Great Mazinger vs. Getter Robo G: Kuchu Daigekitotsu (1975)

Great Mazinger vs. Getter Robo G: Kuchu Daigekitotsu is an animated film produced by Toei Doga. It is a crossover anime between Great Mazinger and Getter Robo G. It was originally shown in theaters along with Uchu Enban Daisenso. They both premiered in __jbcdate__1975-07-26|July 26, 1975__end__ in Japan.

More at Wikipedia.