Episode 1 - I Must Have Lost It on the Wind

With Cristina gone, a new doctor, Maggie Pierce, making the rounds and Derek wanting to move to Washington DC, Meredith struggles to regain a sense of normalcy both at home and in the hospital. Meanwhile, Callie and Arizona come to a decision about surrogacy, Amelia overhears a big secret, Bailey realizes she will have to fight Alex for Cristina’s board seat and a freak accident causes two teenagers to be caught in a very compromising position.

Episode 2 - Puzzle with a Piece Missing

Maggie tries to make a good impression but finds herself in unfortunate situations; Richard keeps hiding his secret.

Episode 3 - Got to Be Real

Owen tries to get Callie to help Veterans Hospital patients with the robotic limb lab. Alex and Meredith's friendship makes Jo jealous. Alex and Bailey prepare to go in front of the board.

Episode 4 - Only Mama Knows

Secrets from Ellis Grey’s past come to light when Meredith watches old videos and reads through her mother’s journals. Meanwhile, Maggie rocks the hospital with an unexpected announcement; Alex gets new responsibilities and Callie focuses her attention on the Veterans’ project.

Episode 5 - Bend and Break

Callie and Arizona examine their marital problems and what's contributed to them. Meanwhile, Callie devotes herself to the veterans' project, Arizona strives to impress Dr. Herman, and Richard seeks guidance from Bailey.

Episode 6 - Don't Let's Start

Owen becomes invested in a patient when he realizes she may have served in the military, April’s mother pays her daughter a visit and bonds with Jackson, and Derek plans a family dinner. Meanwhile, a patient’s diagnosis causes Bailey to reconsider her own health issues and Dr. Herman drops a bombshell on Arizona

Episode 7 - Could We Start Again, Please?

Information about Amelia's past emerges and causes problems for her at the hospital.

Episode 8 - Risk

Maggie and Meredith disagree with Derek about the best way to approach a patient’s case, which leads to a bigger argument between the couple. Meanwhile Callie feels responsible when one of her veterans is pushed too far and one doctor’s routine procedure results in a devastating diagnosis.

Episode 9 - Where Do We Go from Here?

As Derek prepares for his move to DC, Meredith keeps herself busy at the hospital. Meanwhile, Jackson and April deal with difficult news, and Arizona and Amelia discuss how to best approach Dr. Herman.

Episode 10 - The Bed's Too Big Without You

April stays optimistic as Arizona begins testing on her baby; Dr. Herman plans out a crash course in fetal surgery; and Owen and Callie encourage each other to get back into the dating scene. Meanwhile, Meredith, Maggie and Bailey use the 3D printer to gain a better understanding of their patient's tumor.

Episode 11 - All I Could Do Was Cry

After several discussions with Dr. Herman, April and Jackson must face their situation head on and make a difficult decision regarding their unborn child. Catherine arrives in Seattle and bumps into Richard at the hospital. Meanwhile, Meredith tries to find someone to take care of the kids so she can visit Derek for the weekend, and Amelia shows Stephanie some tough love when they work together on a case

Episode 12 - The Great Pretender

Maggie gets upset when Meredith dodges her questions about DC; Bailey and Ben become concerned about Ben’s brother after he is admitted to the hospital, and Dr. Herman starts to warm up to Arizona. Meanwhile, Richard feels manipulated by Catherine.

Episode 13 - Staring at the End

The hospital doctors become fascinated with Dr. Herman’s case when Amelia gives a lecture detailing the intricacies of the surgery. Arizona and Herman continue to bond over the amount of cases they are trying to complete before the big surgery. Meanwhile, Bailey brings them a case of a pregnant woman who is close to her heart.

Episode 14 - The Distance

In this Amelia-centric episode, Amelia engages in the surgery of a lifetime as a crowd of doctors look on from the gallery. With Stephanie by her side, she begins operating on Dr. Herman, but quickly realizes it's far more difficult than she anticipated. Meanwhile, Bailey becomes skeptical when Arizona takes on one of Herman’s cases.

Episode 15 - I Feel the Earth Move

An earthquake shakes the ground at Grey Sloan Memorial Hospital, trapping Maggie in an elevator and threatening Meredith’s long streak of successful surgeries. Meanwhile, Owen gives medical advice to a child over the phone and Ben confides in Jackson.

Episode 16 - Don't Dream It's Over

A patient's condition sparks a conversation between Richard and Maggie about Alzheimer's disease; April and Jackson struggle to return to their normal lives and Arizona is faced with the reality that Callie is moving on. Meanwhile, Meredith reveals her biggest fears about Derek.

Episode 17 - With or Without You

Meredith, rattled by the latest events, tries to figure out what to do about Derek. Meanwhile, Owen is shocked when his mother is admitted to the hospital.

Episode 18 - When I Grow Up

A school field trip to the hospital takes a dramatic turn when the kids witness two injured cops enter the emergency room. Meanwhile, Stephanie sets her eyes on one of the chaperons, Callie operates on the leg of the police captain and Amelia must face her feelings for Owen.

Episode 19 - Crazy Love

Upon realizing that Owen and Amelia have been seeing each other behind her back, Meredith comes down hard on her sister-in-law causing Amelia to rethink things. Meanwhile, Catherine springs into action when a man is brought into the hospital after his wife seeks revenge on his cheating ways.

Episode 20 - One Flight Down

A small plane crash in Seattle causes multiple casualties and brings back horrible memories for the doctors, especially Meredith and Arizona. Meanwhile, friction between Owen and Amelia makes for an uncomfortable working situation for Stephanie.

Episode 21 - How to Save a Life

Derek witnesses a horrible car accident and springs into action to save lives.

Episode 22 - She's Leaving Home

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.

Episode 23 - Time Stops

The doctors of Grey Sloan Memorial Hospital are forced to put their emotions aside when a catastrophic event occurs.

Episode 24 - You're My Home

As the doctors continue to tackle an unfathomable crisis, they are reminded of what is important and are brought closer together.

Episode 25 - Episode 25