The History Channel : Ultimate WWI Collection : 14 Episodes : Most Decorated: The Doughboys , WWI: Death of Glory , Secrets of World War I , The First Dogfighters , Red Baron and The Wings of Death , Airships , Mystery U-Boat of WWI , World War One: Jutland , World War One: The Somme , Halt U-Boats in Zeebrugge , John J. Pershing: The Iron General , Dear Home: Letters from World War I , Christmas Truce , Last Day of WWI : 4 Disc Set : 750 Minutes