Hanson is suspected of killing a crooked cop who was responsible for Ioki's shooting.

Following an increase in teenage drunk driving accidents, Hanson and Penhall try to find the person providing fake identifications to underage drinkers.

Through Officer John Cogan of the Metropolitan Police of the future, we revisit significant moments for the Jump Street team members.

Hanson investigates an arson case involving a book burning incident as well as a science teacher who wants to teach creationism in school.

Hanson goes undercover at a rough school after a drug dealer is found shot to death in the parking lot.

Captain Fuller and the rest of the team investigate the kidnapping of a ninth grade student.

Hoffs, Mac and Fuller go undercover to investigate a group of high school extortionists.

Hanson and Penhall investigate the possible rape and death of a student.

As they attempt to adjust to the Jump Street program, Officers Rocky and Garrett go undercover in a high school to flush out its biggest drug dealer.

Unsatisfied with the final outcome of the case, Booker reopens his last investigation.