Stream anime episodes online for free. Watch Yu-Gi-Oh! GX Episode 18 English version online and free episodes. Anime Episode guide, Chapter Yu-Gi-Oh! GX Episode 18 English dubbed The King of the Copycats (1) Yugi’s deck is put on display. A student from Ra steals it and uses it to duel; against Jaden. The student uses the deck just as well as Yugi, so it’s like Jaden’s dueling against the game king himself!