资料导读
《Threshold》剧集档案。发行年份为2005年。
剧情记录：【英文原文：暂缺中文简介】
Threshold was a science fiction drama television series that first aired on CBS in September 2005. Produced by Brannon Braga, David S. Goyer and David Heyman, the series focuses on a secret government project investigating the first contact with an extraterrestrial species.
阅读线索：将剧情记录与演职员表、发行日期及类型条目对照，可区分故事内容与作品的制作、发行资料。
