty of them). An ex-con sent to the slammer for a crime he didn't commit, Rockford takes on cases others don't want, aided by his tough old man, his lawyer girlfriend and some shady associates from his past.

Mystery and suspense series based on Robert Parker's "Spenser" novels. Spenser, a private investigator living in Boston, gets involved in a new murder mystery each episode.

Tenspeed and Brown Shoe is an American detective/comedy series originally broadcast by the ABC network between January and June 1980. The series was created and executive produced by Stephen J. Cannell.

Stu Bailey and Jeff Spencer are the wisecracking, womanizing private-detective heroes of this Warner Brothers drama. They work out of an office located at 77 Sunset Strip in Los Angeles, California, right next door to a snazzy restaurant where Kookie works as a valet. The finger-snapping, slang-talking Kookie occasionally helps Stu and Jeff with their cases, and eventually becomes a full-fledged member of the detective agency. Rex Randolph and J.R. Hale also join the firm, and Suzanne is their leggy secretary.

In Imperial Beach, California, the Yosts—a dysfunctional family of surfers—intersect with two new arrivals to the community: a dim-but-wealthy surfing enthusiast and man spurned by the Yosts years ago.

The City of Angels is falling apart, and crime pervades the city to the core. The mayor is corrupt, the police are inept, the city needs a figure to take control of the situation. Then in the light of day Darcy Walker is a cop, but in the dark of night she becomes the Black Scorpion. She does with a mash what she can't do with a badge. This is vigilante justice, old school style.