1976 BBC documentary: the Battle of the Somme
Narrated by Leo McKern, this classic documentary was made to mark the 60th anniversary of the Somme.
70 minutes. It is showing its age a little, and perhaps plays up the disenchantment and artistic aspects rather more than would be the case were it made today. Nonetheless it is compelling viewing.
Note: the video is hosted independently. It is a large file and set to stream to you, rather than download as a file. It may take a few seconds to download enough to start, and from time to time the video buffering will need to download a little more.