Hard Knocks is a reality sports documentary produced by the NFL and HBO. Each season the show follows ysgou.cc an NFL team during training camp in preparation for the upcoming season.Hard Knocks is an HBO documentary mini-series that takes a look inside the NFL training camp, with one team voluntarily chosen as the focal point every year. Of the 10 teams featured on the show thus far, none have won a Super Bowl and just 5 would go on to receive a playoff birth heading into the postseason.