Mobile Suit Gundam Wing: Episode Zero

After a generation of warfare, the Gundam boys finally secured a peace between Earth and the colonies by helping to defeat the Oz and White Fang armies. Now, out of the rubble, the surviving soldiers are re-emerging and clustering together into new factions. Heero Yuy has become a vigilante pacifist, tracking down weapons stashes and destroying them, while Relena, former Queen of the Earth Sphere, tries to maintain the peace politically. But an unmanned weapons factory has been discovered somewhere near Mars, and now the boys are going to have to dust off their mechs for one more battle to save the tenuous peace. (Source: TOKYOPOP)

Centuries in the future, in the year After Colony 195, Earth is surrounded by orbiting space colonies. The colonists are cruelly oppressed by the Earth Alliance, which uses huge humanoid fighting machines called "mobile suits" to control the populace. Behind this tyranny is the secret society called "Oz," which has infiltrated the Alliance military and steered it towards its repressive course. Now, the space colonies are ready to strike back. Five young pilots, equipped with advanced mobile suits called "Gundams," are sent to Earth to wage guerilla war against Oz and its Alliance puppets. The war to decide humanity's destiny begins.