Episode 15: Master of Warfare, Sanada Yukimura! ~ The Siege of Osaka ~
Aired: September 14, 2016
Sanada Yukimura returns to the battlefield, intent on thwarting the ascendant Tokugawa Ieyasu`s bid to unify Japan. And he`s got a secret weapon: the impregnable fortification, Sanadamaru!
Source: crunchyroll