'Grey's Anatomy' Winter Finale Sneak Peek

The winter finale of Grey's Anatomy airs November 20 on ABC.

The Grey's Anatomy winter finale airs Thursday, November 20 at 8 p.m. ET/PT on ABC.

In the episode, titled "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.

Watch a sneak peek video below:





Grey's Anatomy stars Ellen Pompeo as Meredith Grey, Patrick Dempsey as Derek Shepherd, Justin Chambers as Alex Karev, Chandra Wilson as Miranda Bailey, James Pickens, Jr. as Richard Webber, Sara Ramirez as Callie Torres, Kevin McKidd as Owen Hunt, Jessica Capshaw as Arizona Robbins, Jesse Williams as Jackson Avery, Sarah Drew as April Kepner, Caterina Scorsone as Amelia Shepherd, Camilla Luddington as Jo Wilson, and Jerrika Hinton as Stephanie Edwards.

Guest stars include Geena Davis and Kelly McCreary.

"Risk" was written by William Harper and directed by Rob Corn.