The third episode of the five-part show airs tonight at 9 p.m. on HBO and Max, and stream live on Max. Running back James Cook signed a four-year extension since the second episode aired and Buffalo is coming off a 38-0 loss to the Chicago Bears in their second preseason game.

Training Camp with the Buffalo Bills began with the highlight of the past week for the Bills, signing running back James Cook to a four-year extension. With Buffalo losing a blowout in their second preseason game of the year against the Bills,

The Buffalo Bills were back at it again on HBO's "Hard Knocks." It was the third episode of the NFL's offseason program for the team and there were many behind-the-scenes looks given to fans. Did you miss the bits from it? Maybe miss something?