"It is a criminal offence in Thailand to make any derogatory or insulting comments about the King or other members of the Royal family. Any person making such comments is liable to arrest and prosecution."So, under threat of prosecution and imprisonment, the film was incredibly difficult to produce. In fact, the journalists involved operated "without any involvement of the ABC Bureau in Bangkok or the full knowledge of any Thai national" as it might risk compromising both the story and/or the future of ABC's presence in Thailand.
The video could not be posted to ABC's website, so it was leaked to Wikileaks.
Here is the link: ABC Foreign Correspondent video report on Thailand