Chi no gyangu kaizoku gurossamu!
- Episode aired Apr 1, 1973
Mazinger Z is modified to better function underwater in order to defeat the aquatic robot beast currently destroying all seagoing vessels.Mazinger Z is modified to better function underwater in order to defeat the aquatic robot beast currently destroying all seagoing vessels.Mazinger Z is modified to better function underwater in order to defeat the aquatic robot beast currently destroying all seagoing vessels.