Well new summeries from NAS have been reviled with a possiblity of a season 4. Translations are from Janime Fourms....I ranted on Kingdom Hearts, Digimon, Akiyama Ryo, and other thing dealing with the writers ripping off other shows.
Source: NAS
Episode 154: Supreme King Judai Resurrected!
Judai VS Yubel continued. Yubel summons itself to the field. All of Yubel's attacks damage the opposing player and have been making Judai miserable. Judai, his resolve set, resurrects the dead spirit of "Supreme King Judai" within him and confronts Yubel. And, Judai has attacked Yubel with the help of his Neo Spacians, but Yubel has taken him up with the effects of the Trap cards, "Zero Hole" and "Hate Buster." Then...
Episode 155: Rainbow Neos VS Yubel Ultimate Form
Judai, utilizing the Gem Beast cards he was entrusted with from Johan in summoning Rainbow Neos, equips it with "Rainbow Veil" and launches an attack on Yubel. In turn, Yubel transforms into its Second Form, activates "Demon's Rose," and fends off the damage. Then, she activates the Magic, Cyclone, destroys the Rainbow Veil and launches an attack on Judai. Judai, his remaning Life Points low, got through it all, somehow, with the effect of the "Necro Guardner" in his Cemetery. Yubel has evolved into its Ultimate Form, "Yubel, Das Extreme Traurig Drache," while its seesaw offense and defense continues.
Episode 156: Judai Revived!? A Brand New Journey
Manjoume, Asuka, Kenzan, Sho, Fubuki, Chronos, O'Brien, Jim, and Johan have returned to the Duel Academia. During which, Judai has not been seen. The Red dorm's dining hall, after a week, has been adorned with the three's pictures; Judai, including Misawa and Ryo who both also didn't return. Manjoume, looking at Judai's picture, remembers the first time he dueled with Judai. Though, Sho believes that Judai will come back, as opposed to Manjoume, overcome with deep emotion.