The show's premiere drew impressive ratings, 1.8 million total viewers and 1.3 with the 18-49 demographic, making it "cable's biggest audience of the night".
The series ended its seventh season on NBC last fall with less than impressive ratings.
Although the series never made impressive ratings, it did maintain a solid audience.
When the highly publicized series premiere debuted on November 25, 2011, it received an impressive rating of 3.4 million viewers.
The series was repeated during late night hours in the summer of 2005, and, to the shock of many analysts, drew impressive ratings.
Traditionally, reruns only serve as fillers in the late night hours and were never expected to draw impressive ratings.
But is there anything more to this than a hot trend that draws impressive ratings?
It was announced on 22 January 2011 that the show will not be returning for a fifth series, despite impressive ratings.
Despite an impressive 255-horsepower rating, the 3.0-liter V6 wants for torque, struggling to provide quick take-offs or satisfying throttle response at low speeds.
Although the series premiered with impressive ratings, viewership declined throughout its three-season run, and it was finally canceled by Fox in early 1999.