Jigsaw John (Season 1)

Promise to Kill (Episode 1)

Air date: 1976-02-02

Runtime: 60 min

Overview: 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.

Sand Trap (Episode 2)

Air date: 1976-02-09

Runtime: 60 min

Overview: St. John searches through the cutthroat music industry for the killer of a recording artist.

Too Much, Too Soon Blues (Episode 3)

Air date: 1976-02-16

Runtime: 60 min

Overview: When the heir to a Greek-American fortune is murdered, his estranged younger brother becomes the prime suspect.

Thicker Than Blood (Episode 4)

Air date: 1976-02-23

Runtime: 60 min

Overview: St. John looks for a killer and jewel thief inside a posh Los Angeles hotel.

Dry Ice (Episode 5)

Air date: 1976-03-01

Runtime: 60 min

Overview: The suspects in an actress's murder—a failed director, a faded star, a clerk, and a priest—are placed under police surveillance.

Follow the Yellow Brick Road (Episode 6)

Air date: 1976-03-08

Runtime: 60 min

Overview: John tracks down a murdered barber/bookie's two sets of client to find who killed him.

The Mourning Line (Episode 7)

Air date: 1976-03-15

Runtime: 60 min

Overview: 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.""

Death of the Party (Episode 8)

Air date: 1976-03-22

Runtime: 60 min

Overview: 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.

Executioner (Episode 9)

Air date: 1976-04-05

Runtime: 60 min

Overview: 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.

The Executioner (Episode 10)

Air date: 1976-04-05

Runtime: 60 min

Overview: 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.

The Runaway (Episode 11)

Air date: 1976-04-12

Runtime: 60 min

Overview: 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.

Plastique (Episode 12)

Air date: 1976-04-19

Runtime: 60 min

Overview: 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.

Homicide is a Fine Art (Episode 13)

Air date: 1976-05-31

Runtime: 60 min

Overview: 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.

Ole-Ole an Free (Episode 14)

Air date: 1976-06-07

Runtime: 60 min

Overview: John goes undercover in a sanitarium to investigate reports of elderly patients being bilked and murdered.

Homicide 96403: John Smith (Episode 15)

Writer: Robert Specht

Air date: 1976-06-14

Runtime: 60 min

Overview: 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.