Is Invincible Super Man Zambot 3 coming back?
Invincible Super Man Zambot 3 (1977–1978) on Nagoya Broadcasting Network
The answer: Concluded March 25, 1978.
About Invincible Super Man Zambot 3
When alien invaders come to Earth, the Jin family reveals its alien nature. Their ancestors came to Earth from planet Biar, after it was conquered by the army of Gaizok, who is now aiming at conquering Earth. With the help of ancient documents they will find the ships of their ancestors and assemble the robot "Zambot 3", to fight their old enemy.