Episode 56
Dr. Eggman Joins the War! (Ｄｒ．エッグマン参戦!, Dokutā Egguman Sansen!) is the 56th episode of Sonic X and the 4th of season 2.
It is available in Japanese, French, Korean, Mandarin, Cantonese and Thai.
Characteristics
Its conventional length is 24:35. It uses opening 2 and ending 2.
The eyecatch cards are Metarex Jumpee and Egg Mars.
It ends with a preview of episode 57.