Transformers Animated is an Japanese/American animated television series based on the Transformers toy line. The series debuted on Cartoon Network on December 26, 2007, and has been shown on NickToons in the UK since February 2008. It is produced by Cartoon Network Studios and animated by The Answer Studio, MOOK DLE., and Studio 4°C . The series has 42 episodes across three seasons. The European Jetix began to air the series on September 10, 2008. The series began its broadcast in Japan on April 3, 2010, on both TV Aichi and TV Tokyo. The Japanese version of the cartoon was slightly rewritten to tie into Michael Bay's Transformers trilogy.