Over the series history , the films have reflected the social and political climate in Japan . In the original film , Godzilla was an allegory for the effects of the hydrogen bomb , and the consequences that such weapons might have on Earth . The radioactive contamination of the Japanese fishing boat '' Lucky Dragon No. 5 '' through the United States ' Castle Bravo thermonuclear device test on Bikini Atoll on March 1 , 1954 , led to much press coverage in Japan preceding the release of the first movie in 1954 . The Heisei and Millennium series have largely continued this concept
Castle Bravo
Castle Bravo
Godzilla (franchise)