one of my absolute favorites!

Horrible, fascist and poorly acted

It's not great by any means, but it's a pretty good movie that didn't leave me filled with regret for investing time in it.

It is interesting even when nothing much happens, which is for most of its 3-hour running time. Read full review

This truly is the father of modern day Power Rangers, Star Blazers and much,much more. Not only does this have great US actors, but has all the classical features we now see in everyday television and movies. Example: People dressed up in Bat creature costumes, Flying submarines, etc. In contrast to todays movies with would seem to be rather lame, but overall if you take the total context of what is being shown you'll love it. It is not every day that you see great actors interacting with special effects creatures and under the direction of a great Japanesse director. Remember this try as you might you can not see this movie today due to it's being shelved back in Japan. I have tried to obtain it, tried to get various TV stations to play it all to no avail.

I bought this movie only to make my Toho movie collection more complete. A very different Toho film, where we have actors Joseph Cotton and Akira Takarada as the leads, journeying into another world and another dimension below the sea, where everybody seemed to be living in peace. But, the peace is threaten by a mad scientist, played by Cesar Romero. Monsters appear in this film, in the form of gigantic rats and lions.This movie is somewhat dull and not as exciting as earlier Toho sci-fi movies of the 60s. The monster scenes and human characters were dull. To the casual sci-fi viewer, this movie would probably be an OK viewing pleasure. But to the faithful Toho sci-fi fans, this movie does not quite cut it. It does have some action in it, but it is just a far departure from the usual Toho. Grade D+

Nothing against Godzilla, but I think that this movie is Toho's best and very under rated. It's almost impossible to buy in North America. There is major high-tech sub action, multi-weapon gloves and really cool 60's sci-fi effects up the wazoo. The humor and acting are up to the usual Toho standards. If your vintage sci-fi nerd (like me), you'll love it!

Another memory from my childhood! I was about 7 or 8 years old when I saw this film and it really freaked me at this time! Recently, I watched "Ido zero daisakusen" again and it had great nostalgia-values!! Giant rats, bat-like creatures... this flick directed by Godzilla´s spiritual father Ishiro Honda has everything a great Japanese monster movie needs! Plus the great performances of Richard Jaeckel, who made some extraordinary alien-experiences in "The Green Slime" as well as Cesare Romero, unforgettable as sneering bad guy Joker in the 1960s Batman-series! The biggest surprise however was the appearance of Joseph Cotten, an actor that also starred in the Orson Welles-classic "Citizen Kane" or Carol Reed´s "The 3rd Man"... so he´s next to Russ Tamblyn or Raymond Burr a further US-actor who can add a Japanese Sci-fi movie to his filmography. "Atragon II" may be a little bit cheesy compared to nowaday´s standard (Which Asian monster flick from those days is not?!?), but all the multimillion Dollar CGI-F/X can´t deal with the great naive charm this film delivers! A cult classic!!!