Below is a photo gallery for tomorrow's all-new episode of Grey's Anatomy, entitled "Sympathy For the Devil." The primary focal point is Derek's mother, played by Tyne Daly, who meets Meredith for the first time. She also converses with Derek's old pal Mark.

Click to enlarge the pictures from the episode:

Steve Marsi is the Managing Editor of TV Fanatic. Follow him on Google+ or email him here.