Grey’s Anatomy is an American medical drama television series created by Shonda Rhimes. The series premiered as a mid-season replacement on March 27, 2005 on ABC; since then, six seasons have aired, with the seventh currently airing. The series follows the lives of interns, residents and their mentors in the fictional Seattle Grace Hospital in Seattle, Washington, as they struggle to complete their medical training and maintain personal lives. Despite being set in Seattle, the show is primarily filmed in Los Angeles.
A spin-off show, titled Private Practice revolving around character Addison Montgomery (Kate Walsh) began airing on September 27, 2007, and is currently in its fourth season.  As of now, four soundtrack discs have been released, as well as a video game based on the show.  So far, all seasons to date have been released on DVD, with seasons four, five, and six available on Blu-Ray. On May 17, 2010 a Colombian version of the show, titled A Corazon Abierto began airing on RCN TV in Colombia and on Telemundo in the United States. 3] 2 webisodes series have also been made, “Seattle Grace: On Call” (Nov 2009-Jan 2010) and “Seattle Grace: Message of Hope” (Oct-Nov 2010), each with 6 parts. The show has attained commercial success and critical acclaim.Initially airing as a midseason replacement for the legal drama Boston Legal, it gained high viewership, with the first episode watched by 16. 25 million viewers, and the first season finale attracting 22.
22 million viewers. 5] The second and third season received even higher ratings, with average viewership of around 19 million,.  The series, especially during the second and third season, has received a number of awards, among which are the Golden Globe Award for Best Television Series – Drama in 2006, two Emmy nominations for Outstanding Drama Series in 2006 and 2007, and numerous other awards and nominations for acting, writing and directing. So far, the show has received three Emmy awards.