The episode has Honda give a big impassioned speech about the horrors of World War II and the attack on Hiroshima, but there were two problems with this; first, Honda wasn't in Hiroshima when the bomb struck, he was in China as a POW of Imperial Military, with his family living in Tokyo at the time. Second; the horrors that he experienced were of his own country, during his service Ishiro Honda was manager of a "Comfort Station" which was little more than a brothel established for soldiers, watched as the Japanese movie industry became an enterprise that would make Joseph Goebbels proud and was left with nightmares for the rest of his life.
It wasn't Ishiro Honda himself who had the idea for Godzilla, but producer Tomoyuki Tanaka.
Sara strikes Tagumo twice with the shrink gun, but misses both the times. But in that case, wherever the shrink gun rays strike, that thing, whether human or inanimate, should have got shrunk. But nothing happens like that, somehow.