This is a film guide for Chivalry and Betrayal: The 100 Years War: BBC 4 Video Episode 3 of 3-Agents of God.
The video is available on youtube.com and easily searchable.
The film has is current with a good narrator and great cinematography.
If you are looking for something for your classroom for the 100 Years War or Joan of Arc I suggest you stop now, buy this guide and then ginf the film on youtube. Trust me you won't find anything out there that is better, I tried :)