Watch anime online, stream anime episodes for free, you are watching One Piece – Episode 221 English version online and free episodes. Anime Episode guide, Chapter One Piece – Episode 221 English Subbed The Mysterious Boy with the Whistle and Robin’s Deduction Robin suggests that only those who were sleeping lost their memories. Luffy and the others then remember seeing the mysterious boy who played some kind of flute. Later that night, they discover the boy outside and Luffy tries to fight him. At the last second, he proclaims his memory has returned.