His Name is Captain
The peaceful Neotopia is one day attacked by the invasion forces of the Dark Axis. Shute, a clever, inventive boy stumbles upon the villains, a mysterious robot named Captain Gundam, and the adventure of a lifetime!
Aired 07/01/2004EP 1 - His Name is Captain
2004
SD Gundam Force
The land of Neotopia is attacked by the Dark Axis, evil invaders from another dimension who wish to conquer this land. Neotopia's answer: the secret Super Dimensional Guard and their defenders, the Gundam Force. Led by Captain Gundam, the Gundam Force and its team of Gundams with special abilities are aided by a boy named Shute as they stop at nothing to defend the land from the Dark Axis and to defeat them once and for all.
(Source: Anime News Network)