Following Thursday evening's fall finale of Grey's Anatomy, ABC released a brief promo that reveals the winter premiere date... the last episode Ellen Pompeo will be a series regular.It was reported in August by Deadline that Pompeo, 53, would only appear in eight episodes of the 19th season, after she took a role on Hulu's Orphan limited series. The preview reveals Pompeo's Meredith Grey is leaving Seattle in the winter premiere, airing Thursday, February 23.