Galactica 1980 is an American science fiction television series and a spin-off from the original Battlestar Galactica television series. It was first broadcast on ABC in the United States from January 27 to May 4, 1980, lasting for 10 episodes.

Battlestar Galactica is an American science fiction television series created by Glen A. Larson that aired on the ABC network from September 17, 1978, to April 29, 1979. It stars an ensemble cast led by Lorne Greene, Richard Hatch, and Dirk Benedict. The series follows a group of humans fleeing the destruction of their homeworlds aboard the titular spacecraft, searching for a new home while being pursued by the Cylons, a fearsome society of robots intent on exterminating all humans.