Yu-Gi-Oh! Episode 39: Union of Light and Dark: Black Chaos Descends
Episode 39 of 224 of Yu-Gi-Oh!, aired January 23, 2001, 25 minutes. Available with English subtitles and dub where released.
Episode summary
Little Yugi collapses, leaving only the spirit of the puzzle to duel against Pegasus. Pegasus tries to read the spirit's mind, but Tea, Joey and Tristan use their friendship ritual to block him out. Can the mysterious spirit of the puzzle defeat Pegasus alone as the shadow game draw's to a close.