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22 Episodes 1986 - 1987
Episode 1
Mon, Sep 29, 198660 mins
In the fifth-season opener, Cagney, Lacey and Lieutenant Samuels are forced to investigate one of their own. It starts when a junkie's broad-daylight burglary makes him easy prey for Cagney and Lacey, who happen to be across the street at the time. What isn't easy to take is the tip the addict offers in a bid for leniency; he says he saw a cop pocket some heroin from a crime scene--a detective from their own 14th squad. Bypassing Internal Affairs, Chris and Mary Beth go to Lieutenant Samuels, who orders them to have the junkie ID the alleged felon--and it's a real shocker. Even more shocking is their suspect's behavior when they set a trap for him, a trap that could very well ensnare them all. (TV Guide)
Episode 2
Mon, Oct 6, 198660 mins
When an girl who wants to break away from her traditionally Islamic upbringing is murdered, Chris and Mary Beth must confront her family. Chris lusts for a possible assignment to a potentially career-making task force.
Episode 3
Mon, Oct 20, 198660 mins
A sweltering day leads to an elevator failure, with Mary Beth and a claustrophobic Victor trapped inside.
Episode 4
Mon, Oct 27, 198660 mins
After a girl accuses her father of molesting her younger sister, Cagney and Lacey are forced to take action to keep the girls safe.

Episode 5
Mon, Nov 3, 198660 mins
The 14th Precinct is abuzz over a visit from the star of a female TV detective show who wants to tag along with Chris and Mary Beth to see real female cops in action.
Episode 6
Mon, Nov 10, 198660 mins
Pornographers come under suspicion when an A.D.A. who championed against child exploitation is murdered.
Episode 7
Mon, Nov 24, 198660 mins
Cagney and Lacey are charged with protecting a white South African runner in town for the New York City Marathon.
Episode 8
Mon, Dec 1, 198660 mins
When hazing is suspected to have caused a girl to fall off a roof while rushing a sorority, the sisters close ranks, impeding the investigation.
Episode 9
Mon, Dec 8, 198660 mins
Petrie falls under suspicion when someone he was squabbling with is murdered. Chris finds out a reporter she's dating isn't just interested in her romantically.
Episode 10
Mon, Dec 15, 198660 mins
When Sara Jones, one of Mary Beth's maternity replacements, goes to trial for her act of vigilante justice against a rapist, Chris refuses to lie to save her.
Episode 11
Mon, Jan 12, 198760 mins
When drug dealer Mansfield goes on trial, he surprises everyone by hiring David Keeler to represent him, especially upsetting Chris.
Episode 12
Mon, Jan 19, 198760 mins
An environmental champion begs Chris and Mary Beth to investigate a toy company for the dumping of toxic waste. Meanwhile, Chris dates a younger man.
Episode 13
Mon, Jan 26, 198760 mins
Chris and Mary Beth investigate a judge who's friends with Chris' father. Mary Beth is surprised at the results of her performance review from Chris.
Episode 14
Mon, Feb 2, 198760 mins
Mary Beth has egg on her face when the Laceys' home is robbed, and it's revealed she doesn't follow the same home safeguarding tips she gives to civilians. Meanwhile, a high school athlete's death is investigated.
Episode 15
Mon, Feb 9, 198760 mins
A rash of AA meeting robberies sends the detectives to pose as alcoholics. At a co-dependents' meeting, Chris is surprised to see Donna, her father's girlfriend.
Episode 16
Mon, Feb 16, 198760 mins
Cagney and Lacey get placed in charge of planning a banquet to award Lt. Samuels with the Distinguished Service Award.
Episode 17
Mon, Feb 23, 198760 mins
Cagney and Lacey try to bring down a scam artist who promises to get messages to the departed by giving them to the terminally ill, but face difficulty in that nobody seems to feel victimized.
Episode 18
Mon, Mar 9, 198760 mins
The detectives question if a deaf girl could have committed the murder of which she's accused. David Keeler wants Christine to forgive him for representing Mansfield.
Episode 19
Mon, Mar 16, 198760 mins
Mary Beth is arrested at a nuclear weapons protest, finding herself in the custody of Queens' Det. Dupnick.
Episode 20
Mon, Mar 23, 198760 mins
After Lacey is shot, but saved by a bulletproof vest, her and Cagney deal with the stress by seeing the police psychiatrist.
Episode 21
Mon, Mar 30, 198760 mins
Mary Beth saves a baby from a burning car before it explodes, becomes a hero. Meanwhile, Cagney finds her father lying dead at his home.
Episode 22
Mon, Mar 30, 198760 mins
Mary Beth awaits a possible promotion, while Cagney turns to booze after her father's death.