A field trip goes from awkward to mortifying as Jessi navigates the demands of coupledom and gets her first period -- inside the Statue of Liberty.

Family blowups, secret liaisons and an unflattering dress make Jessi's bat mitzvah a night to remember.

A classmate's booming bosom sends the boys into a rapture -- and leaves the girls with a raging case of insecurity. Coach Steve drops a bombshell.

A school sleepover turns messy as Nick dishes on a makeout session and the Shame Wizard works his miserable magic on the whole class.

Cellsea goads Nick into posting a risqué video, Maury urges Matthew to speed things up with Aiden, and Jay feeds Missy ideas for her erotic fiction.

As the friends feverishly swap lists of the hottest kids at school, newcomer Ali stokes the flames by announcing she's pansexual.

While Jessi deals with menstrual mayhem, Nick tries to avoid showering with the guys, and Missy gets a makeover from her cousins in Atlanta.