在宇宙中未知的地方有一个由12个人类殖民地组成的星际国家，人类为了方便制造了一种拥有独立思想及感觉的机器人-Cylons为人类服务，但人们怎样也想不到这些本应是帮助人类的机器人竟会调转头对抗自已，Cylons起来反抗人类，人类与自已制造的Cylons之战争便开始...
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.
