Zoids: Chaotic Century, simply titled Zoids(ゾイド) in Japan, is the first of Five anime series based on the Zoids range of mecha model kits produced by TOMY. The series was animated by XEBEC, and aired from 1999-09-04 to 2000-12-23 on TBS. Although the first series to be produced for the franchise in Japan, Chaotic Century was the second series to be dubbed and aired in Western nations, following Zoids: New Century Zero.