外星居民第三季，探索未知的奇妙旅程。铁胆火车侠2

　　外星闯入者哈里·范德斯佩格尔和麦卡利斯特将军搁置分歧，共同面对更大的生存威胁——即将到来的灰人入侵。 　　Extraterrestrial interloper Harry Vanderspeigle and General McCallister put aside their differences and work together in the face of a much greater existential threat - the impending invasion of the Greys.