Grey’s Anatomy 10×07 Promo “Thriller”

Grey’s Anatomy 10×07 “Thriller” – It’s Halloween and the doctors of Grey Sloan Memorial are hit with a barrage of spooky patients, which affects their own plans and puts one doctor’s well-being in jeopardy. Meanwhile, Derek collaborates with Ben on a new surgical technique and Richard angers Bailey when he asks a second year resident to perform his next surgery, on a special Halloween episode. Jason George (“Mistresses”) Guest Stars.