CBS is the only one of the four broadcast networks to set up the beginning of their fall season in one week - four new shows and 11 returning shows in an eight-day period.

Sheriff Country,' spun off from 'Fire Country,' and 'Boston Blue,' a spinoff of the popular series 'Blue Bloods,' are built closely along the lines of their respective motherships.

While police procedurals are some of the longest-running and most beloved shows on TV, their history didn't start with Law & Order like some may think, with 20th-century cop dramas only getting better ...