The members of Station 19 pack their gear and head to Los Angeles, California, to help battle a deadly wildfire raging out of control. While the team works to evacuate residents, they meet Terry (played by Patrick Duffy), and Ben makes a split-second decision that changes both of their lives. Nyle DiMarco guest stars as Dylan.

At the Observatory, Mokrani and Catherine clash over the fate to be reserved for Micah, whom Catherine considers to be a major source of information. Micah reveals to Catherine that she has to find Bill Ward. The latter, for his part, tries to find out more about Emily, still assailed by visions of Adina, the leader of the aliens urging him to kill Bill.

Without telling Emily or her parents anything, Bill decides with Zoe to test on Emily the biological weapon he hopes to be able to use against the aliens. Catherine, for her part, has had difficulty managing her grief since Mokrani's death. She now has only one thing on her mind: to find out who Bill Ward is and find him. Sophia is ready to help him, but Nathan hesitates.

Oh no! The Red Goobler's back and this time he's jacked! This one's too scary for me.

Dinner Time! Korvo wins top prize at the annual neighborhood rib festival.

Tragedy strikes, altering the course of the future forever. Catherine’s priorities change with the arrival of Sophia. Things come to a head between Jonathan and Sacha. And Emily’s so happy she can see again that she’s stopped asking why, even if others haven’t...

When Cain becomes aware of an emergency situation breaking out at the hospital, he recruits Ezra to help keep it under wraps. Also, Nic works to come up with a support system for a patient in need of a lung transplant. Meanwhile, Kitt's son-in-law's condition continues to worsen.

The crew gathers to face the outcome of a life-threatening situation; Andy and Ben respond to a man impaled by a chandelier; Station 19 is called upon to organize shipments of supplies and assist with wildfires in Los Angeles.

Everyone knows how to bargain. Bree sinks to a new low to retain the best lawyer; Gaby’s vanity is put to the test when she makes a deal with daughter Juanita; Lynette and Tom negotiate sex; Katherine deceives Mike to win his heart; Jackson walks back into Susan’s life with a proposal; and an unexpected visit sends Dave to do some bargaining of his own.

Every day is a masquerade. Bree goes to extremes to hide her true intentions from Orson; Susan and Jackson put on an act for the authorities; Lynette is shocked at the lengths Tom will go to in order to look younger; Katherine masks the truth from Mike, afraid to lose him; and Dave is on edge when he learns a key witness to his misdeeds surfaces.

When Cain becomes aware of an emergency situation breaking out at the hospital, he recruits Ezra to help keep it under wraps. Also, Nic works to come up with a support system for a patient in need of a lung transplant. Meanwhile, Kitt's son-in-law's condition continues to worsen.

Bailey recruits the interns to create a series of social media videos informing teens about sexual health. The videos, filmed at Grey Sloan in front of a group of high schoolers, hit home as a student has medical complications during her visit. Elsewhere, Meredith and Maggie learn something new about Zola.

It’s Halloween night at Grey Sloan Memorial. Meredith and Nick try to spend some alone time together; Levi is stressed due to overworking, and Winston and Owen have the interns practice trauma training on a real cadaver.

Everyone knows how to bargain. Bree sinks to a new low to retain the best lawyer; Gaby’s vanity is put to the test when she makes a deal with daughter Juanita; Lynette and Tom negotiate sex; Katherine deceives Mike to win his heart; Jackson walks back into Susan’s life with a proposal; and an unexpected visit sends Dave to do some bargaining of his own.

Every day is a masquerade. Bree goes to extremes to hide her true intentions from Orson; Susan and Jackson put on an act for the authorities; Lynette is shocked at the lengths Tom will go to in order to look younger; Katherine masks the truth from Mike, afraid to lose him; and Dave is on edge when he learns a key witness to his misdeeds surfaces.

When a priceless painting is stolen in a museum heist, Morgan and Karadec team up with an art-recovery expert to unravel a tangled case and fierce ownership battle. Meanwhile, Soto is determined to uncover the secrets hidden inside Roman’s backpack.

Just when Derek's condition seems to be improving, a severe complication arises, causing Kit to fear that he may be the latest victim of Cain's cover-up. When Cain's former girlfriend is admitted to the hospital for surgery, the doctors finally get a glimpse into his personal life. Meanwhile, Conrad fills in Marshall on the emergency situation facing the hospital and Mina and The Raptor work on saving the heart of a salsa dancer.

Bailey and Addison take a road trip to volunteer at a family planning center, but a patient’s ectopic pregnancy leads to complications. Elsewhere, the interns play detective about Lucas’ relationship with Amelia, and Meredith catches up with Jackson on a trip to Boston.

On the heels of life-changing news, a thunderstorm hits Grey Sloan; the attending surgeons and interns work together to save an injured reporter and family affected by the storm; a beloved author undergoes a risky surgery.

Gaby runs into an old acquaintance who’s lost everything, Lynette is upset with Tom for his latest “bright idea,” Orson threatens to blackmail Bree, and Susan accepts Dave’s “friendly” gesture.

As Lynette adapts to Tom’s decision to go back to school, Orson takes a beating that Bree cannot comprehend, Gaby’s niece moves to Wisteria Lane, and Susan and MJ’s lives are in grave danger at the hands of Dave.

The members of Station 19 pack their gear and head to Los Angeles, California, to help battle a deadly wildfire raging out of control. While the team works to evacuate residents, they meet Terry (played by Patrick Duffy), and Ben makes a split-second decision that changes both of their lives. Nyle DiMarco guest stars as Dylan.

When Captain Hornstock becomes the prime suspect in his third ex-wife’s murder, he turns to the only two people he can trust to prove his innocence, Rosewood and Villa, forcing them to repair their severely damaged relationship in hopes of clearing his name. Meanwhile, Shirley’s revelations lead to emotional consequences for Rosewood and Pippy.

While testifying for the prosecution during a murder trial, Rosewood engages in a pathology chess match with the expert witness for the defense – his father. Then, when Donna and Beaumont Sr. make an unexpected announcement, it has unforeseen consequences.

When a priceless painting is stolen in a museum heist, Morgan and Karadec team up with an art-recovery expert to unravel a tangled case and fierce ownership battle. Meanwhile, Soto is determined to uncover the secrets hidden inside Roman’s backpack.

Dina struggles to say goodbye. Carr and Liberty’s feud spills beyond the office.

While testifying for the prosecution during a murder trial, Rosewood engages in a pathology chess match with the expert witness for the defense – his father. Then, when Donna and Beaumont Sr. make an unexpected announcement, it has unforeseen consequences.

When a priceless painting is stolen in a museum heist, Morgan and Karadec team up with an art-recovery expert to unravel a tangled case and fierce ownership battle. Meanwhile, Soto is determined to uncover the secrets hidden inside Roman’s backpack.

The members of Station 19 pack their gear and head to Los Angeles, California, to help battle a deadly wildfire raging out of control. While the team works to evacuate residents, they meet Terry (played by Patrick Duffy), and Ben makes a split-second decision that changes both of their lives. Nyle DiMarco guest stars as Dylan.

Gaby runs into an old acquaintance who’s lost everything, Lynette is upset with Tom for his latest “bright idea,” Orson threatens to blackmail Bree, and Susan accepts Dave’s “friendly” gesture.

As Lynette adapts to Tom’s decision to go back to school, Orson takes a beating that Bree cannot comprehend, Gaby’s niece moves to Wisteria Lane, and Susan and MJ’s lives are in grave danger at the hands of Dave.

On Meredith's last day at Grey Sloan, the doctors plan a goodbye surprise and Nick confronts her about the future of their relationship; the interns compete to scrub in on a groundbreaking procedure; Richard asks Teddy an important question.

Teddy makes a challenging decision; Maggie and Winston aren't on speaking terms; Link leans on Jo for emotional support as he preps for a surgery on a well-known athlete; Simone and Lucas are surprised by an unlikely visitor.

After a long wait, Conrad and Nic prepare for their wedding day with the support of their family and friends. Meanwhile, flashbacks to the early days of the COVID-19 crisis shine a light on the heroism of the doctors and the toll the virus took on everyone at Chastain Memorial.