Original Title: 遊☆戯☆王
A timid young boy who loves all sorts of games, one day solves an ancient puzzle known as the Millennium Puzzle, causing his body to play host to a mysterious spirit with the personality of a gambler.
Yu-Gi-Oh! - watch online: stream, buy or rent
Currently you are able to watch "Yu-Gi-Oh!" streaming on Amazon Prime Video or for free with ads on Crunchyroll.