Grey's Anatomy: Season 12

2015
24 episodes

The doctors find themselves simmering in a world of sexual politics. Bailey struggles with what it means to be a woman in charge of the hospital and her husband, while Maggie faces the challenges of dating a younger man and Amelia battles her own demons. Meanwhile, in the wake of a brutal attack, Meredith finds comfort and love in the most unexpected place, Callie and Arizona find themselves in a fight for their lives, and tensions run high when Amelia and Meredith come face to face with the doctor responsible for Derek's death.

Season 12 of Grey's Anatomy premiered on September 24, 2015 and has 24 episodes, from "Sledgehammer" to "Family Affair". The last episode aired on May 19, 2016.

Where to watch Grey's Anatomy

In the United States, you can stream Grey's Anatomy on Hulu, Netflix, fuboTV and YouTube TV. You can also buy it on Amazon Video, Apple TV Store, Google Play Movies and Fandango At Home. It is on streaming services in 61 countries.

Where to watch

Episodes

Episode 1SledgehammerAired September 24, 2015
The doctors from Grey Sloan Memorial Hospital spring into action to save the lives of two girls with a powerful story. Meanwhile, Meredith tries to cope with the fact that Amelia is now living with her and Jackson prepares for April's return back to Seattle.
- 43m
- Directed by Kevin McKidd
- Written by Stacy McKee
Guest stars
- Maz Jobrani Dakhir Hamed
- Nicole Cummins-Rubio Paramedic Nicole
- Debbie Allen Catherine Avery
- Joe Adler Isaac Cross
- Joe Dinicol Mitchell Spencer
- Joey Lauren Adams Tracy McConnell
- Eric Lange Steven Tanner
- Jenny Cooper Bethany Tanner
Episode 2Walking TallAired October 1, 2015
The pressure is on as a determined Bailey tackles her first day as Chief; meanwhile, April's marriage is in jeopardy and she finds herself unable to address her problems; Meredith struggles to juggle all her responsibilities and Amelia works to define her relationship with Owen.
- 43m
- Directed by Debbie Allen
- Written by Meg Marinis
Guest stars
- Lindsay Kay Hayward Jade Bell
- Joe Adler Isaac Cross
- Laura Harper Nurse
Episode 3I Choose YouAired October 8, 2015
Maggie reevaluates her life choices after receiving an invitation to her ex-boyfriend’s wedding; Richard questions Bailey’s loyalty, and Jo confides in Stephanie about a secret she’s been keeping from Alex. Meanwhile, Alex struggles with making a difficult decision that will affect the lives of newborn twins.
- 43m
- Directed by Rob Corn
- Written by William Harper
Guest stars
- Jennifer Marsala Laurie Kiefer
- Tyler Poelle Mason Kiefer
- Brooklyn-Eden Sadie
Episode 4Old-Time Rock-and-RollAired October 15, 2015
Owen suggests the interns learn a vital lesson on how to break bad news to patients’ families, and Arizona’s 90-year-old patient reassures her that she’s destined to find love again. Meanwhile, the sisters completely forget about the dinner party they’re hosting for everyone.
- 43m
- Directed by Nicole Cummins-Rubio
- Written by Austin Guzman
Guest stars
- Vivian Nixon Hannah Brody
- Samantha Sloyan Penelope Blake
- Joe Adler Isaac Cross
- Joe Dinicol Mitchell Spencer
- Ann Morgan Guilbert Gabby Margraff
- Lou Cutell Abe
- Dwayne L. Barnes Conner Squire
- Pia Shah Jessica Pahlavi
Episode 5Guess Who's Coming to Dinner?Aired October 22, 2015
In the midst of the sisters’ dinner party, Maggie ditches her cooking duties to rush to the hospital. Meanwhile, April steps in to help cook as an attempt to avoid Jackson, and Arizona nervously waits to find out more about Callie’s new girlfriend.
- 43m
- Directed by Debbie Allen
- Written by Meg Marinis
Guest stars
- Samantha Sloyan Penelope Blake
- Joe Adler Isaac Cross
- June Carryl Nurse
Episode 6The Me Nobody KnowsAired November 5, 2015
Grey Sloan Memorial not only welcomes a new transfer resident, but also a patient who's the topic of converstation after accidentally sending his sex tape to his entire congregation. Meanwhile, Richard wrestles with how to progress his relationship with Maggie when an old friend visits the hospital, and April brings in a case of a young boy from the Middle-East.
- 43m
- Directed by Jeannot Szwarc
- Written by William Harper
Guest stars
- Samantha Sloyan Penelope Blake
- Joe Adler Isaac Cross
- Gregg Daniel Paul James
- Derek Smith Robert Matthews
- Jolene Kay Astrid
- Elisha Henig Kamal
- Dana Hunt Angela
Episode 7Something Against YouAired November 12, 2015
The team of doctors work on a high stakes case of a long time patient, adding additional pressure to an already tense environment. Meanwhile, Bailey wants Ben to kick out their new roommate, and Arizona is eager to get back into the dating world with a new wingman.
- 43m
- Directed by Geary McLeod
- Written by Andy Reaser
Guest stars
- William Leon Garry Walton
- Samantha Sloyan Penelope Blake
- Joe Adler Isaac Cross
- Joe Dinicol Mitchell Spencer
- Weston Nathanson Simon Jaffee
- Tanya Clarke Elaine Walton
- Christine Kellogg-Darrin Loretta Brown
- Peter Cilella Joel
Episode 8Things We Lost in the FireAired November 19, 2015
Midseason Finale - As the rumor mill around the hospital continues to spiral out of control, Grey Sloan Memorial is flooded with injured firefighters from a nearby wildfire. Maggie struggles to keep things with Andrew professional at work; meanwhile, Jo questions Alex’s priorities.
- 43m
- Directed by Rob Corn
- Written by Tia Napolitano
Guest stars
- Nikki DeLoach Charlotte
- Debra Mooney Evelyn Hunt
- Drew Rausch John Finch
- Samantha Sloyan Penelope Blake
- Joe Adler Isaac Cross
- Casey Sander Casey
- Loanne Bishop Ruth
- Alisha Soper Alice
Episode 9The Sound of SilenceAired February 11, 2016
Meredith is brutally attacked by a patient, and Penny is the one who discovers her. The doctors of Grey Sloan Memorial rush to stabilize Meredith and remain by her side in the harrowing aftermath.
- 43m
- Directed by Denzel Washington
- Written by Stacy McKee
Guest stars
- Aniela Gumbs Zola Grey Shepherd
- Brody Goodstadt Derek Bailey Shepherd
- Samantha Sloyan Penelope Blake
- Joe Adler Isaac Cross
- Dohn Norwood Lou
- Gordon James Nurse Gregory
- Romel de Silva Screaming Patient
- Charlotte Catherine Barlow Female Patient
Episode 10All I Want Is YouAired February 18, 2016
Everybody attempts to deals with Meredith's trauma as Maggie and Callie perform a risky, experimental surgery on a teenager. Nathan and Owen continue to be at odds. Maggie and Andrew's relationship continues to progress.
- 43m
- Directed by Kevin Sullivan
- Written by Elisabeth R. Finch
Guest stars
- Samantha Sloyan Penelope Blake
- Joe Adler Isaac Cross
- Bill Smitrovich Therapist
- Lauren Miller Rogen Judi Roberts
- Samantha Isler Maya Roberts
- Philip Smithey Paramedic Ted
- Erik Audé Paramedic Jonathan
- Kevin D'Arcy Heart Patient
Episode 11Unbreak My HeartAired February 25, 2016
The evolution of April and Jackson’s relationship is revealed through a series of flashbacks dating back to when they first met. Simultaneously, we follow the years-long progress of one of Jackson’s patients.
- 43m
- Directed by Rob Corn
- Written by Elizabeth J.B. Klaviter
Guest stars
- Robert Baker Charles Percy
- Debbie Allen Catherine Avery
- Maya Stojan Tatiana Flauto
- Kathryn Smith-McGlynn April's Lawyer
- Stacey Danger Sales Clerk
- David Perez Babich Jackson's Lawyer
- Robin Karfo Attending
- Courtney Cook Minister
Episode 12My Next LifeAired March 3, 2016
A patient from Meredith's very first surgery as an Intern is readmitted to Grey Sloan Memorial with a new aneurysm, and Amelia takes her case. Meanwhile, Maggie suspects that Richard knows about her relationship with Andrew, and Arizona debates dating again.
- 43m
- Directed by Chandra Wilson
- Written by William Harper
Guest stars
- Skyler Shaye Katie Bryce
- Samantha Sloyan Penelope Blake
- Meredith Salenger Daphne
- Barrett Carnahan David
- Devere Rogers Lunch Server
- Kegn Matungulu Teenage Boy
Episode 13All Eyez on MeAired March 10, 2016
Meredith, Bailey, Jackson, Callie and Jo travel to a military hospital to perform an extraordinary and extremely risky surgery on a veteran with an advanced tumor. Meanwhile back at Grey Sloan, Andrew is tired of being Maggie’s worst kept secret; Ben makes an impulsive surgical decision; and a team of cheerleaders wreak havoc in the ER.
- 43m
- Directed by Charlotte Brändström
- Written by Austin Guzman
Guest stars
- Nicole Lynnae Sullivan Chelsea
- Juliette Angelo Danielle
- Samantha Sloyan Penelope Blake
- Joe Dinicol Mitchell Spencer
- Michael Shamus Wiles Joel Miller
- Sarah Jane Morris Emily Vaughn
- Scott Elrod William Thorpe
- Ashlee Füss Lisa Wilcox
Episode 14Odd Man OutAired March 17, 2016
There is plenty of turmoil after Richard messes with the staff pairings. Arizona takes a risk to help a woman who is pregnant with quadruplets.
- 43m
- Directed by Kevin McKidd
- Written by Meg Marinis
Guest stars
- Jay Ali Doug
- Lance Henriksen Griffin mccoll
- Maria Elena Maglaris Nurse
- Samantha Sloyan Penelope Blake
- Scott Elrod William Thorpe
- Casey Wilson Courtney Hall
- Jamie Rose Lena
- Rita Moreno Gayle McColl
Episode 15I Am Not Waiting AnymoreAired March 24, 2016
Jackson learns about April's pregnancy, while Alex and the team of doctors handle an hours-long triple-organ transplant surgery. Meredith considers dating again, and Andrew insists on not receiving special treatment after he and Maggie go public.
- 43m
- Directed by Nicole Cummins-Rubio
- Written by Mark Driscoll
Guest stars
- Payton Silver Dr. Knox
- Maria Elena Maglaris Nurse
- Samantha Sloyan Penelope Blake
- Joe Adler Isaac Cross
- Scott Elrod William Thorpe
- William R. Moses Steven
- Kate McNeil Tess's Mom
- Skyler Hart Michael Cook
Episode 16When It Hurts So BadAired March 31, 2016
Meredith takes a step forward with Will but quickly regrets it; Maggie senses a disconnection with Andrew; and Amelia reevaluates her relationship with Owen. Meanwhile, Catherine comes into town and really shakes things up with April and Jackson.
- 43m
- Directed by Eric Laneuville
- Written by Andy Reaser
Guest stars
- Vivian Nixon Hannah Brody
- Aniela Gumbs Zola Grey Shepherd
- Debbie Allen Catherine Avery
- Samantha Sloyan Penelope Blake
- Scott Elrod William Thorpe
- Irene Choi Ashley Hughes
- Michanne Quinney Tori
- Kathleen Bradley O.R. Nurse
Episode 17I Wear the FaceAired April 7, 2016
Meredith goes on an ambulance ride with Owen and Nathan to pick up a heart for a transplant patient. Musician & MS patient Kyle Diaz is admitted to Grey Sloan Memorial with a tremor in his hand, and the residents apply for the Preminger Grant. Meanwhile, Catherine continues to insert herself into Jackson and April’s business against Richard’s wishes.
- 43m
- Directed by Chandra Wilson
- Written by Karin Gist
Guest stars
- Debbie Allen Catherine Avery
- Samantha Sloyan Penelope Blake
- Wilmer Valderrama Kyle Diaz
- Rebecca McFarland Tara Parker
- Morgan Lily Jennifer Parker
- Tinpo Lee Gordon
- Thomas Anthony Jones Surgeon
- Chris Muto Nurse Michael
Episode 18There’s a Fine, Fine LineAired April 14, 2016
After a missing child forces the hospital into lockdown, Ben decides to operate on a pregnant mother without the proper surgical equipment. Miranda, as Chief, is faced with the repercussions of the event and whether or not Ben's impulsive actions were justified.
- 43m
- Directed by Jeannot Szwarc
- Written by Jen Klein
Guest stars
- Vivian Nixon Hannah Brody
- Samantha Sloyan Penelope Blake
- Joe Adler Isaac Cross
- Linara Washington Gretchen McKay
- P.J. Brown Phil Johnson
- Treisa Gary Beth
- Charles Maceo Paramedic
- Katie Harker Paramedic
Episode 19It’s Alright, Ma (I’m Only Bleeding)Aired April 14, 2016
Miranda continues to deal with the aftermath of Ben's reckless decision and forms an advisory committee to recommend proper disciplinary action against him. Meanwhile, April and Jackson try to put their differences aside for the sake of their baby, and Arizona makes a decision that could affect her relationship with Callie forever.
- 43m
- Directed by Chris Hayden
- Written by Austin Guzman
Guest stars
- Debbie Allen Catherine Avery
- Melanie Jean Nurse
- Samantha Sloyan Penelope Blake
- Eva Ariel Binder Sofia Torres
- Shaan Sharma Omar Singh
- Asia Monet Ray Jasmine
- Carl Lundstedt Reggie Dalton
- Rashmi Rustagi Mira Singh
Episode 20Trigger HappyAired April 21, 2016
The doctors work frantically to save a young boy who was accidentally shot. Meanwhile, Arizona is upset when Callie tries to make an important decision about Sofia’s future without consulting her
- 43m
- Directed by Zetna Fuentes
- Written by Zoanne Clack
Guest stars
- Nina Rausch Sheila Davis
- Brianne Tju Stacy
- David Fierro James
- Aniela Gumbs Zola Grey Shepherd
- Ryder Goodstadt Derek Bailey Shepherd
- Samantha Sloyan Penelope Blake
- Wilmer Valderrama Kyle Diaz
- Katie Harker Paramedic
Episode 21You're Gonna Need Someone on Your SideAired April 28, 2016
Stephanie’s relationship with Kyle becomes complicated. Meanwhile, Meredith encourages Amelia and Owen to take a chance and choose to be a real couple. Arizona and Callie are at odds and put their friends in the middle of an uncomfortable situation.
- 43m
- Directed by Debbie Allen
- Written by Lauren Barnett
Guest stars
- Aniela Gumbs Zola Grey Shepherd
- Samantha Sloyan Penelope Blake
- Wilmer Valderrama Kyle Diaz
- Charles Maceo Paramedic
- Robert Pine Vincent
- Charles Robinson Leo Polson
- Judyann Elder Angelica Polson
Episode 22Mama TriedAired May 5, 2016
Callie and Arizona are at odds over Sofia’s future, and Stephanie questions the status of her relationship with Kyle. Meanwhile, Alex and April work on a pregnant teen that is readmitted to Grey Sloan Memorial.
- 43m
- Directed by Kevin McKidd
- Written by Tia Napolitano
Guest stars
- Samantha Sloyan Penelope Blake
- Eva Ariel Binder Sofia Torres
- Wilmer Valderrama Kyle Diaz
- Rebecca McFarland Tara Parker
- Morgan Lily Jennifer Parker
- Anne-Marie Johnson Judge Madeline Kane
- Gwendoline Yeo Michelle Carpio
- Stephen Mendel Norman Russo
Episode 23At LastAired May 12, 2016
Owen and Amelia take their relationship to the next level; Alex gains some clarity on his future with Jo; and Callie and Arizona continue to struggle with the current custody arrangement.
- 43m
- Directed by Rob Corn
- Written by Stacy McKee
Guest stars
- Debbie Allen Catherine Avery
- Samantha Sloyan Penelope Blake
- Wilmer Valderrama Kyle Diaz
- Angelique Cabral Laura
- Rich Sommer Noah
- Sara Van Horn Nash's Grandmother
- Erica Muñoz Ally Diaz
- Alma Martinez Socorro Diaz
Episode 24Family AffairAired May 19, 2016
Meredith and Maggie support Amelia on an important day; Jo reveals that she has been keeping secrets from Alex while Arizona and Callie deal with the impact of their custody arrangement. Meanwhile, Ben leaps into action to help a friend.
- 43m
- Directed by Debbie Allen
- Written by William Harper
Guest stars
- Debra Mooney Evelyn Hunt
- Joe Adler Isaac Cross
- Eva Ariel Binder Sofia Torres
- Barbara Montgomery Louise
- Rico E. Anderson Donnie
- Courtney Comer Paramedic
- Kila Packett Paramedic
- Cosima Cabrera Paramedic