ER is an American medical drama television series created by novelist Michael Crichton that aired on NBC from September 19, 1994 to April 2, 2009. ER follows the inner life of the emergency room (ER) of fictional County General Hospital in Chicago, Illinois, and various critical issues faced by the room's physicians and staff. The show ran for 15 seasons with a total of 331 episodes, becoming the longest-running primetime medical drama in American television history. It won 23 Emmy Awards, including the 1996 Outstanding Drama Series award, and received 124 Emmy nominations, which makes it the most nominated drama program in history. Typically set in the hospital, the show is credited for making its viewers aware of several important topics like the condition of Congo and Darfur, HIV and AIDS, organ transplants, racism, gay rights and human trafficking.