A disgruntled man with a belt of dynamite threatens to blow himself and the squad room sky high unless President Nixon agrees to speak with him; the plumbing goes kaput; Wojo arrests a phony man-of-the-cloth.
Weary of housework, Liz tries her hand at social work, to Barney's dismay; a master forger fascinates Harris.
Barney, Fish and Yemana feel the crunch when a labor layoff forces them to do without Chano, Harris and Wojo; a manicurist goes deeper than the nail; a morose stockbroker takes to petty theft.
Yemana is shot in full view of disinterested bystanders, and Barney is offered a job in Florida.
A wife claims spousal abuse; Wojo and Wentworth are bait for a park rapist.
The precinct is on the lookout for an arsonist; Chano brings in a man who used a deadly weapon on a vending machine.
Romance blossoms as Wojo and Wentworth go under cover as a married couple in the honeymoon suite of a hotel experiencing a rash of robberies.
Wojo and Wentworth pose as marrieds in order to bust a burglary ring set in a posh hotel. They catch the perp, but have to give up the collar when the hotel's security director brings a young man in on a rape charge.
Marty claims that a member of the 12th is harassing the gay community; the precinct computers think Fish is dead; a suicidal man reacts poorly to the possibility of being institutionalized.
Two pounds of confiscated marijuana is missing, a homeless man is brought in for spending a night in a department store, and a man is arrested for stealing a police car. Meanwhile Wojo is bitten by a rat, and Fish is brought down by a kidney stone.
Around the New York bicentennial celebrations a hansom cab owner reports his horse missing; a man assaulted in his hotel room insists he was alone; and Wojo arrests a seller of flag clothing.
During a very rainy day, the squad must endure both the precinct roof threatening to collapse, and bad Bicentennial jokes from a nightclub comedian
A glimpse at Detective Fish's home life ensues when the detective is forced to go on restricted duty.
A man is convinced that a photo of Jean Harlow is his missing wife; a pair of lady cops makes an overzealous drug bust.
The citizenry is in a panic amidst the rumors that the 12th Precinct is being shut down and a repentant hood can't prove that he committed a crime. These prove to be connected when the detectives learn that a protection racket is spreading rumors of the precinct's closing and shaking down shop owners. Wojo brings in a former don to try and get information and Luger says the rumors are true. But things turn when the President says that police and fire will stay open.moreless
On New Year's Eve, a man threatens to jump off a building if peace in the Middle East isn't achieved by midnight, a shoplifting suspect goes into labor in the squad room, and a drunk man has his pocket picked.
A con man is selling charter flights to Saturn; Wojo and Luger are sniper targets.
Wojo must escort a bigamist to Cleveland, even though he is afraid of flying. Meanwhile, the bigamist's New York wife shows up. Also, a man turns in an unmarked envelope containing $3,500 in cash.
Wentworth is furious when Lt. Scanlon denies her any credit for the bust of an assassin at a block party.
Wentworth busts a dime-store cowboy in a massage parlor, and the detectives bust an octogenarian mugger.