How to watch Grey's Anatomy: Season 18 (2021) on Netflix Australia!

First-year intern Meredith Grey, the daughter of a famous surgeon, meets her fellow interns on her first day at Seattle Grace Hospital.

Meredith puts her career on the line to save a newborn in the hospital nursery.

Interns compete to treat severe injuries as the emergency room fills with an assortment of patients from the annual bike-messenger race.

Cristina's encounter with a former nurse, now a patient at Seattle Grace, changes her forever.

Meredith believes she may have erred during surgery and endangered her career, and Izzie tries to throw a party for her new boyfriend.

Alex works hard to gain the trust of Annie, a shy patient with a gargantuan tumor, only to make a fool of himself in front of her later.

Derek and Meredith try to be discreet after spending the night together at her house.

Meredith becomes disenchanted with her ignorance of parts of Derek's life.

The outbreak of a sexually transmitted disease affects several members of the hospital staff.

Meredith deals with the fallout of meeting Addison while Cristina reveals a secret. George talks to Izzie about his interaction with Alex.

Alex helps a family make a difficult decision, George's friends urge him to be honest with Olivia, and Addison speaks with Meredith.

Family secrets become public when Meredith's mother is brought to Seattle Grace for surgery. Cristina suffers a medical emergency.

Cristina proves to be a difficult patient as she continues to recover, and Meredith's mother keeps the hospital staff running in circles.

An emergency raises the stakes for Alex and George as one of them is forced to perform surgery in an elevator. Meredith pleads with Derek.

A train crash brings several seriously injured patients to the hospital, providing a distraction for Meredith as she awaits Derek's final decision.

Meredith empathizes with a male patient whose medical issues capture the attention of the hospital. Derek and Addison begin marriage counseling.

Derek and Addison's close friends come to Seattle Grace seeking radical surgery to avoid breast and ovarian cancer.

The Thanksgiving holiday is more difficult for the interns and residents than any of them is willing to admit.

Cristina has anxiety about her relationship with Burke, Meredith's one-night stand checks in to the hospital, and Addison's pregnant patient arrives.

Cristina has little sympathy for an inmate who jeopardizes her health to get out of solitary confinement.

Burke and Yang disagree on how to treat a young boy who does not seem to want a needed heart transplant.

Izzie cannot ignore the chemistry she shares with a patient awaiting a heart transplant. George treats Bex, an intersex teenager.

Izzie and George insist Meredith get rid of Doc. Cristina is blunt with a musician who injures his fingers.

The nurses go on strike, leaving the doctors to fend for themselves just as a new chief resident takes over for Bailey.

Meredith's premonition of having a bad day is realized when a medical case arrives threatening the lives of everyone in the OR.

The code black situation escalates, despite Meredith's best efforts. Meanwhile, George helps Bailey while Derek tries to save Tucker's life.

Someone from Derek and Addison's past arrives in Seattle. Meredith discovers a family secret. George confesses his feelings.

Meredith and George suddenly find themselves at odds at work. Bailey finds herself treating Addison for an unusual feminine issue.

It becomes a bad day for Cristina when Bailey instructs her to take care of her baby. Derek and Addison come to terms with their relationship.

When a series of deaths occurs at Seattle Grace, the uncanny events bring out the doctors' superstitious sides.

Bailey fears she's being mommy-tracked. Izzie is not a fan of George's new romantic interest. Meredith learns shocking information about her father.

Meredith questions her vow of celibacy after meeting a veterinarian. Burke treats his musical hero. Bailey wonders about Izzie and Denny's relationship.

The interns care for a family after a car accident. Denny and Izzie argue about his medical treatment while tensions rise between Derek and Meredith.

Meredith and Derek receive bad news about their dog. Izzie takes drastic measures in hopes of getting a new heart for Denny.

Izzie's actions regarding Denny escalate and Bailey steps in. Meanwhile, Derek prepares to operate on Burke.

Richard interrogates the interns about what happened with Denny. Meredith and Derek say goodbye to Doc. The hospital hosts a prom.

Izzie copes with a great loss; Meredith faces decisions about her future after her liaison with Derek.

Cristina meets Burke's parents, the interns campaign for Izzie's reinstatement, and Addison takes a break from her hospital duties.

Cristina helps Preston cope with his hand tremor; Izzie returns to the hospital for the first time since she quit the program.

Addison doubts her abilities; Cristina pushes Burke's rehabilitation; an intern suffers a medical emergency.

Bailey treats a young mother battling breast cancer, and Derek learns more about Mark and Addison's relationship.

Cristina draws the envy of the other doctors when she scrubs in for a special procedure.

The men of Seattle Grace go on a camping trip, and Meredith assists with a procedure Sloan has never experienced.

The O'Malley family visits George at the hospital; Meredith determines to have a more positive outlook on life.

A traumatic car accident fills the ER, and Cristina has a crisis of conscience about her deceptive teamwork with Burke.

Recent events strain Burke and Cristina's relationship, and Meredith's half-sister enters the hospital.

George's father has surgery for his cancer; Thatcher Grey arrives to see his new granddaughter; Meredith finds that Derek has trouble sleeping.

Mark is furious with Addison; George's father continues to recover after his surgery.

Bailey proposes the creation of a free clinic; a Seattle Grace doctor receives a proposal.

The doctors compete for Richard's affections, and a surgical patient endangers the lives of those around her.

A ferryboat accident on triage training day tests the interns.

Meredith's friends and fellow doctors work to save her life after her near-drowning.

Meredith flatlines and gets a visit from Denny and Dylan in the afterlife. Derek works to bring her back from the brink.

The race for chief heats up as a new competitor comes forward, and Callie must reveal a big secret.

George meets his father-in-law, Alex helps Jane Doe determine how the world will see her, and Izzie wrestles with a startling revelation.

Izzie faces her past and finds comfort in George, Alex has an attachment to Jane Doe, and Meredith and Derek question their status.

Everyone is extra-attentive to a patient who is the chairman of the hospital board; Cristina helps Burke plan the wedding.

Addison takes a temporary leave from Seattle Grace and visits old friends in Los Angeles.

Addison takes a temporary leave from Seattle Grace and visits old friends in Los Angeles; Cristina continues -- reluctantly -- to plan her wedding.

The interns take their first-year medical exams, and the residents tend to three injured mountain climbers.

Cristina and Burke's wedding day arrives; the interns get their exam results; Callie and George make a decision about their relationship.

Cristina, back from her honeymoon trip, searches in vain for Burke; Meredith, Cristina, Izzie and Alex spend their first day as residents.

The residents and interns treat the victims of a massive explosion at an apartment building. Mama Burke returns to collect her son's things.

George's skills dazzle the new interns, and Meredith halfheartedly helps Lexie with her first emergency patient.

Izzie gets an unexpected reaction when she reveals her feelings about George to a mutual friend.

On Halloween, Alex receives an unexpected visit from a former patient, and Meredith thinks her mother's ashes are haunting her.

Cristina and Izzie find themselves competing for the same surgeries and the favor of the doctors performing them.

George and Izzie test their romantic chemistry, and Derek asks for more than a physical connection with Meredith.

Teenagers fill the ER after a school bus crash, and Bailey treats a patient who was her high school crush.

An ambulance crash endangers the lives of the paramedics involved, and Bailey treats a patient who refuses her help.

Meredith furiously works to save the life of a paramedic trapped inside an ambulance, and Lexie holds a patient's life in her hands.

Bailey's family faces a medical trauma just as her marriage falls apart, and George's mother makes a surprise visit.

Six weeks after Derek and Meredith end their relationship, Meredith, Alex, Izzie and Cristina compete in a surgical contest.

Addison returns to Seattle Grace to perform an operation and is surprised by all the changes in the lives of her former co-workers.

The nurses' complaints about Mark Sloan's trysts result in a date-and-tell policy; Cristina is forced to face her feelings for Burke.

Dr. Wyatt refuses to let Meredith give up on therapy. Alex learns the truth about Rebecca's medical condition.

Meredith and Derek get one last shot at success in their clinical trial, and the surgeons work together to free a boy from a block of cement.

Derek and Meredith's relationship is reinstated as the clinical trial comes to an end. Erica and Callie share an intimate moment.

Derek agrees to move in with Meredith, who airs her concerns to Cristina.

After accidentally injuring Derek during surgery, Rose decides to transfer out of the department.

A plumbing leak becomes a flood and wreaks havoc at Seattle Grace. The chief attempts to implement new teaching policies.

Meredith gets upset when Derek finds her mother's diary, and Callie worries about her first "official" date with Erica.

Bailey heads up a "domino procedure," in which each surgery hinges on the one preceding it.

The chief gives Bailey new power. He also gives her a very difficult surgical assignment: remove a girl's inoperable tumor.

The chief tells the residents that one of them will get a solo surgery, and a competitive frenzy ensues.

Meredith's old friend Sadie becomes an intern at Seattle Grace, but Meredith's other friends aren't exactly welcoming.

Meredith, Cristina and Bailey come to Lexie and Sadie's rescue when a routine surgery goes horribly wrong.

Cristina is awarded the first solo surgery among the residents, but she has to relinquish it and choose her replacement.

Bailey teams with Seattle Grace's new pediatric surgeon, Dr. Arizona Robbins, to save the life of a young patient near and dear to her heart.

Derek's mother makes a surprise visit to Seattle and meets Meredith for the first time. Meanwhile, Owen and Cristina try to go on their first date.

Everyone in the hospital is stepping up to try to find the boy a new organ donor.

Now that Derek has the engagement ring, he searches for the perfect way to propose to Meredith.

Addison, Naomi and Sam rush the ailing Archer to Seattle Grace and reunite with old friends Derek and Mark to help save his life.

Derek's confidence is shaken as he faces off with Addison over the best course of action for their dying pregnant patient.

After learning at a deposition that more of his patients have died than survived, Derek decides to quit, but Meredith refuses to give up on him.

After his fellow surgeons try and fail to bring Derek back to work, Meredith must summon the strength to convince him.

All eyes are on Derek as he is set to perform his first surgery after his breakdown. Owen has another PTSD episode.

Izzie throws herself into Derek and Meredith's wedding plans, but the stress of her illness takes its toll on Alex.

As the wedding preparations continue, several residents face the arrival of their parents at the hospital.

As Meredith and Derek prepare for the big wedding, a group of college students injured in a car crash is admitted to the ER.

Izzie spends time with a fellow cancer patient and contemplates whether to undergo a risky surgery.

George delivers stunning news to Bailey, sending shockwaves throughout the hospital.

The hospital staff is confronted with a crisis. In the aftermath, they find different ways to cope.

Meredith and Derek consummate their marriage anywhere and everywhere, while Cristina and Owen are instructed to abstain from sex.

Nervous that there will be layoffs in the hospital, the Seattle Grace residents compete to survive the cuts.

When Meredith and Lexie's father returns to the hospital with a failed liver, it's up to Meredith to save his life.

The residents of Seattle Grace and Mercy West vie for surgeries and their careers as day one of the hospital merger begins.

After a burn victim dies in the midst of a chaotic ER, the chief and board member Jennings interrogate the residents to find the culprit.

When the hospital lab tech has an inoperable tumor wrapped around his spine, he turns to Derek to do the impossible.

A generous donation is offered to Seattle Grace by the parents of Arizona's 10-year-old patient.

When Owen recruits his fellow Iraq war vet as the new cardiothoracic surgeon, Cristina questions the vet's abilities.

As Thanksgiving, Christmas and New Year's pass, Miranda is visited by her father, who disapproves of her choices in life.

Mark flies Addison to Seattle to help with a difficult procedure on his pregnant daughter.

After learning of Richard's drinking problem, Derek confronts him. Izzie returns, hoping to reconcile with Alex.

As Derek begins his role as interim chief, he faces a potential lawsuit when Bailey and Meredith's patient awakens from anesthesia mid-surgery.

It's Valentine's Day, and the doctors must treat dozens of injured people after the roof collapses at a romantic restaurant.

In his new role as chief, Derek restores the hospital lecture series.

When famous surgeon Dr. Harper Avery is rushed in, the staff is surprised to discover that one of their own is related to this legend.

A patient who needs an extremely difficult surgery comes to Seattle Grace, and Richard and Owen vie for the opportunity to tackle it.

When Teddy's patient seeks to end treatment and her life, she turns to Hunt for help.

When Alex's younger brother shows up with a hernia, it's up to Alex to get approval for pro bono surgery.

Sloan returns to Mark's apartment just as she's going into labor, and Teddy, Mark, Callie and Arizona are there to help with the birth.

Bailey preps the team with mandatory sensitivity training prior to admitting an obese patient with compounded medical issues.

An elderly patient admitted into the ER for a heart condition sees a familiar face: a long-lost love who happens to be in the ER as well.

Seattle Grace Hospital is hit with a crisis like no other in its history.

Cristina and Meredith's surgical skills are put to the ultimate test.

The staff tries to deal with physical and emotional trauma in the wake of the vengeful gunman's deadly rampage.

Meredith finally tells Derek about her pregnancy and miscarriage; during a surgery, Cristina experiences PTSD.

Issues surface when Derek's estranged sister, Amelia, visits unexpectedly; Meredith and Derek continue to try to ease Cristina back into surgery.

Derek and Meredith visit the obstetrician and receive disturbing news; Lexie notices April and Meredith growing closer.

As part of their training, Seattle Grace's residents are put in charge; the attending surgeons compete for a $1 million grant.

A documentary crew visits the hospital six months after the shooting to document the road to recovery for doctors and patients.

Owen puts the residents through a rigorous trauma-certification drill; Cristina is left alone to monitor an ill lung-transplant patient.

Doctors try to save the life of a political figure from the Middle East; Cristina decides to decorate her new place and throw a housewarming party.

Derek and the attendings go out to celebrate when he gets the grant he needs for his clinical trial.

Teddy directs her efforts and compassion toward a dying patient without the proper insurance to seek treatment.

A gunman open fires at a local college, sending mass casualties to the hospital; Arizona's return is not warmly welcomed.

Arizona tries to reconcile with Callie, who has big news to share; Teddy faces an important decision; the residents receive new interns.

Meredith feels left out when Derek breaks ground on his clinical trial; Bailey's new idea does not go over well with the chief.

Meredith and Lexie's father returns to Seattle Grace with stomach pains and a new girlfriend; Alex butts heads with the new OB.

Meredith volunteers to run the ER for a night in the hopes of proving that she's chief resident material; Bailey and Eli get into mischief.

Meredith's fertility treatments start affecting her eyesight; Mark talks to Callie and Arizona about his role as a father.

Richard tries to get Adele into Derek and Meredith's Alzheimer's trial; Arizona and Mark try to plan a baby shower for Callie.

A cataclysmic event leaves the doctors shaken; Callie, on the verge of a life-changing moment, starts having visions of the hospital and her friends.

Everyone tries to help Callie and her baby recover; the death of a trial patient impacts Derek and Meredith in different ways.

Callie and Arizona's wedding is not coming together as they hoped it would; Meredith and Derek make a life-changing decision.

Work and personal pressures leave Meredith on edge; formal interviews for the chief resident position begin; Lucy and Alex's relationship is tested.

Meredith's dishonesty is revealed, leading to unexpected consequences for her and others; the new chief resident is chosen.

Meredith faces the repercussions of messing with the medical trial.

Meredith and Derek's relationship concerns Zola's adoption counselor.

The chief makes a decision that shocks everyone at Seattle Grace.

A stampede at a comic book convention leads to an influx of patients.

The residents try to impress Jackson's mother, Catherine Avery.

Meredith tries to get Derek interested in a patient's rare brain tumor.

Owen organizes a baseball game against Seattle Presbyterian.

Jackson's suspicions about Mark and Lexie interfere with work.

Teddy is called away on another case, as Henry is brought in for surgery.

Teddy asks Cristina to help with an O.R. patient.

The doctors form two teams to operate on conjoined twins.

Richard's 10,000th surgery is a liver transplant for two sisters.

Meredith dreams of what her life would have been.

Callie surprises Arizona with a romantic evening.

Amelia arrives at Seattle Grace to beg Derek to help with a case.

As Adele's condition deteriorates, Richard considers making a change.

Derek asks Meredith to work with him in neuro again.

An escaped lion puts lives and relationships in danger.

Cristina makes Owen tell her about the intimate details of his affair.

Richard faces a disturbing realization while visiting Adele.

The residents travel to San Francisco for the oral boards.

The residents agonize over their upcoming exam results.

The residents choose their future positions.

A dangerous situation leaves the doctors fighting to stay alive.

Following a plane crash, the doctors of Seattle Grace try to cope with loss, adapt to changes and move forward with their lives.

The doctors try to cope with heartache and injuries caused by the plane crash. Everyone at Seattle Grace struggles to return to normalcy.

The crash survivors must make a life-changing decision; tensions escalate between Jackson and April; Alex tries to restrain himself.

Out of consideration for Derek, Meredith stops talking about her surgeries. Richard asks Dr. Avery to help with a complicated procedure.

Meredith and Cristina rely on each other as they face more responsibilities at their respective hospitals and cope with life after the plane crash.

As the doctors move forward with their lawsuit, they must face the realities of their injuries. Bailey tricks Arizona into assisting with a case.

Owen and Cristina navigate their relationship amid the pending lawsuit; Bailey and Ben argue over wedding plans.

Meredith asks Heather to help fix Derek's hand. Cristina sets Stephanie and Leah against each other in a competition.

While the doctors prepare for Bailey's wedding, Richard helps her with her anxiety; Lizzie and Meredith butt heads.

Bailey continues to put her wedding day on hold as she tries to save Adele's life; Owen and Cristina are unsure about their pending divorce.

Derek, Meredith, Arizona and Cristina receive news about the plane crash lawsuit. Jackson takes on one of Mark Sloan's former patients.

A new doctor at Seattle Grace puts others on edge; Arizona struggles with phantom limb pain; Meredith is faced with her worst fear.

Derek and April fight to find a solution for the hospital; Cristina works to respect the wishes of a dying boy's family.

Several of the doctors compete to be the new face of Seattle Grace. Alex and Jackson work with a transgender teen couple.

Owen is faced with tough decisions as Seattle Grace spirals toward financial ruin. Jo and Alex try to save an infant's life.

As news of Seattle Grace's financial issues spreads, Catherine wants Jackson to move to Boston and the interns fear for their jobs.

Discord and chaos created by new management causes one doctor to question his future at Seattle Grace.

More positive changes are made by the hospital's new management. Meredith worries about her unborn baby.

A gas tanker explodes on a highway, resulting in multiple injuries; Jo and Meredith try to help a frantic woman, whose child has a mysterious illness.

Unsettling news motivates Derek and Meredith to take preventive steps for their children's future.

After several of Bailey's patients die, she becomes the focus of a CDC investigation. Cristina teases Alex about his feelings for Jo.

Bailey continues to shut everyone out. A magician's assistant needs medical attention after a trick goes awry.

The doctors prepare for a superstorm headed for Seattle. As Owen becomes closer to Ethan, his desire to be a parent gets stronger.

As the storm rages, patients are brought to the hospital by the busload and resources dwindle; a doctor's life hangs in the balance.

In the wake of a devastating storm, the doctors of Grey-Sloan desperately try to help the injured -- including two of their own.

Traumatized by loss, the interns are determined to become more tightly bonded. Catherine and Bailey are at odds over treating Richard's condition.

While Meredith and Derek cope with sleep deprivation, Owen forces Jackson to be mindful of hospital finances and April waits for her board results.

A circus-themed fundraising gala could be the prescription for the hospital's financial woes, but the party leaves the ER seriously understaffed.

Meredith is having trouble being both a great surgeon and a great mother, while Jo finds herself in a complicated relationship with a problem patient.

Research is at the forefront when Derek joins Callie on a brain mapping project and Meredith decides to continue her mother's work to get a grant.

The doctors have their hands full at Halloween, with Owen and Cristina operating on a man with unusual anatomy and Jo tending to a frightened child.

The feuding continues at Grey-Sloan, with Meredith and Cristina fighting over a new piece of equipment and Bailey on the verge of a nervous breakdown.

Callie is put through the ringer when she undergoes a malpractice lawsuit, but her devoted father's support prompts her to try salvaging her marriage.

While Meredith plans Thanksgiving dinner with Emma's help, Ben confides in Derek that he thinks Bailey has OCD, and Richard has a health setback.

Cristina and Shane's relationship heats up in more ways than one, while April prepares for her wedding with the not-so-welcome help of her sisters.

On her big day, April insists that Cristina and Meredith stop arguing -- but a disruption occurs anyway thanks to a big proclamation from Jackson.

Relationships are topsy-turvy at the hospital as Arizona and Callie reconcile, Derek breaks a promise to Meredith and Alex says goodbye to his father.

With the new non-fraternization policy in place, the couples at the hospital are having a hard time juggling their professional and romantic lives.

Tension mounts among the doctors as more about the HR complaint is revealed. Callie and Arizona hash things out, but Callie gets bad news from Derek.

Richard gets an unusual birthday present when Bailey asks him to scrub in on an amazing surgery; Callie stands up for herself;Shane helps Cristina.

A troubling case has Cristina imagining two futures: one in which she and Owen have children, and another in which her career reaches new heights.

The flu sweeps through the hospital, felling doctors and patients alike, so Meredith fills in for Derek at a big presentation about his research.

Cristina plays it cool when she gets nominated for an important award, while Meredith tries to hide her jealousy, and Bailey seeks to save a young boy.

Cristina insists that she wants to attend the awards ceremony alone, Derek is overwhelmed, and April and Jackson quarrel over children and religion.

Big news hits when Richard learns the reason behind the awards committee selection, Alex decides to enter private practice, and April reveals a secret.

Cristina is thrilled when she receives a life-changing offer. Derek and his sister operate on conjoined twins, and Jo is having a hard time coping.

Meredith explores her feelings about her time in Seattle, Callie receives devastating news and word spreads that a resident will be fired.

The doctors bid an emotional farewell to Cristina Yang, a possible act of terrorism rocks Seattle and Meredith makes a life changing decision.

Derek makes a decision about moving to Washington, D.C., Callie and Arizona consider surrogacy, and a new doctor, Maggie Pierce, joins the team.

Though having trouble adjusting to her new workplace, Maggie solves a thorny case and reveals a deeply personal secret to Meredith.

Derek and Amelia tangle over a promotion, Arizona frets about having another baby, and Richard reveals to Maggie the truth of their relationship.

While sparring with Derek over his decision to stay in Seattle, Meredith struggles to come to terms with Maggie being her half-sister.

Hoping it will salvage their relationship, Arizona and Callie undertake a 30-day trial separation, during which Arizona puts her job in jeopardy.

Bailey gets a wake-up call about her own health, Richard tries to make amends to Maggie, and Arizona learns an unnerving secret about Dr. Herman.

When Amelia's drug-troubled past comes back to haunt her, Derek tries to turn it to his advantage. Meanwhile, Jo performs her first solo surgery.

Amelia believes she can save Dr. Herman's life, and Derek, facing renewed pressure to take the job in Washington, D.C., makes a big decision.

Jackson and April deal with devastating news about their unborn child, and Meredith and Derek try to keep their relationship alive.

Richard helps Amelia through a crisis of confidence about Dr. Herman's operation, and Jackson and April clash over whether to end her pregnancy.

April and Jackson confront a heartrending decision about their baby, and Amelia gets a chance to test out the procedure for Dr. Herman's surgery.

Meredith plans a trip to visit Derek but takes a secret detour. Callie starts dating again, and Dr. Herman discovers another side of Arizona.

Dr. Herman's condition deteriorates while Amelia struggles with insecurities about the operation, and Arizona performs her first solo fetal surgery.

While Arizona and Bailey clash over how to save a pregnant patient, Amelia begins the intricate and grueling operation to save Dr. Herman's life.

When an earthquake hits Seattle, the team talks a girl through a risky procedure on the phone. Meanwhile, Meredith suspects Derek of cheating on her.

A man with Alzheimer's accidentally destroys the life of a young couple, causing Richard and Maggie to ponder the disease's effect on their own lives.

Derek has returned to Seattle, but Meredith still harbors doubts about his fidelity. Meanwhile, Owen discovers a distressing secret about his mother.

A 15-year-old boy who killed two cops during a bank robbery needs an immediate liver transplant -- and one of the officers he killed is a match.

A wife and a jealous lover cut off a chef's penis -- twice. Meanwhile, Derek leaves for Washington, D.C., but never shows up for his meeting there.

A plane crashes in downtown Seattle, raising the specter of the past for members of the team. Meanwhile, Meredith frets about Derek's whereabouts.

After stopping to help victims of a car accident, Derek's car is hit by a truck, and he's rushed to the hospital with serious injuries.

Meredith and the staff feel the impact of losing one of their own; Jackson struggles with April's decision; Bailey and Ben argue about their future.

Months after Derek's funeral, Amelia struggles with her emotions; April plans to return; and Derek's part in Meredith's life continues to grow.

Things turn sour at the hospital when Richard calls off the wedding. Amelia berates Meredith for letting Derek die, and Maggie gets bad news.

Jackson gives April an ultimatum about their relationship, Meredith makes amends with Amelia, and Richard and Catherine tie the knot.

A secret bond between two injured girls puts their families at war. Bailey meets her rival for the chief position. Meredith navigates changes at home.

Bailey's first day in the new role doesn't go quite as she envisioned. Strange symptoms land April in an isolation unit.

When twins are born with a serious illness, Alex faces an impossible decision. Meredith discovers she's not making as much money as her peers.

During their first "silver flood," the interns get a lesson in delivering bad news to families. Edwards is troubled by a patient's treatment plan.

An unexpected guest throws a dinner party into turmoil and brings back painful memories for Meredith. Maggie feels the consequences of her fling.

Penny's first day gets off to a rocky start when she's assigned to Meredith's service. April pushes Jackson to help a boy with tumors on his hands.

A last-minute discovery jeopardizes a patient's long-awaited transplant. Meanwhile, another surprise new hire leaves Owen and Maggie seething.

As the hospital scrambles to help dozens of injured firefighters, new clues emerge to the tension between Hunt and Riggs.

While tending to victims from a multicar pileup, Meredith suffers a brutal attack that leaves her locked in her own world.

Meredith begins hospital-mandated therapy, a medically savvy teen patient gives Alex a run for his money, and Owen opens up to Amelia.

As April and Jackson reach a turning point, flashbacks trace the complicated evolution of their relationship.

A patient from Meredith's past returns and puts Amelia in a tricky position. Webber punishes Andrew for his relationship with Maggie.

Meredith and the "dream team" perform a risky experimental surgery at a military hospital. Andrew grows tired of sneaking around with Maggie.

Webber throws everyone for a loop by forcing the residents to change specialties for the day. Jo works up the nerve to confront Meredith.

Jackson grapples with April's big news. While helping out on a triple-organ transplant, Meredith gears up for her first date since losing Derek.

Romantic turmoil abounds as Meredith regrets an encounter with Thorpe, and Maggie and Amelia arrive at crossroads with their beaus.

As the residents compete for a big grant, April and Arizona clash over a young patient who's keeping a secret from her mother.

With the hospital on lockdown, Ben takes drastic measures to help a patient. But as Bailey deals with the fallout, she makes a troubling discovery.

While a committee weighs Ben's fate, he faces stinging repercussions at home. Arizona's advice to Callie brings unexpected results.

An accidental shooting involving two 8-year-old boys leaves everyone rattled. Callie and Arizona lock horns over their daughter's future.

Ben's new role rankles Bailey, a budding romance leaves Edwards in a frustrating position, and April gets worrisome news.

As Callie and Arizona take their battle to court, Alex and April tend to a pregnant teen who's back at the hospital with a troubling injury.

Callie takes her frustrations out on Penny, while Edwards faces an emotional encounter with Kyle. Amelia and Owen venture into new territory.

Emotions run high as the gang prepares for a wedding. A last-minute errand lands April and Ben in a harrowing situation.

A crisis at the hospital cuts the wedding festivities short, Richard steps in with advice for Jo, and Meredith feels the burden of secrets.

Bailey searches for a way to keep tabs on the doctors, Amelia and Owen host a dinner party, and April gets some bittersweet news.

Arizona returns from New York, Maggie tries to act normal around Riggs, and a bickering family comes to Grey Sloan after a funeral procession crash.

In an effort to impress the brass, Alex tries to put his best foot forward. Meanwhile, Jackson and April adjust to life with Harriet.

Owen is tasked with babysitting duty, Meredith and Bailey feud over a liver transplant, and a heat wave leads to short tempers.

Alex makes a new friend, Arizona is shocked to see a familiar face, and Catherine pushes for an update on Alex.

A consultant ruffles feathers at Grey Sloan, Amelia and Owen's bickering starts to impact their work, and April tries online dating.

The team comes together for a challenging surgery, but Meredith and Owen have differing opinions on how to save the patient.

With his trial looming down, Alex is forced to make a big decision. Meanwhile, a building collapse results in a massive influx of patients.

Arizona, Bailey and Jo battle their nerves while visiting a women's prison in order to treat a pregnant 16-year-old.

Meredith and Maggie search for information on Alex. Richard and the attendings do their best to give Eliza a hard time.

Alex explains what happened with the district attorney, Maggie's mother drops by for an unannounced visit, and Meredith comes to Richard's defense.

April struggles to adjust to her new leadership role and Bailey finds herself in the middle of a battle between Richard and Catherine.

Alex is back at Grey Sloan, but finds that things aren't quite as he remembered them. Jo faces a tough decision with a patient.

Meredith returns to work, Richard makes a demand, and the doctors worry that Eliza's popularity is growing.

Jackson and April fly to Montana to perform surgery, but it soon becomes apparent that Jackson might not be up to the task.

Her mom's back in town, but Maggie still doesn't know why. Meanwhile, Meredith tries to make sense of her feelings about Riggs.

Maggie's mom faces complications, putting Meredith on the defensive. Richard and Bailey make their peace about the Residency Program.

Maggie volunteers for a big operation, but Arizona isn't sure she's the right doctor for the job. Meredith prepares for a night out.

Meredith and Riggs end up sitting next to each other on a flight, where drama, arguments and unexpected turbulence ensue.

Meredith searches for a way to break some difficult news. A new patient with an unusual problem goes under the knife.

Richard worries that Ben may be playing it too safe. Meanwhile, Eliza and Alex have differing opinions about a patient's treatment.

Owen receives shocking news. Alex has ulterior motives for attending a medical conference. Meredith invites Riggs to meet the kids.

When a disaster strikes Grey Sloan, the doctors do their best to evacuate the hospital, while Stephanie tries to save a young life.

Grey Sloan copes with the explosion's aftermath. The surprise return of Owen's sister Megan brings joy and confusion and puts Meredith on the spot.

Meredith unveils a risky plan to give Megan an abdominal wall. With Bailey's blessing, Andrew's sister Carina conducts a controversial study.

Harper arrives in time for Grey Sloan's big reveal. Amelia's former mentor delivers the hard truth. A face from Meredith's past returns as a patient.

Amelia struggles with complications after surgery, and Meredith and Nathan conspire to help Megan. Maggie attends a tense family dinner.

The events leading to Megan's 2007 kidnapping are revealed. In the present day, Owen and Megan take a side trip down memory lane on the way to Malibu.

While the gents bond on Jackson's new boat, the ladies hold down Grey Sloan. The victims of an accidental -- and unusual -- shooting are treated.

After a roller coaster derails at a county fair, the doctors of Grey Sloan tend to the injured. Some stir up memories of people from the past.

When a hacker brings down the hospital's computer system, the doctors must keep their cool and get creative in order to treat their patients.

Jo faces her abusive ex, Paul Stadler, as the doctors continue to scramble, and Bailey and an enterprising intern investigate the hospital's hack.

April's faith is tested as she confronts an ex. Jo deals with an unexpected hit-and-run, and a shocking police shooting hits home with Bailey and Ben.

Fearing the worst, Bailey admits herself to a hospital, where she thinks back on her life and work -- and finds herself fighting for care.

Grey Sloan's innovation contest energizes the doctors. Catherine tries to enlist Jackson in a friend's project. A returning patient inspires Meredith.

The doctors are hard at work on their innovation projects, until they aren't -- and they must act when Ben and Andy bring in critically injured boys.

No one's having a ball when rowdy rugby players arrive in the ER, while Meredith must wrangle with an old friend, and game night goes off course.

Matters of the heart complicate things for the doctors. Meredith puzzles over Marie and her mother, and Tom helps April with her crisis of faith.

After hitting a roadblock, Jo helps Bailey with a trauma patient who's working on her own revolutionary idea. A new romance distracts the surgeons.

Everything changes in a single day as April is pushed to her limit. Sparks fly between Meredith and a transplant surgeon -- and Owen and Teddy.

Richard tries to change his sponsor's mind as Amelia, Tom and Andrew attempt a risky procedure. Meredith and Jo move to salvage their work.

An ICE agent arrives to look for a Dreamer, Sam, who wonders if she should run. Kimmie longs to escape the hospital, too, and Alex asks her to wait.

Cookies with an oddball ingredient shut down the contest. Catherine reveals the truth about Jackson's grandfather, and Owen gets a baby.

Crisis management arrives as the media descends. Ready to return her award, Meredith is pulled in to help treat a boy with a life-threatening tumor.

Before the next leg in life's journey, Alex and Jo seek out his mom. While forging into medicine's future, Meredith tries to heal wounds of the past.

A familiar face enters on a gurney. One of Grey Sloan's own is missing, and the team must pull them back from the brink. Nicole Herman reappears.

Jo and Alex's wedding day brings major drama, big news and unexpected twists, as April finds a calling, Bailey reevaluates it all, and Teddy returns.

A new position at Grey Sloan Memorial has candidates lining up. Meredith's vivid dreams distract her while Amelia and Owen work toward reconciliation.

Jo pursues a fellowship, cutting her honeymoon with Alex short. Meredith contemplates hiring a matchmaker. An interim chief of surgery gets appointed.

When a familiar face tackles his first day as interim chief, drama erupts in the OR. Maggie gets anxious about keeping Teddy's secret.

Meredith attracts attention when she goes on a date. The staff treats a group of burn victims. Alex tries to help a patient who's financially strapped.

Meredith has a heart-to-heart with Teddy while Owen and Amelia lean into co-parenting by spying on Betty. Bailey and Jo struggle to find a diagnosis.

Meredith treats a girl whose family is celebrating Día de los Muertos, stirring up memories of loved ones lost. Teddy attempts to tell Owen the truth.

Catherine calls Meredith and Tom for a confidential consultation. Nurse Frankie experiences intense pain caused by a wandering spleen while pregnant.

A windstorm causes an influx of trauma patients and a power outage at Grey Sloan, trapping doctors on elevators. Alex and Jo enjoy a second honeymoon.

With the hospital in disarray, doctors race to deliver a patient's organs. Amelia learns of Teddy's pregnancy. DeLuca's attraction to Meredith grows.

After impressing Meredith while treating a patient, Link volunteers to help out with her son's birthday party. Teddy searches for a job at Grey Sloan.

With the staff's support, Catherine undergoes a complicated surgery. Meredith reconnects with her sick father before his time runs out.

The doctors throw a makeshift wedding for a woman who wakes up from a coma and her fiancé. Meredith juggles feelings for Link and DeLuca.

After Amelia and Owen learn shocking news about Betty, they meet her real-life parents. Meredith asks Maggie for permission to date DeLuca.

While Meredith breaks a hospital record performing a lengthy surgery, multiple patients with suspected overdoses keep the staff busy.

The doctors celebrate Catherine's successful surgery -- but not everyone is in the mood to party. Helen pays Alex and Jo a visit.

Maggie reveals personal details about her life in an interview. Attempting to get custody of Leo, Owen and Amelia find it hard to get on the same page.

Vincenzo and DeLuca continue their "baby in a bag" research by testing it on lambs. Amelia runs into Link at an alternative pain relief conference.

Richard gets a lesson in gender identity when a nonbinary patient arrives. Teddy's pregnancy scare spurs Koracick to take a stand against Owen.

Jo is reminded of her past when she suspects a trauma patient has been raped. Ben has a powerful talk with Tuck about dating.

Catherine is tasked with a delicate surgery involving a soldier. DeLuca rises to the challenge when he and Richard tackle an appendectomy.

When Amelia and Link head to New York to perform a tricky surgery, an unexpected reunion with her sisters spirals into an awkward family dinner.

Owen unpacks his past when he starts therapy. Meredith contemplates telling her kids about DeLuca. A patient gets a stiletto lodged in her chest.

Schmitt finds Seattle's fire chief passed out at a flower shop. Meredith makes a risky call while dealing with an immigrant family seeking asylum.

Meredith helps Jo through her funk. Maggie and Jackson's camping trip goes awry. The medical team jumps through hoops to get Gus his "golden blood."

As fog falls over Seattle, Jackson mysteriously disappears, Owen and Koracick show their love for Teddy, and DeLuca covers for Meredith.

At the psychiatric facility, Jo offers Alex an easy out on the marriage. Meredith makes a confession that yields serious consequences.

Meredith's community service leads to unexpected good deeds. Amelia and Link take a step toward a future together. Koracick and Owen's feud heats up.

Jo gets an unusual assist from Meredith in her first surgery. Back from their fateful hiking trip, Jackson and Vic's connection deepens.

Meredith's healthcare exposé goes viral, putting Grey Sloan at risk. Koracick maneuvers a dubious deal. Bailey's symptoms are explained.

When Zola faces a health crisis, Meredith skips community service and receives a harsh punishment. A reunion for Richard takes a surprise turn.

A fateful encounter gives Meredith a wake-up call. Link's parents make a surprise announcement. Zola and Andrew have a heart-to-heart about Derek.

When her cousin is admitted with a tumor around her heart, Maggie pushes to perform the surgery. Amelia shares her big news with Owen.

Meredith's medical license review takes a turn when she recognizes a panelist from a past incident. Maggie struggles with guilt and grief.

Emotions run hot when Meredith meets the new head of pediatrics. Amelia and Bailey both receive major news before a bar night turns disastrous.

The team scrambles to save lives after a catastrophe hits close to home. Andrew rethinks his decision. Maggie deals with fallout from Sabine's surgery.

Amelia's confession forces Link to make a hard decision. Meredith learns more about Cormac's past.

Catherine and Richard's anniversary dinner serves up surprises — and heartbreak. Schmitt connects with a dying uncle and learns an unsettling truth.

Catherine's power move paves the way for Koracick's schemes. The paternity test looms over Amelia's love life. Jo worries about Alex's long absence.

Struggling with a patient's mysterious condition, Andrew displays unsettling symptoms of his own. Schmitt and Nico's romance hits a bump.

A blizzard creates mayhem as staffers struggle with challenging patients and personal drama. With a suspicion confirmed, Teddy makes a rash move.

Alex reveals a staggering life choice in emotional letters to Jo, Bailey, Meredith and Richard. Bailey and Ben open their hearts and home.

Teddy plays with fire in her love triangle with Owen and Koracick. Richard bares his heart to Bailey. With a nudge from Jo, Link makes a grand gesture.

Meredith's good deed does not go unpunished. Andrew's mental health sparks suspicion and concern. Jo and Schmitt have each other's backs.

During a conference in California, twists and turns force Richard, Hayes, Maggie and Teddy to confront hard memories and uncertain futures.

Worried for Richard, the doctors scramble for answers. Koracick relives his son's death during a difficult reunion with his ex-wife.

Andrew comes to Richard's aid before his own condition spirals out of control. Secrets and lies jeopardize Teddy and Owen's wedding.

Overwhelmed with the COVID-19 pandemic, the Grey Sloan staff must perform triage when Station 19 first responders bring in arson victims.

Bailey is brought into the middle of a feud between families of young fire victims. New parents Amelia and Link begin to adjust.

When COVID-19 hits close to home, the doctors begin to doubt themselves — and each other. Meredith sees a face from her past.

In limbo, Meredith receives guidance from another old friend. A patient’s treatment raises questions of racial bias.

Bailey prepares for a heartbreaking goodbye. Jo considers a big change, and Jackson and Richard process the pandemic’s toll on minorities.

Richard goes to extreme measures to accommodate the influx of COVID-19 patients. Meredith’s condition takes another turn.

Winston and Maggie’s romantic getaway does not go as planned. Teddy and Owen clash at the hospital and the team suffers a devastating loss.

Reeling from grief, both Teddy and Bailey spark concern with their behavior. Link crumbles from stress, and Hayes begs Meredith to fight.

Loss, regret and trauma bring Teddy to the edge, prompting Amelia to intervene and plead with a reluctant Owen for support.

A ventilator shortage at the hospital adds to the doctors’ desperation. Back at the “beach,” Meredith is visited by another unexpected guest.

Nervous before performing risky heart surgery, Maggie gets a helping hand from Hayes. Meredith leaves the beach.

A COVID-19 denier tests the doctors. Worried about Winston, Maggie is rattled when she sees patients injured at a Black Lives Matter protest.

Meredith — and her medical team — weigh their options. Link and Amelia clash over a remote patient’s care. Bailey complicates Jo’s plans.

At a crossroads, Jackson seeks guidance from his father, mother and another pivotal figure from his past and then makes a momentous decision.

Jackson shares his big news. Koracick and Levi fight to save a pregnant woman's grandfather as she goes into labor. Maggie watches over Meredith.

Still struggling to recover, Meredith returns to Grey Sloan and gets an intriguing offer from Bailey. Sparks fly again for Schmidt and Nico.

The doctors embrace new beginnings, as Maggie and Winston wed, Meredith steps into a new role and Jo makes a life-changing decision.