Sonic X (English)

It has previously aired on Fox and The CW in the, CITV and Jetix in the , Network 10 and Seven Network in , YTV and CBC in , TVNZ in , and Central in ; it is also available online on Kabillion, Netflix, Hulu, Amazon Prime Video, and Tubi TV.

Original
In the, the broadcasting rights of Sonic X were handled by. The series debuted on Fox on September 6, 2003 during the FoxBox Saturday morning block, which was later rebranded as 4KidsTV. Two weeks earlier, on August 23, 2003, the first episode aired aired on the channel as a sneak peek, prior to the proper premiere of the series. The original run of the series on the channel ended on May 6, 2006, after three seasons, and went into re-runs on the channel from May 5, 2007 to December 27, 2008.

Sonic X would later air on The CW during the CW4Kids block starting January 3, 2009, until August 7, 2010. After the block rebranded as Toonzai, the series continued to air from August 14, 2010 to August 4, 2012.

From June 2012 to 2014, the copyright and branding of the series was passed onto ' Kidsco Media Ventures, following 4Kids Entertainment's bankruptcy due to a lawsuit. It was later announced that the Toonzai block on The CW would be relaunched under the name Vortexx. Sonic X aired during the block from October 6, 2012 to September 27, 2014, with the block's discontinuation.

Original
The American distribution company began to release Sonic X on DVDs. Ten volumes would be released on June 1, 2004 to May 16, 2006; each one of the volumes contain ten episodes from the first season of the series. On October 31, 2006, FUNimation released "Sonic X: The Complete 5th Season", a collection featuring the first thirteen episodes of the third season of the series. On February 13, 2007, FUNimation released "Sonic X: So Long, Sonic", another collection featuring the last thirteen episodes of the series, labled as "Season 6". FUNimation would release four additional volumes of the series on November 13, 2007 to September 22, 2009; the first two volumes contain episodes from the first season of the series, while the last two volumes contain episodes from the second season of the series.

Beginning 2015, the rights for the series were passed to. The company released a DVD collection of the first two seasons of the series on September 27, 2016, along with the third season on December 6, 2016. Discotek Media would later release "Sonic X: The Complete Series", a collection featuring all the episodes of the series on Blu-ray for the first time, on May 28, 2019.

Sonic X also became available on the Kabillion VOD service starting 2015. Hulu would release the dub as well, along with English subtitles for the original version. On December 1, 2019, the first two seasons of Sonic X became available on Netflix. The dub is also available on Tubi TV and Amazon Prime Video.

International
In the, the first eight episodes of the series were released in four single-disc volumes. The first two volumes were released on August 29, 2005, while the last two volumes were released on November 14, 2005.

In, The episodes were released on DVDs by. Six single-disc volumes, with each one containing three episodes from the first season of the series, were released on March 18, 2005. Three additional volumes were released by the company on May 4, 2005, with the last one containing the last episode of the first season and the first two episodes of the second season. Another three volumes of the series would be released on June 6, 2005, along with five additional volumes on November 10, 2005, each one containing episodes from the second season of the series. In addition, three volumes of episodes from the third season, and two DVD collections of episodes from the first two seasons, were also released.

Cast
found new voice actors for the series rather than using those from the games "ソニックアドベンチャー" and "Sonic Adventure 2", with auditions beginning in early 2003. Michael Haigney, the producer of the dub, claimed that 4Kids could not use the voice actors from the video games due to them not living in New York, where 4Kids is headquartered.

Beginning with the video game Shadow the Hedgehog, the cast of Sonic X would reprise their respective voice roles in all Sonic games released between 2005 and 2010, before being replaced again, with exception of Mike Pollock as the voice of Doctor Eggman.

Episodes
Sonic X ' s episodes are split into eight "sagas". In FUNimation's home media releases, the New World and Chaos Emerald sagas were released as "Season 1" and "Season 2" respectively. The Chaos and Shadow sagas were merged and labled as "Season 3", while the Egg Moon, Emerl and Homebound sagas were labled as "Season 4". The Metarex saga was split into "Season 5" and "Season 6", each one contains 13 episodes.

Censorship
Sonic X ' s episodes were. Many items, places, and dialogue have been edited by 4Kids from its original version to better suit children and comply with  or the TV Networks' regulations. Some of the edits have been done directly (such as violence, cursing and others) or indirectly (such as music).

The dub has been described by as being "infamous" for this type of editing. The producer of the dub, Michael Haigney, personally disliked realistic violence in children's programs, but had not intended to make massive changes himself. Instead, he was bound by Fox Broadcasting Company's strict guidelines.

Trivia

 * Jason Griffith and Dan Green, the voice actors of Sonic the Hedgehog and Knuckles the Echidna respectively, sang the national anthem of the United States along with other 4Kids voice actors for the.
 * In an interview, Griffith revealed that he originally auditioned for the part of Chris, but was instead cast as Sonic.
 * Michael Haigney, the English writer and producer of the dub, said in an interview that he wasn't familiar with the Sonic the Hedgehog franchise before the production of the dub.
 * Ryan Drummond, the voice actor of Sonic the Hedgehog in "ソニックアドベンチャー", "Sonic Adventure 2" and "Sonic Heroes", offered to voice the character for the dub, and said that he would gladly relocate to New York at his own expense. Despite that, he was rejected by 4Kids, and replaced by Jason Griffith. Drummond continued to provide the voice of Sonic in the franchise until, when SEGA replaced all their Sonic voice actors with their 4Kids counterparts.
 * The name of the theme song, "Gotta Go Fast", became an iconic catchphrase for the franchise for over a decade after the release of the dub. The 81st issue of '  comic series even references the song in its "Off Panel" strip.
 * The popularity of the series in the and  resulted in a third season being produced. In, the series suffered from poor ratings, and thus the season never aired on television until , due to the release of the Sonic the Hedgehog film adaptation.