Shin Getter Robo  

Shin Getter, 真ゲッターロボ

The second chronologically is the series known as Shin Getter Robo. This takes place after the original story and during a brief period of peace. Professor Saotome has successfully created his masterpiece, the Shin Getter Robo, while humanity experiences significant advancements in space exploration and research on Getter Rays. However, these achievements attract the attention of an unknown hostile race from beyond time and space.