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.

A popular sports writer finds his whole life ruined when Penhall believes his ex-wife's allegations of his being a child molester.

Hanson becomes an inmate in a juvenile detention hall in order to investigate the murder of one of the inmates.

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.

The Jump Street cops enroll in a performing arts school to bust a drug ring being run there.

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.