'Grey's Anatomy' Episode 8.8: 'Heart-Shaped Box'

“Heart-Shaped Box” will air on Thursday, November 3 at 9pm on ABC.

From the official episode description: “The doctors become nostalgic when George O’Malley’s mother, Louise, returns to Seattle Grace for medical help after a botched surgery at a neighboring hospital; the residents are inspired by a medical miracle when they witness a harvested heart that continues to beat outside the body; a new pediatric fellow excites Arizona and makes Alex feel threatened; Jackson lets his suspicions about Mark and Lexie interfere with his work; and Henry and Teddy have their first marital fight when he expresses interest in pursuing medical school.”