ɪnðə nˈaɪntiːnhˈʌndɹɪd ˈeɪɾi sˈɪks ɛnsˌaɪkloʊpˈiːdiə ʌv sˈaɪəns fˈɪkʃən mˈuːvɪz baɪ fˈɪl hˈɑːɹdi ænd dˈɛniz ɡˈɪfɚd, ðə fˈɪlm ɪz ɐkjˈuːzd ʌv jˈuːzɪŋ ðə sˈaɪəns fˈɪkʃən klɪʃˈeɪz ʌv flˈaɪɪŋ sˈɔːsɚz ænd ɐtˈɑːmɪk bˈɑːmz.
In the 1986 Encyclopedia of Science Fiction Movies by Phil Hardy and Denis Gifford, the film is accused of using the science fiction clichés of flying saucers and atomic bombs.