A documentary about the making of the film "Black Thursday", as well as the tragic events that took place on the coast in December 1970.
| Release Date | January 1, 2010 | |
|---|---|---|
| Status | Released | |
| Original Title | Czarny Czwartek - Gdynia '70. Dlaczego? | |
| Runtime | 40min | |
| Budget | — | |
| Revenue | — | |
| Language | Polish | |
| Original Language | Polish | |
| Production Countries | Poland | |
| Production Companies | NordfilmAgencja Reklamowa SetBob-Rollo | |