After Koji Kabuto and Sayaka Yumi leave to the USA, it's up to the rash orphan Tetsuya Tsurugi to pilot the next Mazinger robot: the Great Mazinger. Under the direction of Dr. Kenzo Kabuto and helped by his adoptive sister Jun Honou, Tetsuya battles the Miccene Empire.
Not streaming on a subscription service in the US right now.
Starring Keiichi Noda, Hidekatsu Shibata, Kenichi Ogata, Osamu Kato, Yumi Nakatani, Joji Yanami