 All were later re-classified and screened in the 1980s when the decision on these issues was decentralised down to the ABC, which passed these items.Some broadcast delays being due to poor quality videotapes (sourced from countries with differing video format, such as the USA), or to episode availability in black and white only (having originally been filmed in colour).In many cases some of the cuts now seem utterly inconsequential, and it is hard to imagine why anyone was bothered, but they stand as a testament to changing community values over the decades.