The squad grapples with guarding a department store payroll and a flasher who attempts suicide in the bathroom.

An old friend of Barney's is assigned to investigate allegations of corruption in the squadroom; Chano is after an obscene phone caller.

A prostitute threatens to file harassment charges against Wojo; Rachel wants to move into her own apartment.

Guests to the 12th include a drunken bureaucrat and the 12-year-old who robbed Chano's apartment; Wojo closes the precinct's favorite delicatessen for minor health-code infractions.

An overzealous lady cop ruffles the feathers of the testosterone-run 12th; Chano nabs an obscene phone caller. Linda Lavin (""Alice"") debuts as Detective Janice Wentworth.

Barney is visited by Inspector Luger, who complains that his men aren't disliked enough by the public; a neighborhood vigilante is well into his twilight years; Wojo collars a cross-dressing teamster.

The 12th Precinct reluctantly guards a mob witness; Chano uses his co-workers' own cash stash to set up a narcotics buy.

A self-avowed ""bird-man"" drops in; Barney holds a resourceful escaped prisoner for the FBI; Harris decides to write a novel, setting up one of the series' most durable storylines.

A scruffy ""Serpico""-type cop has good reason to hide behind unruly hair; Bernice discovers that Fish spent the afternoon in a massage parlor.

Chano is guilt-stricken when he shoots a holdup man; Liz makes a citizen's arrest, after being robbed at ""stickpoint"" by a twelve-year-old.

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.

Wojo and Wentworth pose as marrieds in order to bust a burglary ring set in a posh hotel.

Marty claims that a member of the 12th is harassing the gay community; the precinct computers think Fish is dead.

Barney smells a rat when two pounds of confiscated marijuana disappears from the evidence locker, and a homeless man spends the night in a department store—apparently one of many.

A glimpse at Detective Fish's home life ensues when the detective decides to go on restricted duty. Steve Landesberg bows as Arthur Dietrich; Doris Belack fills in for Florence Stanley as Bernice Fish.

On New Year's Eve, Fish tries to stop a jumper, and Wojo delivers a baby.

A con man is selling charter flights to Saturn; Wojo and Luger are sniper targets.

A department psychiatrist advises the department to confiscate Wojo's gun

Fish is attracted to the mother of a young mugger; a man is a bit premature to obtain the unclaimed windfall he found on the street.

Fish considers an operation; a burglar known as ""The Mole"" leads Harris and Wojo on a merry chase through the city sewer system. Ron Carey plays the Mole, and returns as Levitt in the next season.