The first episode of Law & Order airs on NBC, introducing viewers to the unique format blending police procedural and legal drama.
Law & Order surpasses 'Gunsmoke' as the longest-running primetime drama series on American television.
The first spin-off of Law & Order focusing on sexually based offenses premieres, expanding the franchise.
The original Law & Order series concludes its run after 20 seasons and 456 episodes.
The Law & Order series officially returns to NBC with new episodes after over a decade off the air.