Hoffs and Ioki go undercover in a Guardian Angel-type street patrol whose members have a vendetta out for a drug dealer who Hanson is trying to set up for a bust.

Hanson blames himself for failing to prevent the shooting death of his girlfriend in a convenience store robbery and becomes obsessed with revenge.

Dorothy an old girlfriend of Penhall's, who walked out on him two years ago, returns and decides to move in with him. Hanson gets assigned to protect a student with AIDS who is being made to feel unwelcome in class.

Hanson and Penhall try to locate some missing juveniles, while Ioki tries to find a link between a teenage prostitution ring and a series of burglaries.

Hanson goes undercover as a punk rocker in an effort to stop a feud between two rival gangs from turning into a war.

Hanson becomes trapped in a private drug clinic where he had himself placed in order to investigate claims of patient abuse made by a kid he once busted on drug charges.

Hanson is assigned Booker as his new partner and the two don't hit it off as Booker's racist attitudes lead Hanson to believe that Booker raped a black student.

A popular sports writer finds his whole life ruined when Penhall believes his ex-wife's allegations of his being a child molester.

Penhall and Booker join a high school football team in attempt to prove that the coach's negligence led to the paralyzing injury of one of the players.

Hoffs goes undercover as a pregnant teen to investigate threats of violence being made to a family planning center by anti-abortionists.

Hanson and Ioki must endure hell week as fraternity pledges in order to gain the confidence and get evidence on a gang rape which occurred at a frat party.

While working undercover in a Vietnamese streetgang, Ioki learns of a communist businessman who may be able to help his grandmother who is still in Vietnam.

Everyone in the Jump Street unit gets blue flu when the police force goes on strike forcing Captain Fuller to team up with a rookie cadet.

Hanson becomes an inmate in a juvenile detention hall in order to investigate the murder of one of the inmates.

Dorothy and Penhall split up forcing Penhall to move in with Ioki. Hoffs becomes involved with a city inspector, who is auditing Jump Street's records.

Penhall's encounter with a bully while undercover causes the members of the Jump Street unit to reminisce about their dealings with bullies while they were in school.

Hanson goes after an old friend who wrote an article exposing the Jump Street program causing Hanson to get suspended from duty.

An old Army buddy comes to Fuller seeking the Jump Street unit's help in bringing in an AWOL soldier who will be classified a deserter if he doesn't return to base within two days.

Booker is laiden with guilt when after he infiltrates a gang of drug users that kill one of their own whom they suspect is an undercover cop.

Fuller and the Jump Street unit are given a lot of flak and told to pull off the case when city hall learns Hanson and Penhall are about to bust the mayor's son on drug dealing charges.

The Jump Street cops enroll in a performing arts school to bust a drug ring being run there.

Booker resigns from the police force after solving a case that gets Hanson out of prison.

Hanson tries to convince a juvenile inmate on death row to appear in a film intended to keep his peers out of prison.

Hanson and Hoffs go undercover in order to put a crack ring out of business. Penhall, working on the same case, returns to squad car and becomes convinced that his new partner killed a drug pusher.

Hoffs enrolls in a teen modeling school after several of its graduates end up appearing in pornography.