How big is the production of 'Heweliusz'?

The production of 'Heweliusz' is estimated to be one of the biggest Polish TV productions ever, with a cast of 120 actors, 3,000 extras, and a crew of around 140 people, filmed across 70 locations over 9 months.

Why is Netflix launching 'Heweliusz' now?

Netflix is launching the 'Heweliusz' mini-series in November 2025 to coincide with the streaming platform's 10th anniversary in Poland, as part of its efforts to showcase its biggest production from the Central and Eastern Europe region.

Home / Arts and Entertainment / Netflix Unveils Biggest Polish Production: Disaster Mini-Series 'Heweliusz'

Netflix Unveils Biggest Polish Production: Disaster Mini-Series 'Heweliusz'

Q: What is the 'Heweliusz' mini-series about?

The 'Heweliusz' mini-series is based on the 1993 sinking of a Polish passenger ferry in the Baltic Sea, which resulted in the deaths of 55 people and is considered the deadliest peacetime maritime disaster involving a Polish ship.

5 Nov, 2025

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Summary

Netflix launches disaster mini-series 'Heweliusz', estimated to be one of the biggest Polish TV productions
Series based on the 1993 sinking of a Polish passenger ferry, the deadliest peacetime maritime disaster involving a Polish ship
Filmed across 9 months in 70 locations, with 120 actors, 3,000 extras, and a crew of 140

Netflix Unveils Biggest Polish Production: Disaster Mini-Series 'Heweliusz'

In November 2025, as Netflix celebrates its 10th year in Poland, the streaming giant has unveiled its most ambitious production from the Central and Eastern Europe (CEE) region to date - the disaster mini-series 'Heweliusz'. The show, estimated to be one of the biggest Polish TV productions ever, is based on the 1993 sinking of a Polish passenger ferry in the Baltic Sea, which resulted in the deaths of 55 people and is considered the deadliest peacetime maritime disaster involving a Polish ship.