Frustrated by the lack of appreciation for all she does, Katie decides to leave the family to fend for itself.

When Junior gets an offer for his dream job working with Migos, Dre and Bow are determined to convince him to return to college and get his degree.

Former FBI Agent Tobias Fornell pleads with Gibbs to do whatever is necessary to take down drug dealers and suppliers in the area after his daughter, Emily Fornell, is hospitalized from an opiate overdose. Gibbs is haunted by the personal aspects of the case and his history with vigilante justice.

Clarke embraces the traditions of Sanctum and tries to make amends for her past actions.

Actor Kevin Hart; actress Beanie Feldstein; Mabel performs.

Carson Daly reveals who America has chosen to be the winner. Chart-topping artists perform and collaborate with the 4 finalists. Fan-favorite past contestants perform.