Grey's Anatomy is an American medical drama television series that premiered on March 27, 2005, on the American Broadcasting Company as a mid-season replacement. The fictional series focuses on the lives of surgical interns, residents, and attendings as they develop into seasoned doctors while balancing personal and professional relationships.Grey's Anatomy is the longest-running scripted primetime show currently airing on ABC, and the longest scripted primetime series carried by ABC. As of February 28, 2019, it was the longest running American primetime medical drama series.The series was most recently renewed for its seventeenth season. Its success catapulted longtime series regulars including Pompeo, Dempsey, and Oh to worldwide recognition; they were among the top five highest-earning television actors in 2013.While the show's ratings have fallen over the course of its run, it is still one of the highest-rated shows among the 18–49 demographic, and the #3 drama on all of broadcast television in the United States.The series was the highest revenue-earning show on television, in terms of advertising, in the 2007–08 season; in 2017, it was ranked tenth on the list. In its fifteenth season, Grey's Anatomy ranked as ABC's highest-rated drama.Grey's Anatomy has been well received by critics throughout much of its run, and has been included in various critics' year-end top 10 lists. Since its inception, the show has been described by the media outlets as a television "phenomenon" or a "juggernaut", owing to its longevity and dominant ratings. It is considered to have had a significant effect on popular culture and has received numerous awards, including the Golden Globe Award for Best Television Series – Drama and a total of thirty-eight Primetime Emmy Award nominations, including two for Outstanding Drama Series. The cast members have also received accolades for their individual performances.