This is the most recognized first episode globally, serving as the premiere for the Duel Monsters series . It focuses on the strategic card game that would define the franchise's legacy.

: Yugi Mutou is a lonely student bullied by classmates. The school's hall monitor, Ushio, offers to "protect" Yugi but eventually turns on his friends, demanding a massive "protection fee."

: Ushio loses the game and is subjected to a "Penalty Game," where he is trapped in an illusion of greed. This version is significantly darker and focuses on Yugi finding his first real friends in Joey and Tristan. Key Differences Duel Monsters (2000) Season 0 (1998) Primary Theme Card Game Strategy Moral Justice & Shadow Games Antagonist Seto Kaiba Ushio (Hall Monitor) Winning Move Summoning Exodia Mind Crush/Penalty Game Tone Action/Fantasy Adventure Psychological Thriller AI responses may include mistakes. Learn more

: Yugi takes his grandfather’s place, facing Kaiba and his three Blue-Eyes White Dragons.

: After completing the Millennium Puzzle , Yugi transforms into Yami Yugi for the first time. He challenges Ushio to a "Shadow Game" involving money and high stakes.

Often called " Season 0 ," this episode by Toei Animation follows the original manga more closely, where the focus is on a variety of dangerous "Shadow Games" rather than just one card game.

In the world of Yu-Gi-Oh! , "Episode 1" can refer to two very different beginnings: the 1998 "Season 0" premiere or the more globally famous 2000 Duel Monsters premiere. Both episodes establish Yugi Mutou as the protagonist but approach his journey with distinct tones and plotlines.