Sinister Secrets (1)
Show: Yu-Gi-Oh! Duel Monsters --> Season: 1 - Yu-Gi-Oh! Duel Monsters
AirDate: 3/17/2004
Runtime: 24
Voting: 0 (0)

Overview: It’s Yugi vs. Leon for the title of King of Games at the KC Grand Championship! However, something sinister lurks in the shadows, for this duel is more than just getting the crown! Sieg’s greatest revenge is about to commence as his real master plan is unleashed!