Controversial films are movies that spark debate and disagreement among audiences and critics due to their themes, content, or portrayal of sensitive subjects. These films often challenge societal norms, address taboo topics, or present provocative viewpoints, leading to mixed reactions from viewers. Examples include A Clockwork Orange and The Last Temptation of Christ, which faced backlash for their depictions of violence and religion. The controversy surrounding these films can result in protests, censorship, or even bans in certain countries. Despite the backlash, controversial films can also stimulate important conversations about culture, morality, and freedom of expression, making them significant in the film industry.