If you're interested in watching classic Sri Lankan films, here are some possible sources:

This article delves into the multifaceted world of "blue films" in Sri Lanka. It will explore the strict legal framework that criminalizes virtually all forms of pornography, examine notable cases of local production and online distribution, analyze the distinct line between "adult drama" in mainstream Sinhala cinema and illicit content, and assess the societal impacts ranging from individual moral panics to widespread economic exploitation.

These films are considered the pinnacle of Sri Lankan cinematic history, often winning international acclaim: Nidhanaya

The impact of Sri Lanka blue films on society and culture is multifaceted and complex. While some argue that these films contribute to the objectification of women and perpetuate negative attitudes towards sex and relationships, others see them as a reflection of the country's changing values and social norms.