When treacherous Xavier travels back in time, Troy and Dillon must race to capture him before the space-age technology falls into the hands of the Nazis.

When the Cylons launch a surprise attack on the fleet, Adama sends Troy and Dillon to take the children to Earth for their own safety.

The Cylon Empire has built a new type of Cylon, a humanoid android; and when one of them survives a crash near New York City, Troy and Dillon must hunt the Cylon down.