This teleports Sonic, Eggman (and his robots), Tails, Amy, Cream, and Cheese, as well as Big the Cat (with his pet frog Froggy), Rouge the Bat, Knuckles the Echidna, and the Chaotix (a detective crew comprising Vector the Crocodile, Espio the Chameleon, and Charmy Bee) to Earth, the parallel-universe version of their world with humans. While attempting to destroy his base, one of Eggman's robots inadvertently shoots a machine containing the Emeralds, which activates the 'Chaos Control' technique. Sonic the Hedgehog, Miles 'Tails' Prower, and Amy Rose attempt to rescue Cream the Rabbit and her pet Chao Cheese from Doctor Eggman, who has already retrieved the seven Chaos Emeralds. See also: List of Sonic X episodes, Sonic Adventure, Sonic Adventure 2, and Sonic Battle Season 1 The show's merchandise included an edutainment video game for the Leapster, a trading card game, a comic book series featuring an original storyline, and various toys and other items. The series was popular in the United States and France, though less so in its native Japan. Generally, writers criticized its American localization and some characters, but praised its story and aesthetics.

The final story arc sees Sonic and his friends return with Chris to their world, where they enter outer space with a newfound plant-like creature named Cosmo and fight an army of aliens called the Metarex. Separated, Sonic the Hedgehog is saved by a human boy named Chris Thorndyke, who helps him find his friends while repeatedly scuffling with Doctor Eggman and his robots over control of the powerful Chaos Emeralds, and becoming celebrities. The series follows a group of anthropomorphic animals who accidentally teleport from their home planet to Earth after attempting to save one of their friends from their enemy Doctor Eggman. The show's American localization and broadcasting were handled by 4Kids Entertainment, which edited it and created new music. A further 26 episodes aired in the United States, Canada, Europe, and the Middle East from 2005 to 2006.

Produced by TMS Entertainment under partnership with Sega and Sonic Team, and directed by Hajime Kamegaki, Sonic X initially ran for 52 episodes, broadcasting on TV Tokyo from Apto March 28, 2004.

Sonic X ( Japanese: ソニックX, Hepburn: Sonikku Ekkusu) is a Japanese anime television series based on Sega's Sonic the Hedgehog video game series.

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