Is Groizer X coming back?

Name: Groizer X
Released: 1976-07-01

Groizer X (1976–1977) on TBS

The answer: Concluded March 31, 1977.

Network / streamer: TBS
Premiered: July 1, 1976
Ended: March 31, 1977
Runtime: ~30 min per episode

About Groizer X

The anime was created by Go Nagai as a side project during the time he was busy with the various Mazinger series, Groizer X nevertheless managed to be converted into a TV series. The robot transforms into a jet, while the show included intense battle sequences and aerial combat, it remained a secondary super robot series.