《三级片：香港剥削电影不为人知的故事》是由卡鲁姆·瓦德尔执导，陈翊恒,甘国亮,何志强,何超仪,龙比意,黄秋生,卡鲁姆·瓦德尔主演的伦理片。该于2018年在英国上映。Category III: The Untold Story of Hong Kong Exploitation CinemaUntil the end of the nineties, the Hong Kong cinema that explored the limits of sex and violence without shame was labeled "category III". Calum Waddell's new documentary, an exhaustive investigator of the mysteries of genre film, is immersed, through interviews and archival images, in one of the most wild and exciting popular film cycles.