8.0/101,191 votes#1 - Undo
Season 13 Episode 1 - Aired 9/22/2016
When one of Grey Sloan’s own lands in the hospital, Bailey tries to figure out what happened while the rest of the doctors jump in to help. Meredith juggles huge secrets that affect her relationships with Alex and Maggie. While Richard helps Jo with a big decision, April and Catherine clash over the new baby.
Director: Debbie Allen
Writer: William Harper
7.6/10936 votes#2 - Catastrophe and the Cure
Season 13 Episode 2 - Aired 9/29/2016
Meredith considers her loyalties, as Alex deals with the repercussions of his actions. Newlyweds Amelia and Owen host a dinner party with unlikely guests, and Jackson proposes an arrangement to help April through her recovery.
Director: Kevin McKidd
Writer: Karin Gist
8.0/10909 votes#3 - I Ain't No Miracle Worker
Season 13 Episode 3 - Aired 10/6/2016
A car crash at a funeral brings a bickering family into the hospital. Back from New York, Arizona ends up caught between Alex and Andrew. While Ben takes on a new parenting role, Amelia helps Meredith and Maggie through a problem.
Director: Rob Corn
Writer: Andy Reaser
7.6/10884 votes#4 - Falling Slowly
Season 13 Episode 4 - Aired 10/13/2016
Alex tries to do the right thing but still cant catch a break. Jackson and April adjust to their “new normal” with the baby. While Meredith and Nathan establish what’s going on between them, Amelia questions the state of her relationship with Owen.
Director: Victoria Mahoney
Writer: Jen Klein
7.7/10879 votes#5 - Both Sides Now
Season 13 Episode 5 - Aired 10/20/2016
Meredith and Bailey are at odds when both of their patients need a liver transplant, Owen seeks help from the other doctors when he is charged with babysitting baby Harriet for the day, and Amelia struggles with telling Owen some important news.
Director: Chandra Wilson
Writer: Mark Driscoll
8.1/10933 votes#6 - Roar
Season 13 Episode 6 - Aired 10/27/2016
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.
Director: Nicole Cummins-Rubio
Writer: Elizabeth J.B. Klaviter
7.5/10934 votes#7 - Why Try to Change Me Now
Season 13 Episode 7 - Aired 11/3/2016
The arrival of a new consultant puts all of the doctors on edge, especially once she starts stepping on toes in the OR. Amelia and Owen bring their personal problems into the hospital, while April explores some uncharted territory.
Director: Jeannot Szwarc
Writer: Austin Guzman
6.9/101,834 votes#8 - The Room Where It Happens
Season 13 Episode 8 - Aired 11/10/2016
A difficult surgery brings back pivotal memories for Meredith, Richard, Owen and Stephanie, as they work together to save a life.
Director: Debbie Allen
Writer: Meg Marinis
8.4/101,072 votes#9 - You Haven't Done Nothin'
Season 13 Episode 9 - Aired 11/17/2016
Believing he is going to jail tomorrow, Alex makes a big decision about his future. While the hospital is overrun with victims of a building collapse, Richard demands answers from Bailey about Eliza’s presence at Grey Sloan.
Director: Rob Corn
Writer: Karin Gist
7.6/101,412 votes#10 - You Can Look (But You'd Better Not Touch)
Season 13 Episode 10 - Aired 1/26/2017
Bailey, Arizona and Jo go to a maximum security women’s prison to treat a violent, 16-year-old pregnant girl and her unborn baby.
Director: Jann Turner
Writer: Tia Napolitano
7.4/101,030 votes#11 - Jukebox Hero
Season 13 Episode 11 - Aired 2/2/2017
Richard and the attendings set out to make Eliza’s first day at Grey Sloan a bumpy one. Meanwhile, Meredith tries to track down Alex.
Director: Kevin Rodney Sullivan
Writer: Zoanne Clack
7.5/101,003 votes#12 - None of Your Business
Season 13 Episode 12 - Aired 2/9/2017
Maggie gets a surprise visit from her mother at the hospital. Bailey has to make a difficult decision when one of the attendings refuses to work with Eliza, and Stephanie gets caught up in Owen and Amelia’s personal drama.
Director: Geary McLeod
Writer: Andy Reaser
7.9/10914 votes#13 - It Only Gets Much Worse
Season 13 Episode 13 - Aired 2/16/2017
The residents are excited for Eliza’s next phase of teaching, but they spend the day caught between the warring attendings. Meanwhile, April has a challenging first day in her new role at the hospital.
Director: Jeannot Szwarc
Writer: Lauren Barnett
7.5/10978 votes#14 - Back Where You Belong
Season 13 Episode 14 - Aired 2/23/2017
Alex returns to the hospital and discovers a lot has changed since he left. Meanwhile, Jo has to make a difficult decision on a case, and Arizona tries to distance herself from Eliza.
Director: Oliver Bokelberg
Writer: Jen Klein
7.0/101,000 votes#15 - Civil War
Season 13 Episode 15 - Aired 3/9/2017
Richard, Jackson, April and Catherine tackle a grueling trauma case intensified by hospital politics. Amelia finally faces her feelings about Owen, and Meredith gets caught between Nathan and Alex over a patient.
Director: Nicole Cummins-Rubio
Writer: Elizabeth J.B. Klaviter
7.3/101,306 votes#16 - Who Is He (And What Is He To You)?
Season 13 Episode 16 - Aired 3/16/2017
Jackson and April travel to Montana in order to perform a complicated surgery on a young patient, but Jackson’s mind is elsewhere, and April is forced to step up and get him back on track.
Director: Kevin McKidd
Writer: Elisabeth R. Finch
7.9/101,050 votes#17 - 'Til I Hear It from You
Season 13 Episode 17 - Aired 3/23/2017
Diane Pierce returns to Grey Sloan, but Maggie is still in the dark as to why she’s really there. Owen and Amelia hash out their problems as they work a trauma case together, and Bailey tries to mend her relationship with Richard.
Director: Kevin McKidd
Writer: Austin Guzman
8.3/101,215 votes#18 - Be Still, My Soul
Season 13 Episode 18 - Aired 3/30/2017
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.
Director: Ellen Pompeo
Writer: Meg Marinis
7.6/10907 votes#19 - What's Inside
Season 13 Episode 19 - Aired 4/6/2017
When Maggie takes on a big case, many of the doctors are worried she’s not the right one for the job while Stephanie makes a mistake treating one of Grey Sloan’s own.
Director: Nzingha Stewart
Writer: Tia Napolitano
7.9/101,486 votes#20 - In the Air Tonight
Season 13 Episode 20 - Aired 4/13/2017
Meredith and Nathan have to confront their feelings when they are are stuck sitting next to each other on a plane.
Director: Chandra Wilson
Writer: Stacy McKee
7.6/10911 votes#21 - Don't Stop Me Now
Season 13 Episode 21 - Aired 4/27/2017
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.
Director: Louis Venosta
Writer: Andy Reaser
7.6/10886 votes#22 - Leave It Inside
Season 13 Episode 22 - Aired 5/4/2017
April and Andrew consult with a fiery patient who has a giant, inoperable heart tumor. Meanwhile, Alex and Eliza are at odds over the treatment of a young patient, and Stephanie and Ben make decisions that could affect their careers.
Director: Zetna Fuentes
Writer: Elisabeth R. Finch
8.7/101,263 votes#23 - True Colors
Season 13 Episode 23 - Aired 5/11/2017
The doctors of Grey Sloan encounter a difficult case involving a dangerous patient. Meanwhile, Owen receives life-changing news that pushes Amelia to step up to support him, and Alex attends a medical conference after making a shocking discovery.
Director: Kevin McKidd
Writer: William Harper
8.6/101,408 votes#24 - Ring of Fire
Season 13 Episode 24 - Aired 5/18/2017
The doctors’ lives are at risk after a dangerous patient escapes the hospital room. Alex must make a hard choice in his relationship with Jo while Meredith has some big news for Nathan that brings things to a turning point.
Director: Debbie Allen
Writer: Stacy McKee
The Best Episodes of Grey's Anatomy Season 13
Every episode of Grey's Anatomy Season 13 ranked from best to worst. Discover the Best Episodes of Grey's Anatomy Season 13!
Follows the personal and professional lives of a group of doctors at Seattle’s Grey Sloan Memorial Hospital.
Genre:Drama
Network:ABC
Season 13 Ratings Summary
"Undo" is the best rated episode of "Grey's Anatomy" season 13. It scored 8/10 based on 1191 votes. Directed by Debbie Allen and written by William Harper, it aired on 9/22/2016. This episode is rated 0.4 points higher than the second-best, "Catastrophe and the Cure".