The police question Tyler about the guns, leaving the friends rattled. Winston transfers to Liberty High after getting expelled from Hillcrest.

After an incident at school, Clay thinks someone's trying to set him up. Zach and Clay land in hot water during a college tour.

As the school gears up for the Love Is Love dance on Valentine's Day, disturbing phone calls keep Clay from getting in the spirit.

Clay is forced to confront his anxiety on the senior camping trip as a suspicious email threatens to turn the friends against each other.

The Jensens make the boys take a drug test. When the Liberty parents learn about an upcoming party, Clay suspects that they're tracking the students.

The school goes into lockdown, and Clay, Tony and Justin worry about Tyler's whereabouts.

Clay's mental health continues to decline as the friends wrestle with difficult emotions during their college admissions interviews.

In the wake of the lockdown, the school is on edge — and a troubling abuse of power pushes the students to take action.

When the dean begins a new investigation and threatens to cancel prom, the friends decide to confide in their parents ... but not about everything.

Strengthened by the struggles they've endured, the friends say goodbye to high school and look toward the future in an emotional series finale.

In order to stop a terrorist group from procuring a deadly chemical weapon, the team must remember key details from their first days at the FBI. Meanwhile, Weller worries after he gets scary news about the health of his daughter.

Adam has trouble helping Katie prepare for her driving test when she turns out to not be a good driver; Don turns to Lowell for help romancing Marcy.

Sandi Toksvig hosts a ruff and reddy episode in which she takes a look at ruffs and red things with Alan Davies, Tom Allen, Susan Calman and Zoe Lyons.

Jimmy invites Senator Bernie Sanders, Dr. Bernice A. King, comic Wyatt Cenac, and Gary Clark Jr. ft. The Roots to #FallonAtHome for another social distancing home edition of The Tonight Show.

The final five travel to Italy, where the chefs must make an aperitivo for 30 locals from the town of Lucca that pairs perfectly with a Peroni beer; then, they hunt the elusive white truffle which they must use in a dish for a Tuscan food festival.