Invincible Steel Man Daitarn 3 (無敵鋼人ダイターン3, Muteki Kōjin Daitān 3), also known as The Unchallengeable Daitarn 3, is a Japanese super robot anime television series created by Tomino Yoshiyuki and Yatate Hajime, and animated 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 Fujiwara Makoto (Choujikuu Yousai Macross).
Despite being only moderately successful in Japan, the series became very popular abroad, especially in Italy during the early 1980s.