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. 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. His first case involves catching drug dealers.

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.

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.

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.

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.