Moonlighting (1985)

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.

Vega$ is an American detective television drama series that aired on ABC between 1978 and 1981. It was produced by Aaron Spelling. The series was filmed in its entirety in Las Vegas, Nevada. It is believed to be the first television series produced entirely in Las Vegas. The show stars Robert Urich as private detective Dan Tanna, who drove around the streets of Las Vegas in a red 1957 Ford Thunderbird solving crimes and making Las Vegas a better place for residents and tourists alike.

Two detectives, DCI McDonald and DS Dodds, who seemingly have nothing in common, are thrown together and forge a rumbustious friendship and entertaining partnership.

A spirited con woman and a demoted by-the-book detective are given the chance to redeem themselves. The catch? They have to find a way to work together each using their unique skills to solve crimes.

Ex-pro hockey player Matt Shade irrevocably changes his life when he teams up with fierce P.I. Angie Everett to form an unlikely investigative powerhouse.

Sylvester and Tweety help out when Granny opens a detective agency.

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".

Frank Hathaway, a hardboiled private investigator, and his rookie sidekick Lu Shakespeare form the unlikeliest of partnerships as they investigate the secrets of rural Warwickshire's residents.

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.

Burnt out on office politics, Agatha Raisin retires early to a picturesque village in the Cotswolds and soon finds a second career as an amateur detective investigating mischief, mayhem, and murder in her deceptively quaint town.