The five OKC slots for America's List are almost set. Chief, Dave and Ryan have all solidified their spots. Murder Nova must conquer his toughest matchups to clinch one of the remaining spots.

Contestants perform duets with surprise celebrity guests for a chance to make it to live shows.

The Battle Rounds continue as the coaches enlist music industry Luis Fonsi, Dan + Shay, Brandy and Darren Criss to prepare their artists to go head-to-head in hope of advancing to the Knockouts; each coach has one steal and one save.

As a sudden death impacts the older generation of the Worsley family, Ava struggles to keep a profound secret from Paul, and Ally finds it equally difficult to hide her true feelings from Luke.

When the team investigates a group of teenagers who are using Debris to kill the elderly, Bryan faces increasing pressure from Maddox to get answers out of Finola.

Trevor highlights voter suppression in Georgia, Desi Lydic examines how the pandemic disproportionately harms working women, and Dr. Carl L. Hart discusses his book "Drug Use for Grown-Ups".

Conan welcomes Will Forte.

30-something Judy Ken Sebben inherits her father's company, which would be great if that company weren't built around the most socially irresponsible 20th Century products and practices.

Jimmy welcomes actor Milo Ventimiglia, comics The Lucas Brothers, and a musical performance by Kali Uchis.

Stephen welcomes TV host John Cena and Senator Tammy Duckworth.

Mazzi and Uncle Daniel set their sights on the same woman. M'Dear becomes obsessed with bingo. An injured Moz considers a return to football.

James welcomes actor Bob Odenkirk and a musical performance by The Fratellis.

Sahira is adamant that her father is innocent, Louis discovers Vicky is trapped in a toxic relationship, and Lucky isn't sure if Kian is really clean.

Following the death of Ludovico's wife, Leonardo is assigned a new commission but struggles to deal with his inner turmoil; after taking on board some wise words from Fr. Luca Pacioli, Leonardo seeks assistance.

Returning to Florence, an uninspired Leonardo accepts to paint the portrait that will become the Mona Lisa; after failing to repair his relationship with Caterina, Leonardo goes to Imola, where he receives much praise from his employer.