: You can find the classic 1972 TV movie version of the story on Plex , though availability may vary by region. Versions of the Story

: A more recent feature film (later expanded into a TV series) starring Aleksandar Berček as the professor. Which specific version

The best way to watch the full movie or series legally is through official Balkan streaming platforms or the production company's direct channels. Official Viewing Options

Finding a high-quality "ceo film" (full movie) of Šešir profesora Koste Vujića (Professor Kosta Vujic's Hat) can be tricky because many unofficial YouTube uploads are frequently removed due to copyright.