COPS is an American documentary television series that follows police officers, constables, and sheriff's deputies during patrols and other police activities. It is one of the longest-running television programs in the United States and the second longest-running show on Fox and, along with America's Most Wanted, the first of the longest unchanged nightly schedule (Fox's Saturday night) currently on American broadcast television. Created by John Langley and Malcolm Barbour, it premiered on March 11, 1989, and has aired 750 episodes as of March 21, 2009. It won the American Television Award in 1993 and has earned four Emmy nominations. [1] COPS began its 22nd season on September 12, 2009. The series is currently one of only three remaining first-run primetime programs airing on Saturday nights on the four major U.S. broadcast television networks, along with America's Most Wanted, and CBS' 48 Hours Mystery.

Source: Wikipedia.org