Upcoming GX Episodes
166: Armed Dragon VS Dragoon D End
Manjyome's mistake causes Edo to retire from the Pro League and go missing. Meanwhile, Manjyome has been discovered by Mike, a TV Director, and tried his hand at the seat of a Star Duelist. Mike's next gimmick is "Teacher-Pupil Clash! Edo VS Manjyome!!". However, there's a certain secret lying behind Edo's Pro retirement. Lastly, Manjyome and Edo's duel finally gets underway.
167: Gratitude Duel! Chronos VS the Original Dropout Boy
Judai and the other's Graduation Album is complete! When Chronos looks at it, he begins to act abnormal. He conducts rigid classes for no reason, suddenly make his students dictate multiplication tables and kanji, and make them do push-ups...In the end, they end up boycotting the lessons and fleeing...Judai then challenges Chronos to a duel. Judai and Chronos's confrontation is the first since the entrance exams. The two summon the same monsters as back then.
Source: http://janime.info/Genex/index.html