As Booker is undercover in a gang of drug-dealing teens, the gang suspects one of their own is a narc.

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

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

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

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

An armed gunman takes Hanson, Amy and a cashier hostage at a supermarket.

Fuller, Hanson and Penhall investigate suspected drug use in a college athletic program after a basketball player is killed in a high speed car accident.

Captain Fuller and Hoffs investigate after a popular teacher, who is also an environmentalist, is stabbed to death.

Hoffs goes undercover inside a massage parlor that is also believed to be a brothel for underage girls.

While coaching Little League, Penhall discovers a missing child and investigates.