Sam takes Duke to ballet and Frankie to Pinkberry.

When a prank goes disastrously awry, things at the Nine-Nine take a distinctly Agatha Christie turn.

Richard preps to present his PATH pen at the LA Surgical Innovation Conference but becomes distracted by his issues with Catherine. Maggie and Teddy run into people from their past at the same conference, while Hayes relives moments from when he met his late wife.

An ingénue ballerina discovers she's been secretly videotaped for a pornographic website.

Marty is pressured to move money ahead of schedule. Wendy pitches a high-stakes plan. Wyatt lives the good life. Ruth butts heads in the casino.

Wendy asks Helen—not Marty—to help close a deal. The Byrdes get a new houseguest. Business goes boom aboard a rival casino.

The FBI dives into the casino's finances. Wendy's dreams take a dark turn. Marty worries that the writing may be on the wall.

Wendy, Helen and Ruth strive to keep the business humming. Navarro plays mind games with Marty, who worries he'll never see his family again.

Maya steps up her bid to turn Marty, whose eerily calm demeanor has Wendy worried. The Byrdes buy a horse farm on behalf of Navarro.

Marty and Wendy tell each other how they really feel. Ruth confronts Wyatt. Darlene lets her ambitions be known. Ben's past comes into focus.

The FBI questions Ruth. Tensions between Cosgrove and Marty hit a new high. Sue takes on a new patient. Wendy recruits for her foundation.

Ruth isn't happy about Marty and Wendy's plan to bury the hatchet with Frank Jr. The Byrdes make a difficult decision about Ben. Maya is reprimanded.

Ben's confrontation with Helen and Erin sends the Byrdes into crisis mode. Sam's concerns about the FBI inspire little sympathy.

While Wendy battles personal demons, Marty struggles to keep their lives from falling apart. Darlene does Ruth a favor.

When Carol returns to the store post-suspension, Amy struggles with employees who refuse to work with her. Garrett and Mateo take advantage of the gig economy. Jonah tries to convince Raise the Wage protesters that he's one of them.

Jamie seeks vengeance, putting him on a collision course with Ambrose.

Jimmy invites actor Alec Baldwin to his #stayhome party via safe social distancing video chat in another home edition of The Tonight Show. He also invites Luke Hemmings to sing 5 Seconds of Summer’s “Old Me,” shares his favorite tweets from #IKnewIHadCabinFeverWhen, and Two Fun Men offer quarantine ideas.

This week the chefs honor the late, great Pulitzer-Prize winning food critic Jonathan Gold. Using Gold’s last guide list, the chefs fan out all over Los Angeles to sample the unique taquerias, food trucks, mom-and-pop cafes, upscale eateries and ethnic cuisine only found in the City of Angels. Drawing inspiration from this one-in-a-lifetime culinary odyssey, the chefs create dishes to serve 200 of Jonathan Gold’s friends, family, and restaurateurs that he loved at the iconic Union Station. Noted food writer and personal friend of Jonathan Gold, Ruth Reichl serves as guest judge alongside Padma, Tom and Gail.