'Battlestar Galactica' is a reimagined science fiction series that aired from 2004 to 2009. The story follows the last remnants of humanity as they flee from the robotic Cylons, seeking a new home on the mythical planet Earth. The series is renowned for its deep character development, political allegories, and exploration of themes like identity and survival. The cast includes Edward James Olmos, Mary McDonnell, and Katee Sackhoff.