Aired: 2/2/1976
St. John investigates an old crime when the long missing body finally turns up, along with evidence that the police framed the man convicted of the crime.
Aired: 2/9/1976
St. John searches through the cutthroat music industry for the killer of a recording artist.
Aired: 2/16/1976
When the heir to a Greek-American fortune is murdered, his estranged younger brother becomes the prime suspect.
Aired: 2/23/1976
St. John looks for a killer and jewel thief inside a posh Los Angeles hotel.
Aired: 3/1/1976
The suspects in an actress's murder—a failed director, a faded star, a clerk, and a priest—are placed under police surveillance.
Aired: 3/8/1976
John tracks down a murdered barber/bookie's two sets of client to find who killed him.
Aired: 3/15/1976
A woman is shot by a sniper during a party at a marina apartment complex, leading St. John and Wade to a dark side of ""swinging singles.""
Aired: 3/22/1976
A criminologist whose speciality was the rehabilitation of parolees is killed and his research assistant assaulted, leaving St. John to piece through the man's work to find a suspect.
Aired: 4/5/1976
St. John searches for a serial killer dubbed ""The Executioner"" and rages when Sam's reporter ex-girlfriend reveals information about the case on television.
John and Sam argue when a strange teenager claims to have witnessed a murder; while St. John dismisses her as an emotionally disturbed attention-seeker, Sam believes she's genuine.
Aired: 4/12/1976
In the wake of a bank robber's return to Los Angeles, St. John investigates the murder of a witness to the man's crimes and tries to protect the remaining witnesses.
Aired: 4/19/1976
A murder leads St. John to another case when he discovers a link between a woman killed by plastic explosives planted in her car and an electronics firm.
Aired: 5/31/1976
St. John investigates the murder of a Texan who'd recently moved to Los Angeles and finds a world of cheating wives, greedy art dealers, and opportunistic gigolos.
Aired: 6/7/1976
John goes undercover in a sanitarium to investigate reports of elderly patients being bilked and murdered.
Aired: 6/14/1976
St. John enlists a local sheriff to help hunt down a woman suspected of murdering an small-town real estate promoter found dead in a Los Angeles motel.