McCarren and Rado become embroiled in a case involving Soviet and American spies.

Rado and McCarren assist young model Annie Shane and her brother Brian, who are caught up in drug trafficking. They are targeted by powerful kingpin Bob Silver for a $20,000 cocaine package they possess. Corrupt cops Page and Costa, now Silver's enforcers, eliminate anyone obstructing his operations.

McCarren and Rado are frustrated by their girlfriends and by a young couple brazenly pulling holdups right under their noses. 

McCarren and Rado search for a ruthless killer, a counterfeiter trying to unload a shipment of bogus notes. The duo search for the ruthless killer of a San Francisco fellow officer.

Detectives McCarren and Rado have been assigned to provide protection for Eddie Cooper, a charismatic movie star whose life is under threat. Special guest star Leigh McCloskey portrays Eddie Cooper, whose presence inadvertently disrupts Nick and Jack's holiday plans. After successfully resolving a complex case involving an armed assailant, the undercover detectives yearn for a much-needed escape. However, their plans are thwarted when Captain Kiddle tasks them with the responsibility of safeguarding Cooper.

After McCarren and Rado arrest the dangerous criminal Vance Bates, his brother, and henchmen besiege the precinct for a trade.

The murder of an undercover reporter leads McCarren and Rado to the con man responsible of the crime. Stack, an informant for Nick and Rado, becomes involved in the murder of a journalist, Roger Bourne, who was on the trail of Scanlon, a drug dealer who owned the docks from which he distributed drugs. Stack, an informant for Nick and Rado, becomes involved in the murder of journalist Roger Bourne, who was investigating Scanlon, a drug dealer operating from the docks.

Detectives McCarren and Rado are assigned to protect an accountant who's scheduled to testify at an organized-crime trial.

Detectives Rado and McCarren come to the assistance of an AWOL marine trying to find his girlfriend, who's about to give birth. 

The duo wage a territorial war over a drug dealer with Beverly Hill cops.

The killing of a playboy bachelor puts McCarren and Rado on the trail of a ruthless murderer. Rado and McCarren's probe into the murder of a swinging bachelor leads them into a case involving a series of robberies.

The two detectives discover that all that glitters is not gold in Hollywood when a celebrity photographer is murdered because of a picture he took.

Officers McCarren and Rado get involved with Gideon King, a former friend who pilfered some jewels from a group of master thieves. The friend, a veteran private eye, heists a diamond cache.

Covert cops Nick McCarren and Jack Rado employ a number of disguises and rely on a network of neighborhood contacts to wipe out crime in Tinseltown. Nick and Jack (Jack Scalia, Jay Acovone) are called in to investigate when someone tries to eliminate the street people.