Nash, while investigating an apparent gang killing, discovers that the weapon used for the job is the Army's newly missing man-portable, antitank system: The Javelin. Nash is assisted in the investigation by Sandra McCormick whoose career is on the line if the Javelin is not recovered.

On the day that Nash plans to take a belated honeymoon to Hawaii with Kelly, a high priority police case unravels, putting him on the trail of the betting book of San Francisco's most notorious bookie and a renegade FBI officer who's #9 on the Most Wanted List.

A world renowned hit-man has been hired to kill the chief witness in a far reaching drug prosecution. Nash Bridges must stop him. Only problem is, the hit-man turns out to be one of Nash's closest boyhood friends gone bad. Meanwhile, Evan works a stakeout with Bryn and gets sidetracked when he falls in love with a woman living upstairs from their surveillance target.

Nash and Joe trail two brothers who are heirs to a Mafia family. Nash becomes suspicious when he discovers Kelly once had a relationship with the younger brother.

Nash is stuck with an eleven year old delinquent who's the link to busting a drug kingpin. Joe is reunited with his grown son J.J. and Nick wreaks havoc with Nash's attempt to find him a live-in nurse.

It's Christmas Eve, and Nash and his fellow cops are trapped at the SIU as they wrap up a murder investigation and a prostitution case. Joe borrows Nash's 'Cuda to get it detailed and freaks out when the car is stolen; Nash's personal gifts to Lisa and Whitney get mixed-up; personal crises abound as the cops deal with the Christmas holiday.

Nash and the SIU uncover a counterfeitering group where the money is top-of-the-line Supernote quality. Moving in to bust the group, they discover a fake SIU gang impersonating the police. Cooperation becomes tense as suspicions abound over who and what to trust. In the interim, as Nick gets in over his head financially with his horse costs, Nash reluctantly agrees to work with Joe on an off-duty case searching for a Super Bowl ring. However, Nash and Joe soon find themselves impersonating a gay couple as the case develops differently than Nash anticipated.

Nash follows the trail of James and Lorraine, a thrill-seeking couple on a wild crime spree in San Francisco. Nash feels personally responsible for the fate of Lorraine when he discovers she is the daughter of a volatile SFPD Inspector. Nash's interaction with the young fugitive color his relations with Cassidy, who's semi-nude photo is splashed all over town in a racy safer sex poster.

Nash and Joe butt heads with the leader of a team of Urban Commandos who has been hired to protect an inner-city community. While awaiting the birth of the new baby, Joe searches for the family crib that he lent to Nash seventeen years ago.

Nash and Joe follow the trail of a criminally insane mental patient who believes he is the nemesis of Sherlock Holmes. Joe hires a baby nurse who takes over his life.

Nash, on the verge of closing a case, narrowly avoids getting killed in an explosion, losing a week's worth of memory as a result. With Joe's help, he has to retrace his steps, resolve the case, and deal with the various personal snafus resulting from his memory loss. Michelle joins the SIU.

A fugitive is released from prison by mistake and seeks revenge on Michelle. Nash teams with Michelle to capture him. Meanwhile, Nash refuses to partner with Joe on an off duty case to protect a sportscaster being blackmailed, so Joe chooses Evan.

A million dollar bounty on Nash's head triggers an onslaught of attacks by a series of ultimate fighters. Michelle meets ""Mr. Right"" while on a stake out trying to trackdown an Internet rapist. Nash is convinced Cassidy's new boyfriend in gay.

Nash and Joe investigate several brutal drug-related gangland murders and follow a complicated trail of clues to a surprising suspect -- Bruce Sutcliffe, a multi-millionaire from a well-respected San Francisco family. When Nash discovers that Sutcliffe has been a major drug kingpin for years, he risks his job and his life to expose the magnate's secret life. Meanwhile, Evan and Bettina go undercover in a transgender beauty pageant to trap a blackmailing murderess who pretends to be a man impersonating a woman.

When Nash and Joe investigate the mysterious disappearance of several armored cars and their drivers, they uncover a high-tech, covert crime operation run by ex-Navy Seals. When the robbers kidnap Evan, Nash must lure them out of hiding by staging an armored car delivery. Meanwhile, an off-duty case finds Nash and Joe searching for a star football player's dream girl, whom he spotted in a stadium filled with 65,000 fans but doesn't know. Also, the relationship between Evan and Cassidy intensifies as they struggle to keep their affair a secret from Nash.

Nash and Joe are the targets of a bail bondsman, who bails out small time thugs and uses them as assassins. Nash and Joe also open up a new detective agency; Bridges & Dominguez - - their first case is finding the stolen wig of a Cher impersonator. Harvey and Evan's friendship is tested when Evan sells Harvey a faulty washing machine.

Nash and Caitlin go undercover as swingers to bust a male-female team who prey on wealthy swinging couples. Joe and Boz help Nick recover the corpse of an old friend to whom Nick made a war-time promise.

Nash is out of action after Caitlin accidentally shoots him in the butt. Joe and Bettina do a joint investigation with FBI agents to bust a clever con-artist. Cassidy is stalked by a deranged college student.

Nash protects a beautiful rock star who's blood is coveted by a group of modern-day vampires. Boz Bishop buys a new car for Joe at a police auction unaware that drugs are hidden in it. While dog-sitting for Harvey, Evan discovers the dog park is a babe magnet and uses King to score dates.

Nash must stop a sniper terrorizing the city by shooting victims at random. A rat infestation forces Joe to confront his ""landlord,"" Nash, about the problem. Evan proposes to Cassidy, but in the wake of a serious traffic accident, Cassidy is left fighting for her life.

Nash and Joe are plunged into the underground world of steroid-crazed body builders when they investigate the murders of three body builders. Nash and Caitlin struggle to define their relationship as Cassidy struggles to get her feet back on the ground after her accident.

A sleep-deprived Nash must track down an ingenious bomber targeting a corporation he feels has wronged him. Cassidy tries to conceal her nudity in a school play.

An ex-cop is released from jail and seeks revenge on Caitlin who put him there. Nash teams up with Caitlin to capture him. Joe and Inger continue their efforts to become pregnant, discovering how difficult it is. Harvey and Evan go underground as wealthy conventioneers at a ritzy hotel bar to catch a follow-home robber.

Handcuffed Skip Osaka jumps out the back of the moving 'Cuda. Nash and Joe give chase. Skip runs up a fire escape onto a power line. The line breaks, and Skip falls through a window. Nash and Joe place him in the trunk of the 'Cuda, and bring him to the SIU. A surprised Nash, Joe and Harvey discover the SIU barge is being towed away by a tugboat. The Head of the MCD, Reuben Banks, drives up and informs Nash the SIU has been temporarily shut down.

The SIU is disbanded by MCD: Nash and Joe are assigned to Park Detail, Harvey to Homicide, Evan to Traffic, and Caitlin to Vice. At the Civic Center Park, Nash and Joe meet Colonel Culpepper, drug addict/transient, and Phil, the phony Vietnam veteran. The Colonel is shot dead in the park. Harvey and his new partner, Inspector Riley Webber, investigate the murder.

Evan and Cassidy have set a wedding date. Harvey is best man, and he plans the bachelor party. Nash and Nick are informed, and Nash gives his blessing. Father Nick gives Cassidy her g

Nash and company foil a failing restaurateur's kidnap plan to ransom his nanny's child. Nick has sex with Bridget, Caitlin's inept maid. Inger returns for a visit, but leaves for Sweden again. Cassidy has a friend attempt suicide because he can't get a date with her.

Jake Cage and Caitlin go undercover to capture an international fugitive returning home for the wedding of his daughter. Nash and Joe steal a violin for corporate clients, only to have the violin stolen again by one of Joe's detective students. Evan gets involved with a street prostitute.

A small time getaway driver sets up two robbery gangs to rob each other, while he walks away with the loot and complete immunity. Evan is brought in for another chance in Joe's off-duty case concerning a kidnapped son who has had a gender change. The 'Cuda hood is graffitied, and Nash puts Boz Bishop on the case.

Lowlife Frankie Dwyer returns, this time importing Vietnamese women as sex slaves, as Caitlin goes undercover as the seller. Nash has a tooth ache and refers to Caitlin by his first wife's name. Joe is aggressively pursued by bodybuilder Spike; Evan bumps into Cassidy in his job as a parking lot attendant.

A married woman is murdered by her lover and his wife. Evan is beaten up trying to free his girlfriend/hooker from the clutches of a pimp. Joe takes Evan in, but Evan attempts suicide. Boz Bishop asks for a promotion at the detective agency.

Wearing his brother's uniform as a motorcycle cop and impersonating a police officer, a deranged man imagines and talks to his dead brother. Nash adjusts to his break-up with Caitlin; Nick fails his driving test; Cassidy asks Evan for help to move back into a Berkeley apartment.

Nash goes undercover to stop a high-end heist artist. Joe helps a restaurant critic who receives death threats; Evan is back in the SIU; Caitlin takes an administrative job within the department; and Harvey helps out a troubled 12 year old boy.

Nash goes up against a gang of ruthless techno-geeks who are designing robots to perform robberies. Joe mistakenly sells a painting containing the Declaration of Independence at this yard sale and realizes he must do anything to get it back.