The Captain of the NYPD 12th Precinct and his staff handle the various local troubles and characters that come into the squad room.
Cast:Hal Linden , Abe Vigoda , Max Gail , Steve Landesberg , Ron Glass , Ron Carey , Jack Soo , James Gregory , Barbara Barrie , Gregory Sierra , George Murdock , John Dullaghan , Stanley Brock , Jack DeLeon , Alex Henteloff , J.J. Barry , Don Calfa , Phil Leeds
Lieutenant Scanlon investigates an anonymous letter that identifies a member of the precinct as a homosexual. An angry shopper destroys to an elevator's MUZAK machine.
A prisoner claims to be Jesus Christ. A drug dealer is caught with a large stash. An elderly mugger poses as a photographer to entice lonely women.
The detectives are preoccupied with Barney's posted vacation schedules. A string of false alarms suggests that a sniper may be after a cop. A man won't donate a kidney to his ailing brother.
A monk suffers a transgression with a prostitute. Dietrich may not be ideal for mugging detail, especially if in drag.
Harris objects to the fact that the Burmese chauffeur being arrested for a traffic accident is actually an indentured servant.
A bookstore owner is angry when a strip club opens near his store. A man is convinced that he is on the verge of spontaneous combustion.
The clerk that sold Wojo a sick bird changes his strict no-return policy when he learns that the detective is a police officer. A suicide hot line operator becomes suicidal. Harris's book publication is interrupted when Dietrich refuses to sign a release.
A former master criminal becomes incoherent following his lobotomy. A victim is unable to use the telephone to report being mugged because he's Amish.
A judge overrules an attorney by hitting him on the head with a gavel. A woman reports crimes that actually happen on soap operas.
The squad searches for a viral strain stolen from a lab. A woman is convinced that her husband is really a clone.
A detective goes undercover to trap a dentist with instruments that seem to go missing. One man's hands are a nuisance to others and a musical instrument to himself.
Weary apartment dwellers band together to catch a burglar. A census taker takes drastic measures to count an unco-operative target.
Harris poses as a vagrant to go undercover to solve a string of crimes, and then he disappears. A woman wants Wojo or Dietrich to make a baby with her.
Harris disappears while going undercover as a vagrant. Luger chooses to be demoted rather than to retire.
Marty's friend Mr. Driscoll tries to reclaim his son by kidnapping him from a playground. A self-proclaimed time traveler advises Harris to adjust his stock portfolio.
A rash of unusual robberies leads to an eccentric gun collector. A man who is trying to recover his television set robs the police vault. Wojo fears that a depressed Luger is planning to commit suicide.
The staff serves the annual department-mandated ritual day in uniform, except Harris who wears his customary high-end clothes.
Dietrich is arrested for participating in an anti-nuclear rally. A lottery winner dispenses of his prize money by throwing it out a window. Barney discovers he can't afford his apartment now that it is being converted into a condominium.
Harris is assigned to book Dietrich, whose arrest earns a visit from Internal Affairs. A nuclear engineer is arrested for splashing participants with atomic water.
An inventor steals the plans for his own invention. The squad tries hypnosis to uncover the name of a criminal that Wojo can't remember.
Barney is discouraged at being passed over yet again for promotion to the rank of deputy inspector.