Bleach Episode 20 English Subbed Episode Title:Ichimaru Gin's Shadow.Episode Description:While fighting Urahara, Ichigo learns that Zangetsu is the name of his zanpakutō. Upon learning the name, the sword transforms into its more powerful shikai form as Ichigo unleashes an energy blast which knocks off Urahara's hat, completing the third stage in his training. Orihime and Chad, meanwhile, finish their training with Yoruichi. The entire group, including Uryū, who has been training alone, set out for the Soul Society using a gate that Yoruichi and Urahara made.