The Best Episodes of Grey's Anatomy Season 21

After firing some of Grey Sloan's best, Catherine continues to interfere with Meredith and Amelia's research. Accidents at a climate change protest bring unique cases to the hospital, and Bailey encounters a blast from the past.

Director: Debbie Allen

Writer: Meg Marinis

Meredith and Catherine continue to disagree, and Meredith confides in Bailey for support. Richard, Winston and Lucas spend the day outside of the hospital, and Blue deals with a relationship from his past. Levi meets the new hospital chaplain.

Director: Kevin McKidd

Writer: Michelle Lirtzman

Simone and Lucas work to balance their relationship while competing to assist on an awake kidney transplant. Teddy offers Amelia a new opportunity, and Ben's interview doesn't go as planned. Meredith's secret causes tension with Richard.

Director: Victoria Mahoney

Writer: Mark Driscoll

Mika struggles with a life-altering personal matter. Meanwhile, Bailey and Ben navigate their personal and professional roles, while Levi finds a connection in an unlikely place. Jo and Link get surprising news.

Director: Debbie Allen

Writer: Briana Belser

During a high-stress day at Grey Sloan Memorial, the fates of a patient in critical condition and a helicopter-bound medical team hang in the balance. Teddy and Owen work on their marriage, while Bailey, Blue and Link treat a hospital employee.

Director: Vanessa Parise

Writer: Zoanne Clack

Teddy and Owen plan a date night that gets derailed in more ways than one, while Jo struggles to do it all at home. Mika adds more to her plate to make up for taking time off to be with her sister, and Levi is faced with a monumental decision.

Director: Bille Woodruff

Writer: Jase Miles-Perez

The doctors at Grey Sloan must put aside their emotions under intense circumstances. Levi asks James a shocking question that could impact their future.

Director: Allison Liddi-Brown

Writer: Tameson Duffy

In the midst of a deadly heat wave, the team at Grey Sloan struggles to keep up with an overwhelming amount of patients. Amelia and Winston face a challenging surgery, while Jo and Lucas run an errand for the hospital that takes an unexpected turn.

Director: Kevin McKidd

Writer: Jess Righthand

The aftermath of the convenience store shooting brings chaos to Grey Sloan. Ben hits a wall with his new emergency preparedness plan. Romantic tensions surface for Owen, while Amelia and Winston disagree over the surgical plan for a young patient.

Director: Linda Klein

Writer: Jamie Denbo

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Director: Jesse Williams

Writer: Julie Wong

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Director: Kim Raver

Writer: Carol Brown

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Director: Morenike Joela Evans

Writer: Sandra Hamada