HBO TBA Hard Knocks Season 12 UK Release DateThe tv series season Hard Knocks Season 12 upcoming HBO release date in the UK is to be announced. Notify me!Release Dates!Report Date / Submit ProductUKAllUSAUKReport Date / Submit ProductHBOTBAConfirmedTrackingTrack1112TRACK11Pre-OrderHard Knocks Season 12TV Series SeasonHBOHard Knocks is a reality sports documentary television series produced by NFL Films and HBO.DocumentaryRealitySportMarty CallnerLiev SchreiberJerry JonesEmmitt Smith