As nations raced in covert labs to outgun their enemy, tanks in World War II proved pivotal, often dictating the course of battle. This episode delves into the T-34, the linchpin of the Red Army's armor, and the enigmatic Kugelpanzer. We feature airborne tanks like the Russian Antonov A-40 and Japanese Special No. 3, as well as the unique Canal Defence Light. Exploring super-heavy tanks such as the German Panzer VIII Maus, the US T-28, and the colossal Landkreuzer P.1000 Ratte, we highlight the complexities and challenges of secret weapon design.