PREVIEW: GREY'S ANATOMY ("Walking on a Dream")

Photo: ABC

GREY'S ANATOMY's ninth season continues on Thursday, January 24 at 9 p.m. ET/PT on ABC.

In "Walking on a Dream," the Seattle Grace doctors are on edge when a new medical professional enters the hospital and Arizona struggles with the emotional and physical pain of a phantom limb.

Elsewhere, while battling pregnancy hormones, an overly-emotional Meredith is confronted with her worst fear.

Watch a sneak peek below:





GREY'S ANATOMY stars Ellen Pompeo as Meredith Grey, Patrick Dempsey as Derek Shepherd, Sandra Oh as Cristina Yang, Justin Chambers as Alex Karev, Chandra Wilson as Miranda Bailey, James Pickens, Jr. as Richard Webber, Sara Ramirez as Callie Torres, Eric Dane as Mark Sloan, Kevin McKidd as Owen Hunt, Jessica Capshaw as Arizona Robbins, Jesse Williams as Jackson Avery and Sarah Drew as April Kepner.