While Jet throws a tantrum in frustration, Sonic sees Eggman in front of a giant door on the Babylon Garden. However, he is met by Jet, who challenges him to a final race. Sonic prepares to chase him, but not before Tails gives him the Blue Star II. Next to the Babylon Rogues' ship, the trio notices Dr. Using the Tornado 2, the heroes reach Babylon Garden. Eggman snatches the Key to Babylon Garden from Jet's hands and flies off to Babylon Garden in his Egg Mobile. Jet proceeds to use the Emeralds and the Key to Babylon Garden to summon Babylon Garden, which raises out of the nearby desert and into the sky. However, Wave then detonates the bomb on Sonic's Extreme Gear, destroying Sonic's Blue Star and allowing Jet to win and obtain the Chaos Emeralds. At the end of the race, Sonic is about to beat Jet. The hawk mocks Sonic once again, saying that he obviously was able to win his previous races because of luck rather than skill, though Sonic is confident that he will win. Amy cheers Sonic, who is about to compete against Jet. Next, at Sand Ruins, Omochao is hosting the final race of the EX World Grand Prix. Afterward, Tails has a race against Wave, which he manages to win. Refusing to let Wave get the better of him, Tails promises Sonic that he will unlock the secrets of the Extreme Gear for them. Jet then leaves, and Tails remembers Wave's comments about his Extreme Gear. There, they find Jet, who says that while Sonic is very fast on his feet, he is not very impressive on Extreme Gear. Afterward, the heroes find themselves at Green Cave watching Sonic practice on his Extreme Gear. In the end, they decide to settle things with a race, which Knuckles wins. Later, at Egg Factory, Knuckles has a short fight with Storm, accidentally damaging an E-10000R in the process.

While the heroes are infuriated by her actions, they do not notice that she has tampered with the Blue Star by placing a bomb on it. After this, the heroes meet Wave, who mocks the Extreme Gear Tails is holding, the Blue Star, by calling it a 'piece of junk'.

However, the same legends claim that there is a treasure on the island. He also explains that, according to legends, the Babylonians' actions enraged the Gods, who cast Babylon Garden into the depths of the earth. Tails then says that he believes that Jet, Wave, and Storm are a part of a legendary group of thieves known as the ' Babylon Rogues', who, according to rumors, live on a floating island known as Babylon Garden. This gets the hedgehog's attention, making him, Tails and Knuckles join the tournament.Īfter a few races in Metal City and Splash Canyon, the trio runs into Amy, who reveals that she has signed up for the tournament as well to be with Sonic. Though Sonic seems unsurprised at first, Eggman presents the three current contestants: Jet the Hawk, Wave the Swallow, and Storm the Albatross the same three figures Sonic encountered. Eggman, who announces that he has organized an Extreme Gear tournament known as the ' EX World Grand Prix', with the participants needing to pay an entry fee in the form of a Chaos Emerald, and that the winner will receive all seven Chaos Emeralds. The next day, Sonic, Tails, and Knuckles notice a local screen being broadcasted by Dr. As the figure mocks Sonic and leaves with his teammates, Sonic is reunited with Tails and Knuckles, excited that he now has a new rival to compete against. However, the figure takes Sonic by surprise and jumps above him, knocking him out. Sonic then uses this Gear to chase them down, and he is able to reach the green figure, who admits that Sonic is not bad at using Extreme Gear. A purple figure picks up her companion and rushes off, as Tails notices that the Extreme Gear they dropped features a symbol of a bird on it. While one of the the green figure is able to cut past Sonic with no problem, Knuckles punches the grey one off his Extreme Gear.

Tails discovers that these figures have the Chaos Emerald, and thus the trio gives chase to them. Suddenly, three figures crash out of a nearby window, riding on Extreme Gear, with the police on their tails. However, Tails' Emerald Detector alerts them that something is jamming the Emerald's signal.

One night in Metal City, Sonic, Tails, and Knuckles are looking for a Chaos Emerald. Sonic facing Jet the Hawk for the first time. Spoiler warning: Plot, ending details or any kind of information follow.

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