《太空堡垒卡拉狄加：计划》的剧情讲述的是电视剧中没有交代过的一些事情，故事集中在几个未暴露身份的Cylon身上，将以Cylon人自己的视角，来阐述Cylon对人类实施核灭族的动机和观点。

本系列的最后一季，围绕着最后五人的最后一个成员的揭秘，围绕 Ka ra Thrace 回归的神秘面纱，继续寻找可能终将被舰队发现的地球，以及邪教领袖、
被厌恶的、不受欢迎的（但被赦免的） 、被诟病的前总统 Gaius Baltar。

The stranded Colonials struggle to survive under the brutal Cylon rule of New Caprica, but when Galactica returns to save humanity, the fledgling Fleet resumes its search for Earth. The Cylons, after losing control on New Caprica, depart on their own mysterious quest for Earth.
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Following the discovery of Kobol, the arrest of Laura Roslin, and the attempted assassination of William Adama, the Fleet finds itself thrust into more peril, but, with the discovery of Pegasus and New Caprica, also hope. Yet, all prospects of a better future are squashed sooner or later.
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