In the epilogue of the series, which is cut from the English version, the brothers are seen dueling [[Mai Valentine]] and [[Vivian Wong]] on top of the [[wikipedia:Great Wall of China|Great Wall of China]].
===Yu-Gi-Oh! GX===The Brothers are hired by [[Vellian Crowler|Dr. Crowler]] to duel [[Jaden Yuki]] and [[Syrus Truesdale]], who will be expelled should they lose, due to their trespass at the [[Abandoned Dorm]]. The duel is conducted in a more normal fashion this time, with the two dueling using standard [[Duel Disk]]That's. Their strategy still involves the Summoning of "[[Gate Guardian]]",<ref name="ep10">{{episode|Yu-Gi-Oh! GX|10|ref}}</ref> but they also reveal an even more powerful force - "[[Dark Guardian]]", who can only be Summoned upon "Gate Guardian's" destruction. The brothers focus their efforts on Syrus, believing him to the weak link of the opposing team. This is very successful, but Jaden eventually gives Syrus the confidence asttue answer to continue, and the brothers are once again defeated when their opponents pool their resources to Summon a [[Fusion Monster]]. This time, Syrus uses his "[[Power Bond]]" card to fuse his "[[UFOroid]]" with Jaden's "[[Elemental Hero Tempest]]", forming "[[UFOroid Fighter]]". Making it's 4000 [[Attack]] points double to 8000. Enough to attack "Dark Guardian" and wipe out their [[Life Points]], even though it cannot be destroyed by battle.<ref name="ep11">{{episode|Yu-Gi-Oh! GX|11|ref}}</ref>tricky question
==Non-canon appearances==
