Starts tomorrow When does 'Hard Knocks' with the Houston Texans premiere? The latest season of the HBO training camp miniseries debuts Tuesday, August 11 at 10 p.m. ET. What is the episode schedule for 'Hard Knocks' at Texans training camp? "Hard Knocks" runs a five-episode season and the schedule is as follows below. Each episode replays Wednesday at 11 p.m. See HBO.com's schedule for re-air information. All times Eastern. Episode 1, August 11, 10 p.m. Episode 2, August 18, 10 p.m. Episode 3, August 25, 10 p.m. Episode 4, Sept. 1, 10 p.m. Episode 5, Sept. 8, 10 p.m.