Stream anime episodes online for free. Watch Yu-Gi-Oh! GX Episode 29 English version online and free episodes. Anime Episode guide, Chapter Yu-Gi-Oh! GX Episode 29 English dubbed Doomsday Duel (1) The Chancellor of the Duel Academy calls Jaden and the others together to warn them of a grave situation. Seven powerful duelists are planning an attack on the Academy in the hopes of obtaining the three Sacred Beast cards that have been sealed there for generations. The only thing that stands in the way of these seven stars are seven keys required to unlock the seal. Jaden and the others must protect these keys from the stars at any cost, and the first one is already approaching the island!