It also can't be ignored that it was released seven years after "Godzilla Raids Again", eight years after the original. So, back then, this wasn't "all of a sudden" at all.
Yes, I know, but in terms of Godzilla's evolution, it's surprising that it took so few films. Even
Godzilla Raids Again pretty much dropped the allegory and philosophical weight for a more by-the-numbers disaster movie, as did
Rodan. But at least GRA portrayed Godzilla and Anguirus as serious threats. (In fact, the one interesting thing about that rather dull film is how it shows life going on in the midst of constant danger, the public just trying to cope as best they can -- which is the sort of mentality the Japanese have had to develop given the volcanoes, earthquakes, tsunamis, etc. they've historically had to deal with.) But then, when Godzilla is brought back after seven years, he's in a comedy, rather jarringly.
Also, this was the first Godzilla movie in color, and it is noticable that all of Honda's Kaiju movie in color were light-hearted adventure movies, since he felt the effects were too visibly just effects in color to actually make these movies serious. Also, Eiji Tsuburaya was one of the biggest proponents for a more family- and children-friendly atmosphere in these movies starting with the 60s.
Even so, most of Honda's color films before and after this were relatively more serious.
Rodan and (I think)
Baran were played as serious monster movies, even if not as deep as
Gojira.
Mothra and
Mothra vs. Godzilla had anti-war themes and critiqued Western cultural imperialism and corporate exploitation.
Frankenstein vs. Baragon (aka
Frankenstein Conquers the World) was probably Honda's second-darkest kaiju film, touching on the plight of Hiroshima survivors and commemorating the victims, and featuring the most human, tragic kaiju in the franchise. Honda did direct some lighter ones later on -- the King Ghidorah duology,
King Kong Escapes, and the bizarre, awful clip-show movie
All Monsters Attack -- but I'd say
King Kong vs. Godzilla was the only outright comedy in the series prior to 1967.
So, while it is still pretty silly in the Japanese version, it is a much better movie than the Americanized version, and is about on the same level as Honda's later entries into the Godzilla series.
But that level is so variable.
Mothra vs. Godzilla is terrific. The Ghidorah films are okay but start to get a bit silly.
Destroy All Monsters is epic and impressive, but it's immediately followed by
All Monsters Attack, the most awful film in the franchise. And finally
Terror of Mechagodzilla tries to get more serious again, but is rather mediocre.
Honda's output in that period gets even more uneven if you go beyond Godzilla.
Dogora, the Space Monster is a weird, offbeat film that's essentially a heist movie with a space monster tacked on here and there.
Frankenstein Conquers the World is impressive and potent, but its sequel
War of the Gargantuas is meh. And
King Kong Escapes is silly. (I haven't managed to track down
Atragon, Latitude Zero, or
Space Amoeba.)
Yes, "Daikaiju Baran" is definitely worth watching in the Japanese version. I've not had the chance to check out the Americanized version, but from what I've heard and read about it, I don't think I actually want to.
Good call. The one point in its favor is that the Japanese-American lead actress they cast in the new footage was gorgeous, but storywise it's unpleasant to watch. The American hero has a Japanese wife, and he infantilizes her due to both her sex and her ethnicity.
In its way,
Varan the Unbelievable is kind of a forerunner of
Power Rangers, taking FX and action footage from a Japanese production and building a very different story around it with an English-speaking cast. Although there is still a moderate amount of footage of the Japanese cast from time to time, untranslated and narrated as in
King of the Monsters! And no
Power Rangers episode has ever been so dull.
"Godzilla, King of the Monsters!" may be far from being the masterpiece that the Japanese original was, but at least it was an enjoyable watch.
I'm not a huge fan of it, but it's intriguing the way it almost works as a parallel narrative, showing the same sequence of events from a different perspective. I think the one place where that really breaks down is in the hospital scene, where Martin convinces Emiko to reveal the secret of the Oxygen Destroyer, a decision she makes on her own in the original. (I also hate the dubbing of Emiko in the Burr version. Momoko Kochi gives such a compelling, dramatic performance, but the woman dubbing her into English might as well be reading the weather report for all the emotion she conveys.)