A devastating war broke out 40 years ago when androids, the Cylons, rose up against their human creators, the people of the Twelve Colonies of Kobol. After a peace treaty, the Cylons disappeared, but recently returned with a renewed desire to wipe out humanity.
Battlestar Galactica
A group of humans, fleeing the destruction of the Twelve Colonies of Kobol, embark on a treacherous quest to locate their ancient homeworld, Earth, while being relentlessly pursued by the Cylons.