Grey’s Anatomy 12×09 Sneak Peek #2 “The Sound of Silence”

Grey’s Anatomy 12×09 “The Sound of Silence” – 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, on the midseason return of “Grey’s Anatomy,” Thursday, February 11th on ABC.