Episode Title:
The Tomb-Keeper's Secret.
Episode Description:
Ishizu gives Yugi her Millennium Necklace and recounts the story of the Ishtar family, finally revealing the past tragedy that gave birth to Marik's evil side. After everyone goes to sleep, Marik (who finally discovered the truth while lurking in Téa's mind) uses Téa to deliver the spirits of Yami Bakura and himself into Bakura's body and confronts his evil half.
