Kaizoku Sentai Gokaiger S01 E11 The Serious Rebellion

"Let's make it showy!"

With Navi's next clue being "Sa-mu-r-aa-i", the Gokai Galleon crew seeks out a kendo club until they are approached by a girl who claims to be the samurai known as Shinken Red. Joe begins training with her to face off against his old comrade Barizorg.