In anticipation of HBO's "Hard Knocks" with the Buffalo Bills, here's a look at the most memorable moments from the sports reality documentary series.

Hard Knocks captured Dion Dawkins making this young fan's day by helping him meet Buffalo Bills quarterback Josh Allen.

HBO's Hard Knocks focuses on a different NFL team each season. Franchises like the Jets, Browns, and a few others stood out as the most entertaining.

The new season of "Hard Knocks" premieres Tuesday, Aug. 8 at 10 p.m. ET, according to HBO's website. Subsequent episodes will air Tuesdays at 10 p.m. ET until the season finale on Sept. 5 ...

Buffalo Bills running back James Cook is known not to smile. It's a running gag across Bills Mafia circles, but he had plenty ...

The Bears defense, including Andrew Billings and Austin Booker, had great exposure on HBO's Hard Knocks this week and now look to impress Patrick Mahomes.

The 8.3 IMDb Emmy-winning sports reality show, Hard Knocks, is back and dominating HBO Max charts at #1 in the U.S.