There have been very few movies that illustrate Paganism. The few that do show Paganism have fleeting glimpses of Pagan practices most often taken out of context, used as mere plot points rather than presenting real Pagan practices, and are usually given a very negative light.
There is only one film I've ever seen that reveals what it might be like to live fully in an actual Pagan world and that presents real Pagan practices. That film, of course, is Robin Hardy's 1973 movie, The Wicker Man.*
Warning! Spoiler Alert!
This post reveals what happens in the movie.
Although supposedly based on a 1967 novel by David Piner called The Ritual, at best it can be said that Piner's horrific novel