As of now, Sonic X has finished.

When did Sonic X air?

Sonic X aired from April 6, 2003 to March 28, 2004.

What kind of show is Sonic X?

Sonic X is a TV series with episodes around 25 minutes long, originally from Japan.

When did Sonic X premiere?

Sonic X premiered in Spring 2003.

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Sonic X

Action Adventure Sci-Fi Comedy64

#15 Most Rated · Spring 2003#5 Most Popular · Spring 2003#43 Most Rated · 2003

Back on Sonic's home planet, Eggman has collected all 7 of the Chaos Emeralds, and is about to have absolute power when Sonic interferes, causing an explosion that sends everyone from their world to Earth. Sonic and his friends team up with 12 year old Christopher Thorndyke to collect all the Chaos Emeralds and defeat the evil Dr. Eggman.

(Source: Anime News Network)