Yu-Gi-Oh!, known in Japan as , is a Japanese anime series produced by Nihon Ad Systems and Studio Gallop, based on the Yu-Gi-Oh! manga series written by Kazuki Takahashi. It is the second anime adaptation of the manga following the 1998 TV anime series produced by Toei Animation, and begins from the Duelist Kingdom arc. Like the manga and the first anime series, this series revolves around a boy named Yugi Mutou who battles opponents in various games; in this version, the main game played is the Duel Monsters card game.

is a Japanese manga series about gaming written and illustrated by Kazuki Takahashi. It was serialized in Shueisha's Weekly Shonen Jump magazine between September 30, 1996 and March 8, 2004. The plot follows the story of a boy named Yugi Mutou, who solves the ancient Millennium Puzzle, and awakens a gambling alter-ego within his body that solves his conflicts using various games.