Poisoned Snow
Episode: 4x01 | Airdate: Sep 11, 1975
A narcotics cop driven over the edge laces a batch of cocaine with cyanide and sets it loose on the streets.
Episode: 4x01 | Airdate: Sep 11, 1975
A narcotics cop driven over the edge laces a batch of cocaine with cyanide and sets it loose on the streets.
Episode: 4x02 | Airdate: Sep 18, 1975
A sniper is randomly shooting people in a high-rise building and threatens to continue doing it until he is paid a million dollars. Stone and Keller try to identify and stop the assailant, but Stone believes the methods of the acting captain in charge of the investigation are wrong for the situation.
Episode: 4x03 | Airdate: Sep 25, 1975
The wife of a prison inmate is shot and killed in a laundromat in what looks like a professional hit. Stone and Keller determine that it was the work of a prison gang that is using outside enforcers to force inmates' wives to help them smuggle drugs into the prison. Another wife of a prisoner is now targeted to be made to do what the murdered woman would not.
Episode: 4x04 | Airdate: Oct 2, 1975
After Jeannie's friend Nancy kills one of her rapists, Jeannie is furious at the way the justice system works. She becomes involved with an aggressive rape crisis group headed by crusading attorney Catherine Wyatt. Rapist Jack Marlin becomes a target of their efforts.
Episode: 4x05 | Airdate: Oct 9, 1975
After one of his fellow teachers is killed on the schoolyard during a fight between two students, a veteran former teacher kidnaps four troublesome students and holds them in an abandoned private school, where he chains them while he forces them to read history lessons.
Episode: 4x06 | Airdate: Oct 16, 1975
Stone is hit by a getaway van after a robbery, but manages to shoot one of the robbers. When the man dies, his wife and accomplice vows revenge against Stone.
Episode: 4x07 | Airdate: Oct 23, 1975
An old neighborhood has suddenly seen a huge upsurge in violent crime committed against its homeowners, including murder. Keller and Stone find that it may be tied to the fact that all the people in the neighborhood had been approached by a real estate agent making substantially high offers to buy their properties, and that the agent is working for a major corporation.
Episode: 4x08 | Airdate: Oct 30, 1975
James Woods plays the perfect homely US Navy sailor in dress blues with a bad temper, along with his Navy buddies they are looking for a jeweler that closed his store a few days before they hit town. There course leads to murder, anchors aweigh.
Episode: 4x09 | Airdate: Nov 6, 1975
Three band members have the perfect racket, a diamond heist. But one guy sees the driver and then makes that known on public TV.
Episode: 4x10 | Airdate: Nov 13, 1975
The murder of a pregnant girl leads Stone and Keller to arrogant radio host Terry Vine, who has a large female fanbase. The dead girl claimed to be pregnant with Vine's baby, giving him a motive for murder, and after her blackmailing roommate also turns up dead, Keller is convinced Vine is the killer.
Episode: 4x11 | Airdate: Nov 20, 1975
When a gang member is killed, it signals a turf war between two rival street gangs. Meanwhile, two youths locate a missing crate of guns and decide to sell them to the gang members.
Episode: 4x12 | Airdate: Dec 4, 1975
Stone is assigned to partner on a cat burglary case with an inspector he has become romantically involved with and even proposed to. But when a woman is apparently murdered by the burglar, Stone's relationship with his new partner is strained as he believes the burglar is the killer, and she does not believe the murder fits the burglar's pattern.
Episode: 4x13 | Airdate: Dec 11, 1975
Surveillance is the game here. But a break-in ends up with the night watchman dead of a heart attack. Tom Selleck although not in the opening credits, he plays a major role. During the lunch scene they are eating at Sinbad's Resturant at Pier 2 in San Francisco, which is still there even today. I had my wedding reception there in 1984, great place.
Episode: 4x14 | Airdate: Dec 18, 1975
A student at a prestigious boys' school, under pressure by his father to get into Harvard, kills a professor when he will not change the failing grade he was going to give him in one class.
Episode: 4x15 | Airdate: Jan 8, 1976
Bill Bixby places a guy who like to follow the police scanner. He wants to be a cop, but cannot hack it, and ends up taking the law into his own hands. And a good cop gets blamed.
Episode: 4x16 | Airdate: Jan 15, 1976
After being shot by robbers who were holding up a store, a young police officer is treated by a doctor who was on the scene. Unfortunately, the officer later dies, and the doctor becomes the only one who can identify the robbers. But when Stone and Keller try to call him, they find that he had to be using a phony name. The man has been practicing using the name of several different doctors.
Episode: 4x17 | Airdate: Jan 22, 1976
A Bishop gets shot after receiving a crank letter.
Episode: 4x18 | Airdate: Jan 29, 1976
When the brother of a cop is killed along with the mobster he was working for, the young officer is assigned to work undercover as a bookie to find out who ordered the hit. Stone, who is ordered to tell no one else about the man's assignment. is concerned that the officer is too concerned with revenge to handle the job effectively.
Episode: 4x19 | Airdate: Feb 19, 1976
Two judges and two attorneys have been murdered, with a book about disbarment procedures found nearby. The detectives find that the killer is a disbarred attorney's son, who is executing those he blames for destroying his father.
Episode: 4x20 | Airdate: Feb 26, 1976
A terminally ill circus rigger is killed in his hospital bed by someone made up as a clown. At first, the detectives suspect the victim's brother may have done it as a mercy killing, but when the brother is murdered as well, suspicion shifts to the nephew of the two men.
Episode: 4x21 | Airdate: Mar 4, 1976
This pilot for the series "Bert D'Angelo Superstar" (which had started its regular run two weeks earlier, and was a total bomb in the ratings) gives Mira Sorvino's dad a role to match his weight and ego: he plays a New York City detective who comes to San Francisco in search of a back-home cop killer, and decides to stay when the villain is caught.
Episode: 4x22 | Airdate: Mar 11, 1976
A field worker tries to get a job in San Francisco, and he does, but moments later there is a raid by the immigration service and officer is killed.
Episode: 4x23 | Airdate: Mar 18, 1976
A 15-year-old runaway girl comes to the apartment of the father she hasn't seen in years, only to find a man dead inside. When she finds out her father is not the dead man but possibly the killer, she still continues to search for him, not knowing that he is also being hunted by the brother of the dead man, who plans to kill him.