Belichick documentary sets NFLN record

The NFL Films-produced documentary "Bill Belichick: A Football Life" was viewed by an average of 657,000 fans in its debut Thursday night on NFL Network. That ranks as the most watched documentary in the eight-year history of NFL Network, the league announced today.

In addition, 252,000 average viewers tuned in to the 10 p.m. ET encore of the show.

Locally, the show was the second-most watched program in the time period in Boston with 151,000 average viewers, trailing on the Boston Red Sox/Tampa Bay Rays game.

Last night’s show was the first of two parts of the Belichick documentary. Part II of A Football Life: Bill Belichick debuts on NFL Network on Thursday, Sept. 22 at 10 p.m. ET.