You can stream it under the Polish title "Psychika mordercy" .
While playing the film, tap the "Audio and Subtitles" icon to select Polski . Alternative Platforms Crazy, Not Insane napisy polskie
The film is listed on Prime Video Poland , though availability can change based on current licensing. You can stream it under the Polish title "Psychika mordercy"
As of late 2020, Max officially provides both Polish subtitles and a Polish voice-over (lektor) for this title. Crazy, Not Insane napisy polskie
To watch the documentary (2020) with Polish subtitles ( napisy polskie ), the most reliable method is through a streaming service that officially supports the Polish market. Official Streaming with Polish Subtitles
The film is an HBO documentary and is primarily available on (formerly HBO Max).