Gas! - A New Horror On The Battlefield - Week 28 - S2.E6

After more than 6 months of stalemate, the German Empire is playing two new cards to gain a decisive advantage. On the Eastern Front, the Germans use gas on a huge scale for the first time. While the attack fails, the foundation for gas warfare is laid. At the same time Kaiser Wilhelm II agrees to unrestricted submarine warfare – any ship can be sank at any time.