Grey's Anatomy is a series on TV.
Grey 's Anatomy is an American medical drama television series that premiered on American Broadcasting Company ( ABC ) as a mid-season replacement on March 27 , 2005 . Grey 's Anatomy , even in its thirteenth season , is ABC 's highest-rated drama ; although its ratings have fallen over the course of its run ( it was once among the overall top 10 shows in the United States ) , it is still one of the highest rated shows among the 18 -- 49 demographic , and the No. 3 drama on all of broadcast television . It is the longest running scripted primetime show currently airing on ABC , and the second-longest scripted primetime ABC show ever . This is a list of the longest-running scripted prime time television series in the United States . The Primetime Emmy Award is an American award bestowed by the Academy of Television Arts & Sciences ( ATAS ) in recognition of excellence in American primetime television programming .