The third (& perhaps final) season of Yu-Gi-Oh GX is set to start on October 4! Check out the summaries of the first 8 episodes:
Turn 105 "Start of New School Year! Premonition of Tribulation" 10/04/2006
It's the day before the start of the new semester and Manjyome paints the schoolhouse made white by the Association of Light blue. Meanwhile, Judai thinks back to Neos, that fought with Saiou in their battle, and all the battles he's had up until now. The time he lost to Edo and experienced the phenomonon of all his cards turned blank white, the time he met with the Neo Spacians and got their cards, the time he and Edo had their decisive rematch, and the time he and Edo joined in a tag team and fought against Mizuchi.
Turn 106 "Judai vs Johan of the Jewel Beast Deck" 10/11/2006
The new semester for the Duel Academia has started. The academia invites school champions, [Amon], [O'Brian], [Crocodil], and [Professor Cobra], and a mystery man as overseas students and become new allies. Meanwhile, Judai meets a boy who sees Spirits on the top of the schoolhouse. Only, that boy is the [mystery man], Johan. Johan is a duelist who controls an odd series of monsters called the Jewel Beasts.
Turn 107 "Neo Spacians VS Jewel Beasts" 10/18/2006
Johan summons wave after wave of Jewel Beasts, including [Amethyst Cat] and [Topaz Tiger], and Judai takes him on by Contact Fusing Flare Neos by using Flame Scarab and Neos. Johann, then, destroys Judai's Field Magic and activates a new Field Magic [Rainbow Ancient City - Rainbow Ruin ~ Niji No Kodaitoshi Rainbow - Hatsudou], forcing Judai's Neo Spacian to return to the deck. Edo, who had watched this vivid attack, begins to go into detail about the unknown relationship between Johan and the Jewel Beasts.
Turn 108 "Assassin of Professor Cobra" 10/25/2006
Professor Cobra, as part of his skill disclosure system, declares [Disclosure Duels] which has duels peformed out in the open. Also, all the students are outfitted with Deathbelts, used to measure the fighting emotions in those duels, such as intensity, concentration, and decision making. In addition to this, Cobra orders O'Brien to duel with Judai. His strategy is to bring out all of Judai's untapped power. O'Brien begins the execution his strategy--to take Sho hostage and duel with Judai.
Turn 109 "Judai VS Firey O'Brian" 11/01/2006
O'Brien tries to make Judai show all of his potential by holding Sho as a captive. He faces off against Judai with, who will battle for real just as speculated, battling back with his Fire Deck. Against Judai's direct attack, O'Brien activates the Permanent Trap "Fire Wall"and negates the direct attack. In turn, Judai initiates Contact Fusion between Neos and Flare Scarab to summon Flare Neos to strike back, but . . .
Turn 110 "Tyranno Kenzan and Jim of the Fossil Dragon" 11/08/2006
[Jim Crocodile] notices a strong emergence of electromagnetic waves in the Duel Academia. Together with Judai, Johan, Sho, and Kenzan, Jim investigates in the jungle. It is then that there's a strong emergence of electromagnetic waves and [Karen] of the Crocodiles strikes Kenzan. At the same time, the effects of the electromagnetic waves causes Kenzan to lose hold of himself and he goes after Jim. There is where Jim duels with Kenzan. Against Kenzan, who instinctively summons powerful Dinosaur monsters, Jim activates the [Fossil Fusion ~ Kiseki Yuugou] magic card, and summons Fossil Dragon.
Turn 111 "Manjyome and Amon of the Cloud Deck" 11/15/2006
Cobra notices Amon, searching around his vicinity. And then, he presses Amon into conducting a Death Duel against him. Amon suspects that Cobra recongnizes his moves and has it in for his life, so he brings out a certain strategy. Meanwhile, Manjyome is bothered by Amon and does some research on his profile. As a result he suggests on dueling Amon while knowing that he's the eldest son of the Garam Group. In use of his Cloud Deck, Amon commences in attacks against Manjyome.
Turn 112 "Thunder VS Eye of the Typhoon" 11/22/2006
Manjyome summons VWXYZ Dragon Catapult Cannon and showers Amon in a surging attack. However, Amon takes on that attack still bearing a relaxed smile. He, at last, begins his strike back. By opening his two reverse cards, the effects of Rain Storm and Natural Disaster inflict damage upon Manjyome. Manjyome battles back, but Amon's combo attack drives Manjyome further into the predicament. But, even though Manjyome counter strikes with use of his [Ojama Delta Thunder]...
Source:
http://janime.info/Genex/index.html