The first season of Barney Miller aired on ABC from January 23 to May 1, 1975.

The second season of Barney Miller aired on ABC from September 11, 1975 to March 18, 1976.

A neighborhood vigilante group runs amok, and Fish is AWOL on the day of his retirement.

Fish finally shows up for work, but refuses to acknowledge his mandatory retirement.

Listening devices discovered in the squad room may have come from Internal Affairs - or the Nixon administration!

A quixotic environmentalist faces the high-priced lawyer hired by the chemical plant he's been assaulting.

Retired Sergeant Fish returns to assist Barney in locating a pilfered corpse.

Yemana scours the TV Guide to try to second-guess the felon who's aping the prime-time lineup crime shows; a drunk forgets the most important element...

A blizzard holes up the 12th with an unwelcome guest—a corpse; a self-proclaimed prophet is sure that the weather is indicative of...

A taxi company is irate when Wojo totals a borrowed cab while pursuing a robbery suspect; Lieutenant Scanlon tries to ferret out 12th Precinct...

The detectives clean up after three mental patients sit down to Thanksgiving dinner at an automat.

Wojo is buried alive after a tunnel collapses on a burglar burrowing towards the diamond exchange; a homeless Harris is combing Manhattan for a new...

Neither the bomb squad nor the government recognizes a college student's physics project as a functional atomic bomb - but Detective Dietrich does.

A man charges a sperm bank with murder after the lab unwittingly destroys the man's last sample.

The detectives are unimpressed with a man who claims he's being visited by a poltergeist - that is, until they lock the man up and strange events...

Yemana is hospitalized with appendicitis; the cage is a stopping-off place for a sugar addict and an aging bounty hunter.

The city legalizes off-track gambling, to the delight of Yemana; a woman wants her husband arrested on a rape charge; a master of disguise...

Barney puts his career on the line by refusing to forcibly evict the tenants of a condemned hotel, while Lugar tries to figure out what to do with...

The hotel situation now involves a SWAT team, while Dietrich learns the identity of his amnesic ""girlfriend.""

Wojo comes to Barney with a problem his superior would rather not know about; the 12th's new female detective has a very jealous husband, suspicious...

Barney uncovers, if you will, the real reason behind a woman's vehement insistence that a nude-painting exhibit at a local art gallery be shut down;...

Harris finally finds an apartment in the Village; a ventriloquist insists he's not responsible for his dummy's insensitive remarks; a prisoner holds...

The members of the squad nervously await Barney filling out their evaluation forms. Meanwhile, Harris arrests a numerologist who will only give his...

A man liquidates all of his assets into gold, much to his wife's dismay; Wojo claims he saw a UFO over Staten Island.

Harris does some extensive soul searching when he's offered a job on the mayor's security team.