I’ve done a bit of research for you – I like medieval films, too. There’s a new one of a legend, “Tristan and “Isolde”:
http://www.imdb.com/title/tt0375154/
I loved the French film, “Blanche”:
http://www.timeout.com/film/67985.html
Here are lists of some films:
http://www.ravensgard.org/gerekr/movies.html
http://www.channel4.com/history/microsites/H/history/guide12/explore5.html
http://www.drury.edu/multinl/story.cfm?ID=5947&NLID=229
http://www.epinions.com/Movies-Foreign_Films-keyword-Medieval
And from memory:
Braveheart
The Name of the Rose
Films of Shakespeare’s plays
Robin Hood, Prince of Thieves
Excalibur; the newest Roman-based King Arthur, and a lot of TV films and series