Life changes. Job changes. Love changes. Everything changes in Season 4 of this Emmy-nominated drama. America's favourite interns return as residents with many exciting, and sometimes frustrating, possibilities for their future. From the intense atmosphere of the operating room to the romance of everyday life, watch these smart, sexy, strong-willed residents try to find solutions to their problems. Featuring a passionate cast and some of the smartest dialogue on TV, Grey's Anatomy examines life thoroughly with great spirit and a whole lot of heart.