When a famous mystery writer dies, Athena, Bobby and the 118 respond to the chaos caused by a city-wide manhunt for buried treasure the author left behind.

When Calvin's arch-rivals, the Pink Ladies, move their manicure business into the local barbershop, Dave encourages him to make peace until the women take a prank too far and the guys decide to plot revenge. Also, Gemma helps Tina find a creative way to keep tabs on Marty and Malcolm's dating lives.

The winner of the four-way Knockout is revealed. The remaining Top 17 artists perform in front of coaches Kelly Clarkson, Nick Jonas, John Legend and Blake Shelton for their chance at a spot in the Top 9.

While Dele is in Nigeria with his dad, Abishola struggles with how to handle her free time, so Bob, Gloria and Kemi remind her how to let loose. Also, Dottie enlists Christina's help at her old house and Olu and Tunde try to keep up with their new Nigerian houseguest.

Jefferson takes Khalil up on his offer to help. Meanwhile, Lynn finds herself wrestling with what could be the biggest decision of her life. Lastly, Tobias follows through on a hunch.

Lola finds herself in the judicial hotseat when she presides over the case of former Sherriff Wayne McCarthy, and struggles because she and Mark can't talk to each other outside the courtroom. Also, Detective Rashel and other cops come forward to speak against McCarthy, but Corinne continues to turn their testimonies against them, and Luke demands that Mark allow him to take the stand.

A recovering Owen becomes the prime suspect in the serial arsonist case. Meanwhile, T.K. and Carlos find themselves in a fiery situation and Tommy gets the surprise of her life.

Steve and Jeff try to bond as brothers while the rest of the family visits an escape room.

Bull aims to win over a federal jury without the use of hard evidence when TAC represents Hank Alston, a child recovery agent charged with fraud for not having documented proof of his covert work. Also, Izzy wants Benny to consider hitting back at his opponent in the District Attorney race when the other candidate engages in mudslinging before an important debate

Shaun struggles with his role as Lea's partner after complications arise with the pregnancy and his instincts as a medical professional kick in. Meanwhile, Dr. Park, Dr. Andrews and Asher disagree on how to address an elderly patient's wishes.

As Jim and Jackie's golden wedding anniversary party is plunged into darkness by a power outage, the growing tensions between Paul and Luke reach an explosive and terrifying climax.

When a woman who has been affected by the Debris is found with knowledge of Bryan's past, he is forced to confront his trauma.

California Gov. Gavin Newsom faces a wild recall race, Ian Manuel discusses his memoir "My Time Will Come", and WNBA star Candace Parker talks about her return to the Chicago Sky.

Conan welcomes Sean Hayes

Judy discovers a product her father invented is leaving holes in her. And not the metaphorical kind.

Jimmy welcomes actress Leslie Jones, activist X González, and a musical performance by Weezer.

Stephen welcomes journalist Jake Tapper and musician Billie Eilish.

For her first big investigative piece, Annie visits a separatist community outside of Portland. But is she out of her depth? Fran and Emily make a sex tape. Annie tries to move things forward with Nick.

To solve a mystery involving famed private eye Owen Quinn, the kids must enter the book and become its characters.

Selena's confidence plummets when her label suggests she hire a vocal coach. To make matters worse, the singer feels distanced from Chris.

Girls5eva rent a cabin upstate to focus. Gloria runs into her ex-wife and tries to reconnect.

With her partying spiraling out of control, Chloe nears rock bottom. Sheldon encounters hardship in his search for answers to the visions haunting him.

James welcomes actor David Oyelowo and a musical performance by Maisie Peters.

The least impressive team from the master team challenge must cook off in this pressure test.

Donna leads the Holby nursing staff in a protest, but will Hanssen be moved by the nurses' cause or are things about to get much worse for them? Lucky realises that Kian lied to her about where Andrei was staying, and an accidental encounter between Josh and Hanssen threatens to spill both their secrets.