Episode 1 | Undo

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

Episode 2 | Catastrophe and the Cure

Meredith thinks about her loyalties while Alex deals with the fallout of his actions; Amelia and Owen host a dinner party with surprising guests; Jackson makes a suggestion to help April through her recovery.

Episode 3 | I Ain't No Miracle Worker

A family argues at the hospital following a car crash at a funeral; Arizona is caught between Alex and Andrew; Ben has a new parenting role; Amelia helps Meredith and Maggie work through a problem.

Episode 4 | Falling Slowly

Alex realizes the clinic doesn't make him less of a doctor while Meredith struggles with professionalism with Riggs

Episode 5 | Both Sides Now

Meredith and Bailey both have liver transplant patients; Owen needs to look after Harriet.

Episode 6 | Roar

A familiar face returns to Grey Sloan throwing many of the doctors for a loop. With Catherine putting on the pressure, Bailey has to make a decision about Alex while a tough ER case makes Amelia's bad day even worse.

Episode 7 | Why Try to Change Me Now

The arrival of a new consultant puts the doctors on edge; Amelia and Owen bring their personal problems into the hospital; April explores some unfamiliar territory.

Episode 8 | The Room Where It Happens

A surgery brings back memories for Meredith, Richard, Owen and Stephanie.

Episode 9 | You Haven't Done Nothin'

Alex makes a decision about his future when it looks like he'll be going to jail. In the meantime, Richard wants to know why Eliza is at Seattle Grace as victims of a building collapse are brought in.

Episode 10 | You Can Look (But You'd Better Not Touch)

Bailey, Arizona and Jo treat a violent teenage girl and her unborn baby in a women's prison.

Episode 11 | Jukebox Hero

The attendings plot to make Eliza's first day at Grey Sloan difficult.

Episode 12 | None of Your Business

Maggie's mother unexpectedly visits; Bailey is forced to make a tough decision when an attending won't work with Eliza; Stephanie gets involved in Owen and Amelia's drama.

Episode 13 | It Only Gets Much Worse

The residents get caught up in a conflict between attending physicians; April has a rough first day in her new role at the hospital.

Episode 14 | Back Where You Belong

Alex learns a lot has changed at the hospital since he left; Jo has to make a tough decision on a case; Arizona tries to keep her distance from Eliza.

Episode 15 | Civil War

Richard, Jackson, April and Catherine tackle a grueling trauma case intensified by hospital politics; Amelia finally faces her feelings about Owen; Meredith gets caught between Nathan and Alex over a patient.

Episode 16 | Who Is He (And What Is He to You)?

Jackson and April go to Montana to perform a complicated surgery on a young patient.

Episode 17 | 'Till I Hear It from You

Diane Pierce returns to Grey Sloan while Owen and Amelia collaborate on a trauma case.

Episode 18 | Be Still, My Soul

When Maggie's mom's health deteriorates, the doctors are at odds over how to treat her. Meanwhile, Richard comes to grips with Bailey's betrayal over the Residency Program.

Episode 19 | What's Inside

When Maggie takes on a big case, many of the doctors are worried she's not the right one for the job; Stephanie makes the mistake of treating one of Grey Sloan's own.

Episode 20 | In the Air Tonight

Meredith and Nathan must face their feelings when they end up next to each other on a plane.

Episode 21 | Don't Stop Me Now

Bailey and April work to fix things between Richard and Catherine; Eliza continues to pursue Arizona; one of Alex's previous patients returns to Grey-Sloan.

Episode 22 | Leave It Inside

April and Andrew consult with a patient who has an inoperable heart tumor; Alex and Eliza disagree about the treatment of a young patient; Stephanie and Ben make major decisions.

Episode 23 | True Colors

The doctors of Grey Sloan encounter a difficult case involving a dangerous patient; Owen receives life-changing news that pushes Amelia to step up to support him; Alex attends a medical conference after making a shocking discovery.

Episode 24 | Ring of Fire

A dangerous patient escapes the hospital room, putting the doctor's lives at risk; Alex faces a difficult decision in his relationship with Jo; Meredith has big news for Nathan.