Yu-Gi-Oh! First Series - Episode 005

Now Revealed!! Yugi´s Secret is the fifth episode of the Yu-Gi-Oh! first series anime

A man from ancient Egypt comes at the museum where he sees Yugi with the Millennium Puzzle. He travels in Yugi's mind to see if the puzzle really belongs to Yugi. In there, Dark Yugi challenges him to a game where the man from Egypt must find the real door which has the Millennium Puzzle in it.