If you loved Gran Mazinger contra Getter Robot, try Great Mazinger vs. Getter Robo G: The Great Space Encounter
Un puente entre una película que ya has visto y una que casi nadie ha cruzado. Esto es lo que comparten, y lo que la segunda hace que la primera no hace.

Gran Mazinger contra Getter Robot

Great Mazinger vs. Getter Robo G: The Great Space Encounter
Lo que comparten
Both films are directed by Masayuki Akehi, and they both carry the playful mood tag, and they sit in Action / Animation / Science Fiction territory. If that's the register that drew you to Gran Mazinger contra Getter Robot, the second film will land in a comparable space — through a different lens.
What Great Mazinger vs. Getter Robo G: The Great Space Encounter is
You pilot Getter Robo against alien invaders wrecking Japan. But their UFO and monsters overpower you. A teammate dies. Great Mazinger steps up. Yet even that robot struggles against such might. The crossover's brisk pacing is a toyetic template. It leaves one wondering what other combinations could work.