Enter a world of change in the irresistible and unforgettable fourth season of one of television's most acclaimed dramas. Love, lies and family ties are revealed as the surgeons of Seattle Grace discover that their choices have major unintended consequences. And coupled with the arrival of some very eager new interns, life at the hospital sizzles with more emotion, excitement and heartbreak than ever before. Get an extra dose of Grey's Anatomy in this comprehensive 5-disc DVD box set, complete with never-before-seen extended episodes and exclusive bonus features that take you inside the world of your favorite doctors. From the very first minute, you'll be hooked on TV's most talked about ...