 There are 3 alternate versions of the documentary. The first was shown on BBC  TV and included interviews with Mercedes McCambridge (qv),  Mark Kermode (qv) and former UK censor James Ferman (qv). The second was  slightly shorter, excluded all footage of McCambridge and Ferman, and  appeared on the US DVD and UK VHS Special Edition versions. The third runs  around 52 minutes, excludes some of the deleted footage (which is included as  isolated extras) and appears on the UK DVD issue.