The name of this Tvshow is Grey's Anatomy Season 4 released in 2007 and it's main theme is Enter a world of change in the irresistible and unforgettable fourth season of Grey's Anatomy. 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.