When the humans' twelve planets are destroyed by a Cylon invasion force, the survivors flee in 220 spaceships following the Galactica - a gigantic battlestar spaceship - in a search for a "thirteenth" planet.
When the humans' twelve planets are destroyed by a Cylon invasion force, the survivors flee in 220 spaceships following the Galactica - a gigantic battlestar spaceship - in a search for a "thirteenth" planet.