Now Revealed!! Yugi's Secret

Synopsis

A man from ancient Egypt comes to the museum, where he sees Yugi with the Millennium Puzzle. He travels into Yugi's mind to see if the puzzle really belongs to Yugi. In there, the man from Egypt is challenged by Yami Yugi to a Shadow Game where he must find his "Soul Room". The man from Egypt loses and he tells Yugi that he really is the owner of the Millennium Puzzle. He also reveals his name to be Shadi. (Source: Wikipedia)