In one sermon written by a Polish priest Fr. Marian Bendyk, there is mentioned a supposed controversial movie named "Godziny CiemnoĊci" (Hours of Darkness) in which the archeologist discovers that Jesus never rose from the death which reveals that Christianity was a lie, making churches being closed, crosses being removed etc. The movie ends with a director saying that he wanted to show the viewers "how the world would look like if Christ wouldn't rose up".
The issue is that this movie may not have actually existed, because when I searched this movie I couldn't find it and I wasn't the only one. This mystery was also mentioned on some Polish forums but no one could bring up the actual movie. So it's possible that's just a false memory or just a straight up lie.
But maybe someone remembers such a movie and could give me more details or even tell me if the movie is available somewhere.