Season 0 of Hard Knocks premiered on July 28, 2010.

Season 1 of Hard Knocks premiered on August 1, 2001.

Season 2 of Hard Knocks premiered on August 7, 2002.

Season 3 of Hard Knocks premiered on August 8, 2007.

Season 4 of Hard Knocks premiered on August 6, 2008.

Season 5 of Hard Knocks premiered on August 12, 2009.

Season 6 of Hard Knocks premiered on August 11, 2010.

Season 7 of Hard Knocks premiered on August 7, 2012.

Season 8 of Hard Knocks premiered on August 6, 2013.

Season 9 of Hard Knocks premiered on August 5, 2014.

Season 10 of Hard Knocks premiered on August 11, 2015.

The cinema verité series focuses on the daily lives and routines of players and coaches as the Houston Texans, who play in the hard-nosed AFC South, conduct the franchise's 14th training camp and prepare for the 2015 NFL season. “Hard Knocks: Training Camp with the Houston Texans” chronicles second-year head coach Bill O'Brien and an intriguing mix of high-profile veterans, emerging stars, free agents and rookie hopefuls throughout training camp and the four-game preseason schedule. Each week, players experience drills, instruction, meetings and fun, while striving to prove they have what it takes to make the team and leave their mark on the NFL. The Texans are a team on the rise, with O'Brien improving the team's record from 2-14 to 9-7 in his first season at the helm.

Season 11 of Hard Knocks premiered on August 9, 2016.

Season 12 of Hard Knocks premiered on August 8, 2017.

In season twelve, the focus is on the Tampa Bay Buccaneers, a team on the rise that many expect to contend for the NFC South crown. Coached by Dirk Koetter, who guided the team to a 9-7 season last year, the Bucs are led by second-year QB Jameis Winston. In training camp, Winston will join team veterans, rookies and free agents as they try to prove they have what it takes to make the team and leave their mark on the NFL.

Season 13 of Hard Knocks premiered on August 7, 2018.

Season 14 of Hard Knocks premiered on August 6, 2019.

Everybody wants to be a Raider--now see what it takes to become one. Under second-year head coach Jon Gruden, the team has an intriguing mix of established veterans, highly regarded rookie hopefuls and free-agent acquisitions.

Season 15 of Hard Knocks premiered on August 11, 2020.

The fifteenth season of this sports reality series chronicles the preseason of two Los Angeles-based NFL franchises. The season follows head coaches Anthony Lynn of the Los Angeles Chargers and Sean McVay of the Los Angeles Rams leading a mix of established veterans, free-agent acquisitions and rising stars on both sides of the ball.

Season 16 of Hard Knocks premiered on August 10, 2021.

HBO Sports and NFL Films are partnering with “America’s Team,” the Dallas Cowboys, for an unfiltered all-access look at what it takes to make it in the National Football League. This season chronicles training camp with the five-time Super Bowl champion NFC East franchise.

Season 17 of Hard Knocks premiered on August 9, 2022.

Training Camp with the Detroit Lions chronicles head coach Dan Campbell as he enters his second season leading the team and an intriguing mix of young emerging stars, established veterans, free agent additions and highly-regarded rookie hopefuls throughout training camp and the preseason.

Season 18 of Hard Knocks premiered on August 8, 2023.

Embedded camera crews at the Jets’ training camp in Florham Park, N.J. chronicles third-year head coach Robert Saleh preparing his team of young emerging stars and prominent veterans – most notably, four-time NFL MVP, Aaron Rodgers, Offensive and Defensive Rookies of the Year Garrett Wilson and Sauce Gardner, and defensive All-Pros C.J. Mosley and Quinnen Williams — for the upcoming NFL season.