Van descobre um Zoid Organoid em um laboratório abandonado enquanto foge de dois estranhos que pilotam Zoids. Também no laboratório, em um tubo de suspensão animado, está uma garota estranha. Ele abre o tubo e leva ela e o organoide com ele. A garota, que diz se chamar Fiona, quer encontrar algo chamado "Zoids Eve", e então Van, o Organoid Zeke e Fiona começam sua aventura.
New Century Zero takes place a long time after the events of Zoids: Chaotic Century. Zoids are no longer used for warfare; instead, the combative natures of both Zoids and humans are focused and contained by a series of battle-competitions and tournaments, run by the Zoid Battle Commission.
The series focuses on the Blitz Team, in particular the actions of the Liger Zero and Bit Cloud. The series charts the rise of the Blitz Team through various competitions of the Zoid Battle Commission, and the team's efforts to avoid conflict with the criminal organization known as the Backdraft Group.
Desastres naturais devastaram o Planeta Zi, matando quase todas as formas de vida. Mil anos depois, humanos restabeleceram aos poucos a civilização, recuperando Zoids antigos por meio de escavações. Numa vila em que o objeto mais precioso é uma espada gigante que eles adoram como um símbolo sagrado, um jovem garoto descobre um Zoid tipo Liger durante uma operação de resgate debaixo d“água. Com este Zoid ele desafiará as forças de Digald que querem dominar todo o planeta.
In the 21st century planet Earth was rendered inhospitable to life, and people mass-migrated to Planet Zi, the natural home of metallic life forms known as Zoids. Many years later, Zi faces its end. Its inhabitants partake the journey to migrate back to Earth. Attempting to regenerate the Earth to make it hospitable, the migrants come up with a "Zi-Forming" scheme. However, the plan fails and Earth is left in its state of turmoil. Overrun by Zoids and blanked by unstable weather phenomena, the migrants are faced with a difficult life. The Empire and Republic settlements attempt to uncover Zoids buried within the Earth to bolster their respective armies. The story picks up following second-generation Earth citizens: Leo Conrad and Buzz Cunningham, who have a chance encounter with a girl Sally Land as she flees the clutches of the Empire.
Os Zoids são máquinas de combate do tipo besta, usadas tanto no uso diário como no transporte e uso especial como a guerra. Alguns tipos de Zoids, conhecidos como Organoids, são miniaturas de Zoids que são organismos vivos. Esses organoides têm a capacidade de se fundir com um zóide não vivo e torná-lo muito mais poderoso.
Zoids é uma linha de brinquedos de mesmo nome, criada e fabricada pela TAKARA TOMY, é a quinta série da franquia.
R.D. is a delivery boy who works for a company called Mach Storm in order to earn money to search for the legendary Alpha Zoid. A Zoid that he heard rumours about from his dad that he passionately believes in. Mach Storm also doubles as a Zoid Battling team. In R.D.'s first Coliseum Zoid Battle, he encounters a team that can fuse Zoids. R.D. soon discovers that he has a Zoid that can computably fuse with his Zoid, Liger Zero. After this happens R.D.'s adventure to discover the truth about the Alpha Zoid begins.