When a dangerously revealing magazine article about the Jump Street program is written by Russell Buckins, Hanson is suspended and goes gunning for his old friend.
While trying to infiltrate a high school computer club, Penhall is picked on by a bully which prompts stories from each of the cops who were all terrorized by a bully at some time in their lives.
Hoffs learns that her new lover is married and when she tries to break up the relationship he sexually harasses her until she complains to his boss.
Hanson, Penhall, Booker and loki pose as inmates in juvenile lock-up in order to learn how heroin is entering the facility.
When the police union calls a strike, the Jump Street cops are torn over which side of the picket line to place their allegiance.
loki infiltrates a Vietnamese gang to break up an extortion ring and is offered a chance to contact his grandmother who was left behind in Vietnam after the war.
Jump Street goes undercover on a college campus to investigate a rape on fraternity row.
The Jump Street team goes undercover to find out who has been vandalizing pregnancy clinics, while Booker tries to lift Blowfish's self esteem by getting him a date with a beautiful stripper.
When a young murderer and his bride are busted at their wedding, a desperate groom takes Hoffs hostage.
Penhall is forced to recount painful memories of his mother's suicide when a youth he's investigating takes his own life.
The Jump Street gang may lose Judy Hoffs when she falls for a guy on the wrong side of the law.
Hanson poses as a bible thumping student and befriends a teen whose strong faith almost costs him his life.
Hanson and Pefihall pose as the battling McQuaid brothers to infiltrate a gang of students being bussed from the wrong side of the tracks.
Hanson stalks a ruthless killer to avenge the cold-blooded murder of his girlfriend.
Hanson ends up being trapped inside an in-patient adolescent abuse center when he goes undercover to investigate reports of patient mistreatment.
Hanson, Penhall, and loki investigate a rash of brutal assaults on gay men.
As Burgard High students and faculty sit on a powder keg of racial tension, officers Hanson and Hoffs go undercover to diffuse the potentially explosive situation in the racially divided high school.
loki faces a paternity suit and jail when a teen fingers him as the father of her child.
Captain Fuller and officer Hoffs go undercover on a violent high school campus where both student and faculty carry lethal weapons just to stay alive.
The Jump Street squad puts a sting on a bar serving alcohol to under-age kids and ironically has to cope with the drunk driving arrest of their own captain.