I am one of the more open-minded viewers you'll find when it comes to reviews. I love all sorts of films--including international films. However, for the life of me, I no idea why anyone would enjoy the Japanese giant monster films. The only one I ever enjoyed at all was the original "Godzilla"--otherwise I just don't get them. They are like Mexican luchador films, they just don't make a lot of sense to folks outside of the country.
"Daikyojû Gappa" is the only giant monster film made by Nikkatsu Studio. Yet, amazingly, the formula and look is pretty much the same as you'd see in the Gozilla, Rodan and Gamera films. Once again, some guy is dressed up in a monster suit and he stomps around the set smashing tiny model villages, plane, tanks and the like. And, inexplicably, there's a super-annoying kid who somehow knows EVERYTHING about the monsters and has a special bond with them. This time, the annoying know-it-all brat is different only in that the studio poured some silly paint all over his skin to show us he's Polynesian--though he just looks like a Japanese kid who painted himself with brown paint. And finally, you have inane dialog--particularly between the guy and his love interest.
The bottom line is that this film offers nothing new other than a mommy, daddy and baby dinosaur-like creature. If you think this sort of thing is good, you'll probably like it. If you are like me, you'll wonder afterwards why you even bothered, as the film is incredibly dumb and lacks originality.
Review by planktonrules from the Internet Movie Database.