Grey's Anatomy is airing a special episode centering around the twisted sisters, Meredith and Cristina. On the fifth episode titled "Beautiful Doom", TV Line has confirmed that Patrick Dempsey's character as Derek Shepherd will also make an appearance on this episode. However, the details are still being kept under wraps at the moment.
Check back later for updates. Meantime, what do you think Derek's role on this episode? Hit the comments for your predictions.
Don't miss the ninth season of 'Grey's Anatomy' -- airs every Thursday on ABC.