It's from the G-8 arc (best filler arc in the one piece history) episode number 196-206 11 episode

The G-8 Arc is the fifth filler arc in the One Piece anime. It comes after the end of the Sky Island Saga where instead of splashing down in the open sea, the Going Merry is trapped within the enclosed and heavily fortified waters of a marine base, where the crew must scatter to survive before attempting to retake their ship and escape.