An Italian theatrical film edited from Mazinger Z vs. Devilman, UFO Robot Grendizer vs. Great Mazinger, and Great Mazinger vs. Getter Robo.
Director
Writers
Arturo Dominici
Glauco Onorato
Manlio De Angelis
Gianni Marzocchi
Franco Aloisi
Flaminia Jandolo
Cesare Barbetti
Laura Boccanera
Alessandro Sperli
