A steamy novel making the rounds at school inspires Jessi to explore her own sexuality -- and leaves the boys totally confused about what girls want.

When Leah hosts a party for the high school drama crowd, Nick wrestles with a romantic dilemma, and Andrew and Missy witness a disturbing scene.

Andrew tries to drown his sorrows in a sea of porn, only to become hopelessly addicted. Coach Steve becomes a suspect in a murder spree.

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

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.

While the boys head to Jay's for a testosterone-fueled sleepover, Jessi throws a party of her own and gets caught up in mean-girl drama.

A trailer for a new movie starring The Rock leaves Andrew questioning his sexuality. Jessi and Nick's budding romance turns ugly fast.

As Andrew falls under the spell of the randy Hormone Monster, his buddy Nick becomes obsessed with the lack of changes in his own body.

Andrew struggles to keep the Hormone Monster in check as he works with Missy on a science fair project. Jessi and Matthew have fun at Jay's expense.

Nick drags Andrew into the city to visit an old camp crush, but the day doesn't go as planned. Jay embarks on an emotional journey with his pillow.