In North America, Some of the episodes of this soap drama cult classic series were released on Region 1 DVD by A&E Home Entertainment, under licence from FremantleMedia International through the Reg Grundy Organisation from 2004-2007. "Prisoner" is rated  M  (recommended for mature audiences) for moderate themes, violence, moderate violence, infrequent moderate violence, drug references, moderate drug references, moderate drug use, moderate drug themes and coarse language. In late 2016, Australian distribution company ViaVision commenced releasing the series in their complete season formats on DVD and is under its original title of "Prisoner" as opposed to the Region 4 volume sets which contained the international title "Prisoner: Cell Block H". In the United Kingdom, "Prisoner: Cell Block H" was released via Fremantle Home Entertainment, beginning late 2008. The complete series was released through 20 volumes containing 32 episodes per set for the first sixteen volumes; Volume 17 contains 40 episodes, Volume 18 and Volume 19 both contain 48 episodes and the final volume contains 44 episodes. The reason for the increased number of episodes on later sets was due to the fact that Fremantle wanted to keep exactly double the number of episodes as the original Australian sets. The first 33 Australian releases contain 16 episodes per set; sets 34 to 39 containing 24 episodes per set and Volume 40 containing 20 episodes. Therefore, Fremantle in the UK doubled-up on episodes so that they could finish releasing by Volume 20. In Australia, distribution company Shock Records began releasing the UK volumes in 2011, as their original volumes are now out of print. The final volume was released in early 2014.