Hanson gets assigned to the Jump Street unit, a special division of the police force which uses young cops to go undercover and stop juvenile crime, when his youthful appearance causes him to be underestimated while on patrol. His first case involves catching drug dealers.

Hanson gets assigned to the Jump Street unit, a special division of the police force which uses young cops to go undercover and stop juvenile crime, when his youthful appearance causes him to be underestimated while on patrol. His first case involves catching drug dealers.

Hoffs goes undercover to keep a wild Eastern Bloc exchange student out of trouble. Hanson and Penhall enroll in a shop class suspected of being a chop shop for an auto theft ring.

A woman with car trouble whom Hanson helps out and makes a date with turns out to be a teacher who has been getting threatening messages and whose class he has been assigned to undercover.

Hanson and Penhall infiltrate an exclusive preppie clique to investigate a prank that left a girl dead.

Hoffs is not convinced that the captured suspect in an arson case at a Catholic girls school is the guilty party and believes that the real culprit will strike again at the school's prom.

Jenko is killed by a drunk driver and is replaced by Captain Fuller who has his hands full dealing with a vengeful gang leader whom has taken his principal and several others hostage, including an undercover Hanson.

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.

The daughter of a policeman who claims her father is sexually abusing her tries to hire Hanson-- undercover with Penhall as one of the drug dealing McQuaid brothers-- to kill her father.

Hanson who is out to catch a loan shark finds his cover threatened when his high school quiz team makes it to the semi finals which are to be broadcast on TV.

Penhall joins the school baseball team in order to keep an eye on one of its star players, whose life has been threatened when his father agrees to testify against the mob.

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

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

The Jump Street unit discovers that a boy who was being used as a pawn by his feuding parents faked his kidnapping with the aid of his grandfather to get away from his parents.

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.

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.

The Jump Street unit is investigating a counterfeit drivers license ring when Captain Fuller gets arrested for drunk driving.

Hanson is unable to keep his mind on the investigation of a shooting of a teacher at an inner city school when he learns that his mother is moving in with her boyfriend.

A pregnant school girl fingers Ioki as the father to be.

Racial violence threatens to break out at an integrated school when word leaks out that a white student got a black student pregnant.

Hanson and Penhall find the military code of honor hampering their undercover investigation of a military academy where the cadets are suspected of killing homosexuals.

Hanson and a film star he had been assigned to protect are kidnapped by an escaped murderer.

Penhall gets close to a football player suspected of using steroids at a school where an olympic hopeful gymnast died after a performance due to steroid abuse. Hanson considers becoming a big brother.

Ioki faces being dismissed from the force when internal affairs discovers that he is a Vietnamese refuge who is using an alias. Flashback sequences show his escape from Saigon.

Hanson contemplates leaving the force and leaves town instead of going to a refresher course at the police academy he and Penhall had been assigned to take after they went drag racing to try to catch a hit and run driver.

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.

Past romances that didn't have happy endings are the subject of conversation at a Valentine Day Eve poker game.

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

Penhall & Hanson go undercover as the McQuaid brothers in a suburban high school, that recently has had inner city kids bused in, to investigate the theft of a Porsche. Meanwhile, Judy must deal with a love-sick teenage boy.

When a small-town teacher refuses to teach the theory of evolution after his son has a near-death experience, Hanson infiltrates the school to try to discover who's behind the recent burning of the science books.

Penhall and Ioki go undercover as the ""Swark Twins"" to get in with teenage boys working for drug smugglers. Meanwhile, Hoffs becomes romantically involved with the head drug smuggler.

The suicide of a popular student, whom Hanson and Penhall had arrested the night before, leaves his family, fellow students and Hanson in a state of depression and forces Penhall to relive bitter childhood memories.

Hoffs and Penhall must deal with a pursuing husband when they are assigned to escort a girl arrested for killing her father when he tried to prevent her from eloping.

Hanson goes undercover to find a student who is blowing up toilets. Meanwhile, Fuller must convince the higher-ups that the Jump Street program, which is scheduled to be deactivated over the summer, should be reactivated in the fall, and Doug decides it's time to grow up.

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.

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.

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.

Undercover looking for a person who has been preying on homeless teens, the Jump Street cops learn what it is really like to live on the street.

Booker goes undercover as a radio DJ to discover who killed a controversial college radio personality by planting a bomb in his car.

Hanson finds himself on the wrong side of the law after he decides to seek revenge on members of a street gang who shot and seriously wounded Ioki.

Hanson finds himself on the wrong side of the law after he decides to seek revenge on members of a street gang who shot and seriously wounded Ioki.