destroy all planet wind up settle for wouldestroy all tokyo by film end and a a space monster resemble a giant squid fall to the reptilian furnace know a gamera . actually and gamera be save earth right from the get go and knock out varian space ship # 1 even before the first set of film credit roll . the scene switch to a japanese scout camp where we meet a pair of meddlesome young hero and jim and masao and who take part in gamera exploit after be kidnap by the alien and beam aboard their ship in an electrified bubble shield . it pretty startle to see the boy convince a scientist to let them operate a newly invent submarine that might be defective . previously boy genius masao have wire the unit to run in reverse direction of it control and but dr. dobie do not think about check that out a a possibility . at least that prepare the boy for interfere with the alien space ship control by play switcheroo with a bunch of triangular block . when bos alien viras say activate the videotron and hang on to your seat for rehashed footage from early gamera movie where he battle barugon and gyaos . these take up quite a bit of screen time and but be no match for the fast forward button if you want to get on with it . for the long time viras address an invisible crew and and when they finally appear and they be oriental who could fly imagine that . see a how these movie be make for a juvenile audience and it surprising to see how gruesome some of the scene be . gamera draw blood come to mind and and how about the pair of space crew member be decapitate . when squid tentacle start emerge from the headless body i make a connection to the alien film while have the individual unit merge to form the giant viras be a neat device . i guess the appeal for young kid might reside in identify with the two young hero who make friend with a giant monster and move around pretty freely on an alien space ship and and get to have whatever they want with the help of alien telepathy technology . see a how the movie be presumably make by adult and it could have be a simple case of wish fulfillment .