Yu-Gi-Oh! GX Season 1 Episode 80

Dorothy is struggling to clean up Duel Academy before the rest of the school comes back and she notices that a doll has gone missing. The doll appears in a human form as a girl named Alice. Hassleberry falls in love with Alice and she carries him off to the forest. Jaden goes to the forest at night to investigate and then Alice challenges Jaden to a duel.