Naruto Shippuden 226 "Battleship Island" is the continuation of the Naruto Shippuden series.
From the last Episode Naruto Shippuden 225 : The Cursed Ghost Ship. Another filler... well here it goes... as Naruto, Aoba, Guy and Yamato continue their voyage towards the Land of Lightning. Something is attacking them from a distance and when it clears up it is an island that looks like a battleship and it appears that it was owned by a pirate. The ship was sunken by the barrage that the battleship or the Island. Yamato uses his wood style technique to create a submarine like and cover the ship. Until they were taken by the current to and under water cave that it appears to be an crater of a volcano with hot spring. In that under water cave they have discovered that the island was once a peaceful island until the pirates take over the island. Naruto's forehead protector was taken by the pirate captain and after he discovered that the inhabitants of the island lived in peace before the pirates take over the island. Naruto decided to avenge the people of the island... Finally Naruto came up with a plan to do that. They have used the under water hot spring and have it overflowed to the top of the volcano have their ship back to the ocean. It was not shown how they beat up the pirates but thing is history.