SSSS.Gridman: Mou Hitori no Kami (Light Novel) - Recommendations

• TV (64 eps)
• 1981 - 1982

A young boy is sent from a distant star to destroy Earth, but after experiencing the beauty of the planet and its inhabitants, begins to question his mission. With the aid of the powerful robot God Mars, the boy struggles to protect Earth from his own people, and as a result, is forced to do battle with his very own brother.

• Web (1 ep)
• 2012

A story about an elite government team that pilots a five into one super robot fighting force. They are called to take down their robot’s creator who is now a terrorist.

• TV (38 eps)
• 1985

Deep in outer space, the emperor Muge plots his next conquest - an out-of-the-way planet known as Earth. Mustering all the forces of his own personal Empire of Death, the Emperor is by far the most formidable foe humans have ever faced. And now he's even more fearsome thanks to the defection of Shapiro Keats, a power-hungry Earthling reborn as an Empire informer. But now there's a team that just might be able to stop them: Shinobu, Sara, and Ryo. Together, they're in command of a new secret weapon developed in a laboratory hidden deep in a lake in Japan.

• OVA (1 ep)
• 1977

• TV (52 eps)
• 1981 - 1982

Golion, a powerful sentient robot, abuses his great powers by attacking and killing creatures known as Deathblack Beastmen, boasting that no one could defeat him. A divine space being punishes Golion for his arrogance and abuse by seperating him into 5 different lion robots. In the year 1999, a group of 5 young men return to Earth after a space voyage, only to find it ravaged by nuclear war. After encountering the alien race known as the Galra, the 5 youths end up on the planet Altea, and learn that the 5 lion robots that Golion was split into are in hibernation in various parts of Altea. Somehow, they must reunite the lions and form Golion, the only hope for the human race.

• TV (50 eps)
• 1991 - 1992

• TV (48 eps)
• 1991 - 1992

From the dark reaches of space an evil energy being called Draias seeks to invade the earth, following Draias the space police borrow the advance rescue vehicles and android constructed by Dr. Amano along with three civilian vehicles the space police lead by Figh bird (taking on the name Katori, the android named by Dr. Amano) transform the vehicles into massive mecha to face off against Draias and his men to protect the earth from his evil invasion.

• OVA (13 eps)
• 1998 - 1999

In the distant future, far from the time of the great war and defeat of the alien invaders, the original Getter Robo team is back and continuing the fight against evil. The world is in ashes, and the invaders are back and in full control. Using their powerful transforming Getter Robots, the team's mission is twofold: to vanquish the robotic army of invaders and to discover the mystery behind Shin Dragon, the artifact left behind by Dr. Saotome, the now dead inventor of the Getter Robot; or IS he?

• TV (39 eps)
• 1976 - 1977

Janus is the new world karate champion who is invited by a mysterious man to join his fleet to fight a mysterious alien race that has been on Earth since the era of the dinosaurs and wishes to conquer our planet because their home planet is about to be destroyed. Janus along with the man's daughter Esther pilot two magnetic robots that together form the powerful robot Ga-keen.

• Movie (1 ep)
• 1975

When a UFO arrives from space and attacks the Getter Institute, Getter Robo is launched to stop it; but the might of the UFO and its giant space monsters prove to be too much for the Getter team. Not only is Getter Robo defeated, but Ouishan is killed in action! With Getter Robo out of commission, the world's only hope appears to be Great Mazinger, but the aliens' power might also be too much for even him. Can Dr. Saotome build a new Getter Robo in time to help save Great Mazinger, Japan, and the entire world?