One Piece is an ongoing anime series that started in 1999. So far 940 episodes of One Piece have been aired. With a total of 99 reported filler episodes, One Piece has a low filler percentage of 11%.

One Piece is the story of Monkey D. Luffy who became a rubber man after accidently eating a Devil Fruit. In his quest, Luffy builds his crew and continues on his adventure to find the mysterious treasure One Piece.