The Unchallengeable Daitarn 3 (無敵鋼人ダイターン3, Muteki Kōjin Daitān 3, lit. Invincible Steel Man Daitarn 3) is an anime series created by Yoshiyuki Tomino and Hajime Yatate, and produced by Sunrise. It was first broadcast on Japanese TV in 1978. The series lasted for 40 episodes. The opening theme Come Here! Daitarn 3 is sung by Makoto Fujiwara. Despite being relatively unsuccessful in Japan, the series became very popular abroad, especially in Italy during the 80's.