X--未知的元素

本片(科幻)是一部英国制片作品的喜剧片，于1956年上映。对白语言为其它，目前豆瓣评分6.0(仅供参考)。

British Army radiation drills at a remote Scottish base attract a subterranean, radioactive entity of unknown nature that vanishes, leaving two severely radiation-burned soldiers... and a bottomless crack in the earth. Others who meet the thing in the night suffer likewise, and with increasing severity; it seems to be able to absorb radiation from any source, growing bigger and bigger. What is it How do you destroy a thing that feeds on energy