Zabuza's Blade Naruto: Shippûden : Season 6 Episode 3

After Sasuke reverses Orochimaru's body-switch with his Sharingan, he releases one of Orochimaru's test subjects, Suigetsu. Determined to put together a team to achieve his goals, he decides to request Suigetsu's assistance. Suigetsu agrees, but only if he's willing make a detour to the Land of Waves first.