Transformers Animated (トランスフォーマー アニメイテッド, Toransufōmā Animeiteddo) is a Japanese/American animated television series based on the Transformers toy line. It is produced by Cartoon Network Studios and animated by The Answer Studio, MOOK DLE., and Studio 4°C. The series debuted on Cartoon Network on December 26, 2007 and ended on May 23, 2009.