Episode list

The windstorm continues to blow through Seattle and when the power is knocked out at Grey Sloan, the doctors must scramble to save lives. Owen, Amelia and Teddy confront their complicated situation.

Meredith questions Link's relaxed approach to a patient's treatment; Maggie worries that Richard, Jackson and Catherine haven't come to terms with Catherine's diagnosis; DeLuca steps up in the operating room when Owen faces a setback.

Amelia and Koracick tackle a daunting surgery on Catherine; Richard urges Meredith to visit her father before his time is up.

As Meredith gains some clarity on her dating situation, the strain on Bailey and Ben's marriage comes to a head. Meanwhile, Betty surprises Owen and Amelia.

A sea of patients flood the hospital after gunfire goes off at a parade and a blast from the past throws Maggie off her game on the same day that Meredith tries to talk to her about DeLuca. Owen and Amelia get some life-altering news.

Meredith breaks a hospital record; the doctors are sent scrambling in the wake of a massive overdose within the community; Jackson wants to take Maggie camping; Levi and Nico's relationship continues to develop.

When Jackson throws a party to celebrate Catherine's surgery and those who worked to save her, nothing goes as planned; Helen pays Alex and Jo a surprise visit.

Meredith finds herself having to side with either Alex or DeLuca during a difficult situation; Maggie reveals details about her personal life that cause a public stir; Levi struggles with whether or not to tell his family about Nico.

Ties are strained as Andrew and Carina confront an unforgiving family history; Teddy and Owen work together on a married couple that is expecting; Amelia attends a conference for alternative pain relief.

Maggie introduces mood rooms as an alternative approach to medicine; Alex and DeLuca butt heads over an 11-year-old patient who tries to sabotage her own surgery; Teddy has a pregnancy scare that brings Owen and Koracick to odds.

When a trauma patient arrives at Grey Sloan, it forces Jo to confront her past. Meanwhile, Bailey and Ben have to talk to Tuck about dating.

Owen and Teddy have to deal with the surprise arrival of Megan Hunt; upon her return, Catherine preps for a surgery on a war veteran who's not emotionally prepared for the procedure; Meredith worries about DeLuca operating with Richard.

Amelia and Link travel to New York to operate on a patient who has a severe spinal deformity, but they're in for more than they bargained for when Nancy Shepherd invites them to dinner at her home.

As Meredith debates how to handle an unexpected situation in her personal life, Richard has an untimely reunion with an old friend. Meanwhile, Jo has a hard time at work, and Owen tries therapy.

Maggie treats one of Station 19's own, and Jo learns a hard lesson. Meanwhile, when working with a family seeking asylum, Meredith makes a call that could jeopardize her career.

Alex tries desperately to save his patient while he waits for a severely agoraphobic blood donor to arrive from London; Jo reveals to Meredith why she's been so down.

As fog begins to cover Seattle, the doctors must navigate through personal complications; Meredith and Alex attempt to save Gus; Levi talks some sense into a struggling Nico.

Meredith, Richard and Alex must deal with the consequences after Bailey fires them for insurance fraud; after disappearing in the fog, Jackson helps a man in a dangerous situation; Tom gets new responsibilities at the hospital.

The doctors operate on a man who crashed into Maggie's car; Owen, back from paternity leave, struggles with Tom's new position; Meredith's recent firing doesn't stop her from diagnosing those around her.

A patient at the hospital is brain dead after falling into a construction site, and her two sisters must decide whether or not to keep her alive.

After Meredith inadvertently stirs up negative press for Grey Sloan, she tries to make things right with her former colleagues, jeopardizing her community service hours. Station 19's Ben and Vic bring a young woman into the hospital, and Jackson stands up to Koracick when he goes too far with a patient's family. Meanwhile, Bailey receives unexpected news; and Owen finds himself at Pac-Gen North, which Alex sees as a recruiting opportunity.

Meredith has a court hearing after skipping out on community service, while Bailey and Jo have a patient that Jo realizes is from the treatment facility. Richard and Gemma grab breakfast together and things go awry.

Alex is hoping to impress investors at Pac-Gen North, but when he hears disturbing news about skeletons on the construction site grounds, he enlists Richard to help with distraction tactics. Teddy feels the pressure to be super-mom after tasking herself with creating original Halloween costumes for Allison and Leo, while Meredith fears she won't make it home in time for trick-or-treating with her kids. Elsewhere, Jackson tends to a pediatric patient who is upset she is spending her Halloween in a hospital.

Catherine is back in town and has no idea what's been going on between Jackson and Maggie, while her relationship with Richard has become distant. Owen and Amelia treat a woman who fell in the basement and quickly realize that there is more to the story; and Maggie is shocked to learn about some of Richard's relatives who are seeking help.

Meredith faces the medical board as her future as a doctor remains uncertain, and she's forced to reckon with her past in some challenging ways. Meanwhile, the interns are put to the test as they are each vying to be the most successful on their respective cases in the absence of some of the attendings.

Jo becomes a safe haven volunteer and gets a call that a baby has been dropped off at Station 19. Meanwhile, Meredith moves forward with her life after facing the medical board. Jackson takes a big step in his budding romance with Vic, while Bailey and Amelia swap pregnancy updates.