Law & Order is an American police procedural and legal drama television series, created by Dick Wolf that airs on NBC. Law & Order premiered on September 13, 1990, and is currently in its twentieth season, which began airing on September 25, 2009. Law & Order is currently the longest running crime drama on American prime time television and is tied for longest running drama with Gunsmoke. It was renewed for a 21st season and will become the longest running American prime time television scripted drama. Set and filmed in New York City, the series follows a two part approach: in the first half hour, the investigation of a crime by two detectives is shown, followed by the prosecution of the offenders by the Manhattan District Attorney's office in the second half. Plots are often based on real cases that have recently made headlines. The show has been noted for its revolving cast over the years. It currently stars Jeremy Sisto as Detective Cyrus Lupo, Anthony Anderson as Detective Kevin Bernard, Linus Roache as Executive Assistant District Attorney Michael Cutter, and Alana de la Garza as Assistant District Attorney Connie Rubirosa. The success of the series has led to the creation of additional shows within the Law & Order franchise, a television movie, several video games, and international adaptations of the series. It has won and been nominated for numerous awards over the years, including a number of Emmys. (via Wikipedia)