Zoids: Chaotic Century, simply titled Zoids (ゾイド -ZOIDS-, Zoido) in Japan, is the first of four anime series based on the Zoids range of mecha model kits produced by TOMY. It is loosely adapted from the manga series Kiiju Shinseiki Zoido, which was created by Michiro Ueyama and published in CoroCoro Comic. The series was animated by XEBEC, and aired from September 4, 1999 to December 23, 2000 on TBS Network. 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. In August 2013 a Blu-ray box set of the series was released in Japan, it optionally came with a limited edition Blade Liger.