DVD. Part 2: Includes episodes 4 and 5 of the seven-episode BBC series about the First World War. The fourth episode ("The Battle") focuses on the great material battles of 1916 (Verdun and Somme), while episode 5 ("Mutiny") deals with the great French army mutiny of April 1917 and the unrest in Russia, the abdication of the Tsar, the October Revolution and the Peace of Brest-Litovsk. Running time approx. 100 minutes in total.