First and foremost is when Godzilla charges at his robotic impostor through a hail of fire. He seems to only have one thought in mind though, get close enough to this bastard to make him sorry. The other scene is when the king of monsters uses a shoulder block to send Titanosaurus sprawling, inventive tactics for a towering monster, but every effective. Watching him battle two foes is just icing on the cake. It is only unfortunate that the plot has a very disjointed feel, but nothing a few rubber monsters can't mitigate.
Whirlpools drag things to the surface.
Japan really is a small country. Interpol takes care of investigating aquatic dinosaur attacks. Laser pointers can be used as stun guns. The only way to save someone whose heart has stopped is to replace their organs with machinery. Evil beings the universe over all sound like Nazis, even if they look very Japanese.