Two police officers, the older Lt. Stone and the young upstart Inspector Keller, investigate murders and other serious crimes in San Francisco. Stone would become a second father to Keller as he learned the rigors and procedures of detective work.
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- Seasons
- 5
- Episodes aired
- 119
- Latest aired
- S05E24
- Total runtime
- 4d 19h
Timeline when each season aired
- Season 1 September 1972 – April 1973 26 episodes
- Season 2 September 1973 – March 1974 23 episodes
- Season 3 September 1974 – March 1975 23 episodes
- Season 4 September 1975 – March 1976 23 episodes
- Season 5 September 1976 – June 1977 24 episodes
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S04E01 Poisoned Snow
September 11 · 60min find the promo
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When a lady cop is killed in a drug sting gone wrong, her boyfriend cop decides to take matters into his own hands. Stone and Keller try to stop him.
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S04E02 The Glass Dart Board
September 18 · 60min find the promo
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While a psychopathic killer uses San Francisco hi-rises as target practice, Stone and Keller have to contend with a new Captain who immediately countermands everything they do.
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S04E03 No Place to Hide
September 25 · 60min find the promo
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Prison gangs intimidate weaker prisoners into having their wives smuggle drugs into prison -- and kill the wives if they don't.
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S04E04 Men Will Die
October 2 · 60min find the promo
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A rapist targets Stone's daughter and her friend; a radical feminist organization encourages them to take matters into their own hands.
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S04E05 School of Fear
October 9 · 60min find the promo
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A retired history teacher goes off the deep end and takes it upon himself to take a group of his former students hostage in an empty, condemned school. There, at gunpoint, he proceeds to teach them the finer points of history.
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S04E06 Deadly Silence
October 16 · 60min find the promo
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After Stone is hit by a van and suffers an inner ear injury, he considers changing to a desk job. Meanwhile, the vengeful wife of a man he killed stalks and tries to kill him in his half-deaf state.
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S04E07 Murder by Proxy
October 23 · 60min find the promo
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Property owners who refuse to sell their parcels find themselves murder victims at the hands of a developer.
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S04E08 Trail of Terror
October 30 · 60min find the promo
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When a gang of smuggling sailors kills a jeweler, they realize they have to eliminate his girlfriend for being a witness, and Keller, who is transporting the girlfriend to jail.
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S04E09 Web of Lies
November 6 · 60min find the promo
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Keller and Stone's sole witness in a jewel robbery turns out to be a compulsive liar.
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S04E10 Dead Air
November 13 · 60min find the promo
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A sleazy radio host is accused of murder when a former girlfriend, who was pregnant, is shot.
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S04E11 Merchants of Death
November 20 · 60min find the promo
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A youth-center worker is caught in a war between two teenaged street gangs, a war that really has the heat turned up when one of the gangs obtains automatic rifles.
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S04E12 The Cat's Paw
December 4 · 60min find the promo
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Lieutenant Stone is placed in the awkward position of investigating a burglary with Irene Martin, a lady cop -- who is also his girlfriend who he's just proposed to. She resents his intrusion into 'her' case and their relationship unravels.
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S04E13 Spooks for Sale
December 11 · 60min find the promo
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The death of a night-watchman during a burglary puts Stone and Keller into the midst of a spy-vs.-spy conflict between high-tech industrial espionage firms.
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S04E14 Most Likely to Succeed
December 18 · 60min find the promo
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A teacher is murdered at an exclusive all-boys prep school.
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S04E15 Police Buff
January 8 · 60min find the promo
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A vigilante is methodically and savagely wiping out criminals who have managed to slip through the fingers of the legal system.
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S04E16 The Honorable Profession
January 15 · 60min find the promo
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Stone and Keller search for the only eyewitness to a shooting -- a self-proclaimed doctor who gave them a false name.
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S04E17 Requiem for Murder
January 22 · 60min find the promo
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A bishop (Mike's friend) tries to protect the person who shot him, but revelations in the course of the investigation start to shed suspicion on the bishop's accounting of events entirely.
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S04E18 Underground
January 29 · 60min find the promo
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A cop seeks to catch his brother's murderer by going undercover in an illegal gambling operation.
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S04E19 Judgment Day
February 19 · 60min find the promo
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Four judges have been murdered, and in each case an obsolete pamphlet on disbarrment proceedings is found near the body...
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S04E20 Clown of Death
February 26 · 60min find the promo
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Two retired brothers, both having worked as riggers for circuses many years before, are found murdered while a circus happens to be performing in San Francisco at the Cow Palace.
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S04E21 Superstar
March 4 · 60min find the promo
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Stone clashes with an abrasive NYC cop who is on the trail of his partner's killer.
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S04E22 Alien Country
March 11 · 60min find the promo
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When an Immigration raid goes wrong and a security guard is killed, the prime suspect becomes one of the illegal immigrants.
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S04E23 Runaway
March 18 · 60min find the promo
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Stone searches for a fugitive, and is dogged by the fugitive's innocent and naive daughter.