Stream anime episodes online for free. Watch Yu-Gi-Oh! GX Episode 89 English version online and free episodes. Anime Episode guide, Chapter Yu-Gi-Oh! GX Episode 89 English dubbed The Darkness Within Zane returns to Duel Academy for the Genex Tournament and is asked for a duel by his old friend Atticus. Trying to use the shadows to save Zane, Atticus loses control over the shadows and Nightshroud returns for the duel.