Battlestar Galactica is a science fiction television series that originally aired in 1978 and was later reimagined in 2004. The story follows the last remnants of humanity as they flee from the Cylons, a race of robotic beings that have turned against their creators. The survivors travel aboard the Battlestar Galactica, a military spaceship, in search of a new home, the mythical planet Earth. The series explores themes of survival, identity, and morality while featuring a diverse cast of characters, including Commander Adama and President Roslin. It received critical acclaim for its storytelling, character development, and social commentary, becoming a significant part of science fiction television history.