Amazon Prime Video: In many international markets (including the US and UK), the series is titled Black Sun. You can watch it with a standard Prime subscription or a 30-day free trial if you are a new user. That being said, here are some general tips

• Is it free? Partially. RTS Planeta offers a 7-day free trial for new users.
• The Hack: Sign up for the free trial, binge-watch all 10 episodes of Season 2 within a week, and cancel before you are charged (approximately 499 RSD or €4 per month).
• Geo-blocking: This service is primarily for the Balkan region. If you are in the US, Australia, or Western Europe, you will likely need a VPN (Virtual Private Network) set to Serbia.

You're looking for a review of "Senke nad Balkanom" Season 2, and I assume you'd like it to be interesting and perhaps even a bit unconventional. Is it free