The series revolves around a young high school boy named Yugi Muto who battles opponents in the Duel Monsters card game.

[3] An English-language localization of the anime series was produced by 4Kids Entertainment, and aired in the United States from September 29, 2001, to June 10, 2006, on Kids' WB.

Twelve extra episodes, which is American-produced, aired exclusively for the Western audience in mid-late 2006 shortly after the conclusion of the main series.

[4] The story follows Yugi Muto, a boy who completed an ancient Egyptian artifact known as the Millennium Puzzle, which led to him to inherit an alter-ego spirit.

Yugi enters Kaiba's Battle City tournament in order to obtain the three Egyptian God cards needed to unveil the Pharaoh's past.

The first twenty-four episodes of the season form an original story arc that sees Yugi and his friends get sucked into a virtual world run by Noah, the illegitimate stepbrother of Seto and Mokuba and son of Kaiba's adoptive father, Gozaburo.

Produced during the time Millennium World was being written, in a new, original story arc, the Orichalcos drains the power from the Egyptian God cards and begins gathering souls in order to revive the ancient dragon monster serpent, Leviathan.

After the Orichalcos has been eliminated, in another original story arc, Yugi and his friends battle in the KaibaCorp Grand Championship to face off another of Kaiba's rivals, Zigfried.

When Yugi and his friends go to Egypt, they find themselves sucked 5,000 years into the past, where Pharaoh must battle Bakura and his evil essence, Zorc the Dark One.

[7] An uncut version, featuring an all-new English dub track and the original Japanese audio, began release in October 2004, in association with Funimation Entertainment.

However, In August 2009, these episodes were removed due to legal issues with ADK (NAS' parent company) and Shunsuke Kazama, the Japanese voice of Yugi.