Gemma reaches her limit at work, and when a car issue forces her to slow down, an unexpected break helps her rethink what she really wants next. Meanwhile, Marty and Malcolm's plans are thrown off course when unexpected opportunities arise, and Dave embraces a new career path.

The Top 12 take on the "Judges' Song Contest", performing '90s hits secretly picked by Luke Bryan, Lionel Richie, or Carrie Underwood. Plus, stars of ABC's "TGIF" '90s lineup hang with the hopefuls in the lounge as America votes for the Top 11.

When Ron becomes a patient, the St. Denis staff rallies around him, whether he likes it or not; Matt and Serena need to talk.

The knockout rounds conclude as the coaches pair their artists to perform solo against each other in hopes of reaching the semifinals; each coach brings back two fan-favorite artists from their past teams for the All-Star Showdown.

A man appears after a bright flash of light in the middle of a field and claims to have been abducted by aliens.

Tobin's past comes back to haunt him; Reggie and Brina struggle to set a wedding date.

Angelo's worlds collide, setting up an explosive and heart-racing confrontation with The Ferryman.

A troubling incident at a school draws the team into a complex case, while Celina's temporary missing persons assignment leads her into a dangerous situation.

This week the chefs are visited by North Carolina's own Fortune Feimster as she challenges them to improv their Quickfire dishes and serve them to kids in honor of Comic Relief. Then the chefs are tasked with creating dishes featuring dehydration. They'll serve their dishes to Kristen, Tom and Gail along with guest judges Joe & Katy Kindred as well as "Top Chef" alum Savannah Miller at the U.S. National Whitewater Center.

In the criminal underworld of Janix, Maul enacts a plan to consolidate his power.

Stephen welcomes actor Keanu Reeves and musician Jack White.

Tension rises after Baek-jeong puts Gun-woo's close ally at risk. As Baek-jeong's group comes to light, Min Gang-yong plans a mission to hunt him down.

It seems The Abstract Killer is back! Arch and Fitz rely on psychologist Dr. Fouchard's serial killer expertise as they investigate another gruesome murder and rush to save one of their own.

Recovering from battle, Han Chieh follows a message to a key location, leading him and Chang-min to surprising new leads in their hunt for answers.

MONDAY. The end of the trip and our detectives reveal the case in a grand way.

Maul seeks to enlighten his new prisoners while Lawson pursues him.

At a friend's wedding, Lisa struggles in the face of Amanda's pregnancy, and Stephen tries to find the courage to confront Dave.

A family reunion in Italy is shattered when a body is found at sea, and a restaurant employee is arrested.