Patrick Dempsey and Ellen Pompeo, <EM>Grey's Anatomy</EM> Patrick Dempsey and Ellen Pompeo, Grey's Anatomy

ABC has unveiled its May-sweeps slate, and, chronologically, it goes like this: Grey's Anatomy's sophomore run ends with a two-part, three-hour event airing May 14-15; Boston Legal bows out May 16; Invasion braves another storm on May 17; the Desperate Housewives get a two-hour send-off on May 21; Alias is put out of its misery with a two-hour series ender on May 22; and Lost will end the year with a repeat undoubtedly leave us asking new questions with its own two-hour finale on May 24.